William Jackson Hooker.

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Echinacea angustifolia ; foliis omnibus lineari-lanceolatis bispidis integerrimis,
radicalibus longe petiolatis S-nerviis, caulinis sessilibus.

Echinacea angustifolia. De Cand, Prodr. v. 5. p, 354. Asa Grcnf, Man, of BoL
lUusL /?. 214. Chapman, Fl. <f the Southern United States, p. 226.



The genus, like jRudSecha, with which it was associated by
Linnaeus and the older botanists (having been separated by
Mcench), is peculiar to the Southern United States, scarcely ad-
vancing so far south as Mexico proper. The present species has
perhaps its northern limit in Iowa, IlUnois, and Wisconsin. Ber-
landier first detected it near Austin, in Texas, and his specimens
are described by De CandoUe. Our living plant was sent to us
by Mr. Leeds, of Manchester, having been reared by Mr. Ross,
of Smedley, near that town, from seeds collected by Mr. Bourne
in Iowa.

The numerous long purple rays (and they vary from fourteen
to twenty, the whole flower measuring nearly six inches across)
recommends the plant for cultivation in tufts, in, mixed flower-
borders. The height is two to three feet ; the stem simple, par-
tially clothed with long, soft, spreading hairs ; fiovoers solitary,
the stalk is swollen just beneath the capitulum. Involucre with
spreading scales. Corollas of the ray quite sterile : ligule very

NOTEMBEB IST, 1861.



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long, purple-rose. Florets of the disk perfect, concealed by the
numerous pungent scales of the receptacle (whence the generic
name, exjivosy a hedgehog)^ which are rigid, green, lanceolate,
tinged with red and terminated by a black rigid spine. Corolla
tubular, five-toothed ; stamens included. Style exserted. Ovary
oblong, crowned with a toothed cup-shaped margin. It flowered
with us in the open air in July.



Fig. 1. Floret of the ray, with one of its scales. 2. Floret of the disk, with
its soale. 3. Scale of the receptacle : — all more or less magnified.



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Tab. 5282.
PHYLLAGATHIS rotundifolia.

Bound-leaved PhyUagathis.



Nat. Ord. Melastomacb^. — Octandria Monogynia.

Qen, Char, Flos 4-mera8. Calyeis obloogo-campanulati limbm membrana-
ceus, obtuse 4-lobu8 ; lobis dorso denticolum externum, cuspidatum, apice 3-4-
setosum, inferne in nervum abeuntem, gerentibus. Petala ovato-eliiptiea aut
obovata, apiculata. Stamina 8, sequalia aut subsequalia ; antherU nonnihil re-
curvis, a basi ad apicem gradatim attenuatis ideoque subulatis, poro minutissimo
apertis ; eonnectivo infra loculos nullo, postice ad basin vix conspicue incrassato.
Ovarium toto ambitu adheerens, apice membrana libera styli basim cingente coro-
natum, 4-loculare. Placenta lamelloso-cuneiformes, margine libero incrassatse,
multiovulatee. Stylus filiformis, gracilis, stigmate punctiformi. Fructua (ex auc-
toribus) baccatus, quadrilocularis. Semina ignota. — ^Frutex subherbaceua, Suma-
iranus, macrophyllus ; foliis hnge petiolatis, oppoiilii, subrolundis, apiculatis, ban
subcordatis, margine tenuiter et obsolete sinuaUhdenticukUis aut subintegerrimis, 7-9-
nervOs, vix non glabris; petiolis sparsim pilosis; floribus in capUula axiUaria
pedunculata dense congestis ; bracteis coloratis, late cordatis, involucratis, pur-
purascentibus, Naudin.



Phtllaoathis rotundifolia ; foliis subrotundis glabris discoloribus subtus fer-
rugineo-lepidotis, floribus in capitulis involucratis congestis.

Phtllaoathis rotundifolia. Blume, in Nat. Wet, v. 6. p. 2491 ; et in Begensb.
Bot. ZeiL 1831, v. 2. p, 6071. Mus. Bot. Lugd. Bat. p. 12. ' Korthals in
Verh.NaL Oesch, Bot. p. 252. t. 57.

