830. GYMNEMA ELrGANS. (W. & A. Contributions) 
twining, branches slender glabrous, the older ones warty : 
leaves cordate—ovate or oval, acuminated, undulated on 
the margin : umbels short peduncled, peduncles and pedi- 
cles afterwards elongating: flowers small,(white) throat of 
the corolla naked, tube furnished within with hairy lines: 
stigma obtuse longer than the stamens: follicles often, 
by abortion, solitary, acuminated : seed margined. ۶ 
Contributions, pg. 46. 
The exact station whence the specimens figured were 
obtained is unknown to me the drawing having been made 
when I was in England which will in part account for the 
absence of fruit. The follicles are slender, about 3 inches 
long and only three or four lines in thickuess. 
831. CRYPTOLEPIS GRANDIFLORA, (R. W.) leaves 
from oval to obovate spathulate : cymes axillary diffuse, 
longer than the leaves : corolla funnel-shaped, throat fur- 
nished with 5 inflexed capitate processes: anthers acumi- 
nate ; 5 hypogynous emarginate scales alternate with the 
stamens; follicles divaricated. | : 
Balaghaut mountains near ۰ : A fine species 
abundantly distinct from C. Buchananni. 
While examining the specimen figured I found some 
grains of pollen produeing their tubes, these T have en- 
deavoured to represent. The large tube on the right 
hand side is one of them more highly maguified to show 
little opaque bodies passing along. 
832. CRYPTOSTEGIA GRANDIFLORA. (R. Br. Nerium 
grandiflorum. Roxb.) : 
This is a large twining shrub now common in the hedge 
rows about Madras and not unfrequently met with as an 
ornamental shrub in gardens. It abounds with milky 
juice from which, when exposed for a short time to the 
sun, a quantity of pure caoutchouc separates: flowers 
redish white especially towards the bottom of the tube. 
33. ÅNESETA CALYSINA. (Choisy. Convolvulus ealy- 
sinus. Roxb.) stem pilose twining : leaves oblong cordate 
acuminated very acute, glabrous, petiolate : peduncles 
hardly the length of the petioles 1-3 flowered : sepals with 
villous edges, exterior ones sagittately cordate : corolla 
tubular. G. Don. gard. dict. 4, pg. 295. i 
Roxburgh assigns the interior parts of India as the 
station of this species. The specimen here figured is ef 
peninsular origin the exact station I do not at present 
recollect but think Negapatam. 
834. BATATAS PsNTAPBYLLA. (Ch. Convolvulus penta- 
phyllus Lin. C. hirsutus ‚Roxb.) hairy: leaves quinate ; 
leaflets petiolate, elleptic lanceolate or oblong, وہ‎ 
acuminated: peduncles longer than the leaves, loose, 
dichotomous : corolla white or cream coloured. Don. 
ict. . 261. å Ñ 
ge a the same station as above “ ER 
parts of Hindostan” for this species I have e : 
repeatedly near the Coast. Die specimen here figure 
grew at Negapatam on the sea coast. 
835. Hewrrtia BICOLOR, (W. & A. Shuteria Chorsy, 
not of W. ፳ A. Prod. Convolvulus bicolor, Roxb.) ፻ 
This, the only species of the genus is common enoug 
near the Coast. It is distinguished generally by its 
celled 4 seeded capsules and the flattened ovate spread- 
iug lobes of the stigma. Roxburgh however says, > 
sules hairy four celled ; seeds black, one in each cell” whic 
I think must be a mistake on his part. My ን سو‎ 
man has clearly represented the capsule, 1 celled an 
four seeded which corresponds with Choisy's character. 
836. Iromaa resticripis. (Lin) leaves palmate 5 
rarely 7 lobed, lobes ovate entire, clothed with silky hairs : 
peduncles many flowered equal in length to the leaves : 
flowers aggregate; bracteas six or eight surrounding the 
head of flowers and longer than it. Don. gard. dict. 4, 
ps. 280. 
: A most common plant in sandy soils extending all over 
ndia. 
837. Tpomaa PILOSA, (Choisy.) hairy : leaves broadly 
cordate entire or slightly 3 lobed, clothed with white wool 
beneath : peduncles exceeding the petioles, ey mosely many 
flowered ; sepals linear hairy. Don. gard. dict. 1. c. 
A subalpine plant found twining over bushes in jungles 
near the bottom of hills. ‘The leaves are white and pow- 
dery beneath, the flowers a beautiful rose pink colour aud 
the whole plant covered with long soft hairs. 
838. IPoMGEA SEPIARIA. (Konig. Roxb.) stem alter- 
nately glabrous and villous from loose hairs : leaves cor- 
date oblong: peduncles many flowered: sepals oblong 
ovate acute or obtuse: corolla showy tubularly funnel 
shaped. Don. gard dict. 4, pg. 273. 
Very common twining in hedges, a showy plant deserv- 
ing of a place in the flower garden. ‘The peduncles en- 
large toward the apex and sometimes become so succu- 
lent as to resemble fruit. 
839，ARGYREIA cymosa (Choisy. Rivea R. W. Let- 
somia cymosa Roxb.) clothed with pruinose down : leaves 
roundish cordate or reniform-cordate obtuse, terminated 
by a short mucro, glabrous on both sides, or clothed with 
pruinose down : peduncles equal or occasionally exceeding 
the leaves; leafy at top aud cymosely many flowered ; 
bracteas ovate roundish, obtuse, plicately recurved : outer 
sepals like the bracteas, inner ones ovate linear: corolla 
showy. Don. gard. dict. 4, pg. 257. 
A plant of not uncommon occurrence twining among 
hedges, which during the flowering season it greatly en- 
livens with its numerous large pale pink flower:. 
When naming this plate I had not specimens at hand 
to dissect the ovary and therefore adopted Choisv’s name 
in opposition to the evidence furnished by the drawing 
which shows a 4 celled ovary, not a 2 celled one, which 
constitutes the essential character of the genus. I have 
since ascertained that the draftsman is right and that it is 
in fact a species of Rivea, the character of which is to have 
a 4 celled ovary with 2 single seed in each cell. With this 
character taken from structure M. Choisy, has, in the case 
of Argyreia, unhappily, combined one derived from the 
form of the corolla of easier observation, and on which he 
seems generally to have relied, though unfortunately of 
no value and such asa very slight degree of reflection 
mast bave satisfied him ought not to be associated 
with those derived from the strueture of the ovary, until 
confirmed by most careful examination ; there being no ne- 
cessary connection between the shape of the corolla and 
number of cells of the ovary. As the matter now stands 
it seems not improbable that Loureiro's old genus will be 
swept away to give place to one of yesterday, merely 
through an error of the more recent expositor. For my- 
self I have not yet met with a single instance of a con- 
volvulaceous plant with baccate fruit and a2 celled ovary: 
and now, I trust not unreasonably, feel sceptical of the 
existence of such a union, though at the same time I see 
no reason why it should not exist: but being of compara- 
tively rare occurrence I would urge the propriety of re- 
verting to Roxburgh’s idea of making the baccate fruit 
the essential character of the genus reuniting Rivea and 
Argyreia, of course adopting the older name, and dividing 
the genus into sections and subsections according to its 
2 or 4 celled ovary and form of the corolla. As it now 
stands the genus Argyreia, though so truly Indian, has 
scarcely a true Indian species, if in fact, as now defined, 
one genuine species can be found—that is, a Convolvulacea 
combining the three essential requisites of 一 baccate fruit, 
a 2 celled ovary, and cawpanulate corolla. 
(8) 