Mblastoma rotundifolium. Jack in Linn. Trans, v. 14./?. 11. DeCand. Prodr
Sgst. Veget. v. Z. p. 149. t. 45.



This is another of the many plants which we owe to the Malay
Islands, whose charms depend more on the rich colour of the
foliage than on the beauty of the flowers, though, in the present
instance, we have there colour also ; but it is outdone by the rich
tints of the leaves, both above and below, and the plaited cha-
racter of the latter, with their strong shadows and reflected
lights. It was first detected in moist woods of the Musi country,
in the interior of Sumatra, and described by our lamented country,
man Dr. Jack, in his very valuable memoir on ' The Malayan
Species of Melastoma,' published in the Linnaean Society's Trans-
actions, I.e. The Dutch appear, at a later period, to have in-

NOVEMBER IST, 1861.



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troduced living plants to our gardens, where they are much
prized. They flower with us in July. If any figure or recent
account of it has appeared in the Continental journals, I have
failed to find such ; but it must be confessed that either the
Continental or our own booksellers keep us sadly behind in the
matter of periodical .scientific publications.

Descr. Stem short, thick, perennial, but rather herbaceous
than woody, rooting at intervals, four-sided, dark-purple. Leaves
approximate, orbicular-ovate, six inches and more long,' by four
and a half broad, suddenly acuminulate, the margin denticulate,
traversed longitudinally by ten strong ribs, prominent beneath ;
plaited, above deep, rich, glossy metiJlic-green, partially reddish,
beneath bright-red and furfuraceous : the longitudind ribs are
united by curved veins ; petioles rather long, thick, dark-purple.
Peduncle short, thick, terminal, and axillary, bearing a capiiulum
of numerous Jlowers, included in a large involucre of five or six
subrotundo-ovate, dark-purple scales. Fhwers sometimes tri-
merous, sometimes tetramerous; the rest as in the generic
character.



Fig. 1. Flower. 2. Flower, with the petals remofed. 3. Stamens: — ali
more or leas magnified.



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Tab. 5283.
RHODANTHE Manglesii, var. sanguinea.
Mangles' Bhodanthe^ blood-coloured var.



Nat. Ord. Compositjb. — Syxgenesia -ffiauALis.

Oen. Char. Oapitulum multiflorum, homogamum. Involucrum turbinatum, im-
bricatum ; sguamis membranaceis, ovatis, acutis, externis argenteis bracteifonnibas
secus pedicellum, mediis appressis, intimis patentibus stellatis roseis. Recepta-
culum nudum. Corolla quinquefide. Achmia erostria, lanata. Pappus uni-
serialis, plumosus, setis distinctis. — HerbaiVb90-J7bZ/afuif»ca, annua, erecta^ ramo$a,
fflabra. Folia amplexicaulia, oblonpa, obiusa, Integra, Capitula termiualia, soli'
iaria, ex involucro pulchre roseo elegantimma. Be Cand,



Ehobanthb Manglesii.

Rhodanthe Manglesii. Lindl.BoLEeg,i.nO^. Book. BoL Mag, t. SiS^. Don,
Brit, Qard. ser. 2. t. 295. Be Cand. Prodr. v. 6./?. 159. Lekm, Unum.
PL Preiss, v. 1. p. 447. Paxton, Mag. of BoL v. 3. p. 173. Fl. des Serres,
V. 6. p. 622.

Var. sanguinea ; floribus eximie purpureo-sanguineis, disco atro^sanguineo. (Tab.
NosTR. 5283.)

Ehodanthe sanguinea. Hort.



Beautiful assuredly as this plant is, and different as is the
colour of the flowers, especially of the disk, from the R. Man-
glem (which has a rose-coloured ray and a yellow disk), and al-
though it is cultivated as a distinct species under the name of
Ehodanthe sanguinea in gardens, I can only offer it as a variety
of that plant. That however published in 1836 is a very unsa-
tisfactory figure, and destitute of analysis, which we are happy
to have the opportunity of giving here. The original Rhodanthe
Manglesii is made great use of in our gardens, in masses, for the
ornamenting of our flowerbeds ; and the present variety, whether
mixed with that or kept separate, will prove a very valuable in-
troduction. The genus belongs to a group of the Composita^
which, like the Xeranthemums are called everlastings^ for the
dried specimens retain the beauty of colour in the flowers as in
the live state ; and the group in Australia is remarkable for the
variation of colour in the same type. Only one species is yet
known to us, native of Western Australia.

DECEMBER IST, 1861.



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Descr. Boot annual. Stem erect, one to one and a half foot
high, moderately branched, terete. Leaves glaucous-green, ob*
long, subacuminate, but obtuse at the apex, entire, upper ones
cordato-acuminate, all amplexicaul at the base, penniveined, the
surface dotted, from a number of little hollow pits, best seen
imder the microscope ; veins few, simple, almost parallel with
the slender costa. Jnjlorescence cory mboso-paniculate ; peduncles
and pedicels slender, the latter especially, bracteated with smaU
scales, which become narrower under the capitulum, where they
are scariose, oblong, and form the turbiuate involucre. Corollas
in this variety all rich purple blood-colour, deeper in the disk.



Pig. 1. Portion of a leaf, sho?ring the pits which give the dotted appearance
to the surface. 2. Ploret of the ray. 3. Ploret of the disk. 4. Seta of the
pappus : — all more or le$8 magn^kd.



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Tab. 5284.

BEGONIA KUNTHIANA.

Professor KuntKs Beffonia.



Nat. Ord. BEGONiACEiE. — Moncecia Polyandria.
Oen. Char. (Fide supra, Tab. 4172.)



Begonia Kunlkiana; fruticosa, erecta, glabra, caule succulento, foliis breviter
petiolatis inaequilatero-lanceolatis obloogis acuminatis grosse dentatis, basi
dimidiato-rotundatis laevissime cordatis, supra saturate viridibus nitidis,
subtus purpurascentibus, peduaculis axillaribus 2 - 3-flori8, floribus magnis
candid is, petalis florum masculorum exterioribus subrotundato-ovatis acuti-
usculis, interioribus multo minoribus obovato-spathulatis, apice rotundatis,
petalis florum foemineorum 5 minoribus insqualibus obovatis, ovarii trialati
albidi alis rotundatis una paulo latiore. JTa^,

Begonia Kunthiana. Walp. Annal. BoL SysL v, 2. p, 650.

Begonia lucida. Kth, et Bouch. Ind. 8m. in Hort. Berol. 1858; ChU. p. 16.
». 80 (noi of Otto and Dietr.).

Gaerdtia Kuntbiana. Kl. in Walp. Annal. Bot. S^st. v. 4. p. 892.



The Begonias are eminently beautifu], both in flower and in
the leaf ; the latter, especially, exhibit a richness and variety of
colouring unequalled in almost any other genus of plants ; and
many new varieties of foliage are obtained by skilful management,
which are now reckoned among the most charming of plants for
stove cultivation, or, in summer, for a warm greenhouse. The
genus is most extensive, and comparatively little known, except
from garden specimens, and these chiefly natives of South Ame-
rica; for though natives of tropical and subtropical countries
generally, cultivators have found it more easy to procure living
plants from the Western world than from any other parts of the
globe. The Berlin Garden has been long celebrated for its ex-
tensive collections; and this circumstance, perhaps, led to the
late Dr. Klotzsch pubUshing numerous figures, and a revision
and new arrangement of all the species known to him, in his
valuable * Begoniaceen-Gattunffen und Arten,* with a great num-
ber of excellent illustrative plates. Of his forty new genera,
many of them, doubtless, insufficiently characterized, M. Al-

DSCBMBXB IST, 1861.



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phonse De CandoUe, in his ' Memoire sur la Famille des Bego-
niacees' (published in the Annales des Sci. Nat., 4th ser. vol. xi.),
has restored a great number to the original Begonia, The pre-
sent species is certainly not among the least ornamental, and is
a native of Venezuela and Caracas. We owe the possession of
it to the Royal Garden of Berlin. Few species exceed this in
the richness of the colour on the under side of the leaf, contrast-
ing well with the dark glossy green of the upper, and in the
size of the flower.



Fig. 1. Immature capsule. 2. Transverse section of the same: — magnified.



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Online LibraryWilliam Jackson HookerCurtis's botanical magazine → online text (page 10 of 10)