RUBIACEÆ. LXX. OPHIORHIZA. 
K corymbose. h. S. Native of the East Indies, at Chep- 
adong. 
Reddish Snake-root. Shrub 1 foot. 
20 O. utspr’puta (Wall. cat. no. 6234.) stem and petioles 
downy : leaves elliptic, tapering to both ends ; peduncles ter- 
minal, downy, corymbose, dichotomously branched ; capsules 
downy. h.S. Native of the East Indies, at Tavoy. 
Hispid Snake-root. Shrub 4 to $ foot. 
21 O. HETEROPHY' LLA (Jack, mal. misc. 2. no. 7. p. 85. Wall. 
in Roxb. fl. ind. 2. p. 547.) stem erect, tomentose; leaves 
roundish-ovate, those opposite each other very unequal in size ; 
cymes small, terminal. h. S. Native of Sumatra, in the interior 
of the island. Leaves with a bluntish acumen, smooth, pale, and 
whitish beneath. Capsules compressed, obcordate. 
Variable-leaved Snake-root. Pl. 4 to 1 foot. 
22 O. acumina‘ra (D. C. prod. 4. p. 416.) stem suffruticose, 
clothed with rufous velvety down above, as well as the petioles ; 
leaves lanceolate, acuminated, glabrous, velvety on the nerves 
beneath; stipulas broad at the base, and awned by a bristle at 
the apex; cymes pedunculate, of 5 velvety branches. h. S. 
Native of the island of Luzon, at Sorzogon. O. subumbellata, 
Sk in herb, Henke. Perhaps the same as O. subumbellata, 
orst, 
Acuminated-leaved Snake-root. Shrub. 
23 O. Ricuarpia’na (Gaud. in Freye. voy. p. 473. t. 97.) 
plant suffruticose, quite glabrous ; leaves oblong, much acumi- 
hated at both ends, petiolate, with smooth margins; corymbs 
terminal, on short peduncles, trifid or quadrifid ; tube of corolla 
ear calycine teeth very short. h. S. Native of the Mo- 
uceas. 
Richard's Snake-root. Shrub 4 to 1 foot. 
24 O. perpusi'tLa (Blum. herb. ex D. C. prod. 4. p. 417.) 
stem erect, dwarf, simple ; leaves elliptic, glabrous; flower ter- 
minal, solitary, nutant, on a short pedicel ; corolla funnel-shaped, 
glabrous ; calycine teeth obtuse. 4%. S. Native of Java. Herb 
hardly an inch long. Fruit unknown. 
Smallest Snake-root. Pl. 1 inch. 
25 O. Harrison (Heyne, ex Wall. cat. no. 6236.) stem, 
petioles, peduncles, and nerves of leaves on the under. side 
Owny ; leaves ovate or roundish-ovate, acutish, glabrous and 
green above, and pale beneath ; peduncles terminal, corymbose, 
and dichotomously branched at the apex. %. S. Native of 
the East Indies. Root creeping much. 
Harrison’s Snake-root. Pl. 4 to 1 foot. 
26 O.? cemrna‘ra (Wall. cat. no. 6237.) stem, petioles, pe- 
duncles, and nerves on the under surface of the leaves, downy ; 
eaves large, obovate-oblong, tapering much at the base, and 
running down the petioles, and acute at the apex, glabrous and 
green above, but pale or reddish beneath ; peduncles long, ter- 
minal, racemose. h.S. Native of the East Indies, in Silhet 
and Gualpara. Dentélla? geminata, Herb. Ham. Root creep- 
ing. Stem dwarf. Racemes numerous, crowded, secund, alter- 
= short, recurved, on each peduncle. Perhaps a proper 
us. 
Tmin Snake-root. P]. 4 to 1 foot. 
+ A doubtful species. 
27 O.? SUBUMBELLA`TA (Forst. prod. no. 66.) stem shrubby ; 
eaves lanceolate, acute ; umbels axillary, trifid. h.S. Native 
of the island of Otahiti. 
Subumbellate-flowered Snake-root. Shrub. 
l Cult. The species of Snake-root will grow in a mixture of 
oam, sand, and peat; and they may either be increased by cut- 
tings under a hand-glass in heat, or by seeds. 
LXXI. ARGOSTE’MMA (from apyoc, argos, white, and 
LXXI. ÅRGOSTEMMA. 523 
oreupa, stemma, a crown; in reference to the terminal racemes 
or umbels of snow white flowers). Wall. in Roxb. fl. ind. 2. p. 
324, Blum. mss. ex D. C. prod. 4. p. 417.—Pomangium, Reinw. 
ex Blum. 
Lin. syst. Tri-Pentándria, Monogynia. Calyx with a short 
obconical tube, and a 38-4-5-cleft limb: lobes acute, valvate in 
zstivation. Corolla rotate, spreading, with a 3-5, rarely with a 
3-4-parted limb. Stamens alternating with the lobes of the 
corolla. Anthers large, exserted, cohering at the apex. Style 
perforating a fleshy disk ; stigma globose. Capsule crowned by 
the calyx and an opercular disk, 2-celled, dehiscing in a ra- 
diant manner at the apex ; receptacles convex, adnate to the dis- 
sepiment. Seeds numerous, angular.—Herbs, for the most part 
hairy from short down. Leaves quite entire, opposite, one 
usually smaller than the other, rarely verticillate. Stipulas foli- 
aceous, ovate, solitary on both sides. Peduncles terminal, and 
almost axillary, bearing fascicled umbels of flowers at the apex, 
very rarely only one flower. Flowers white. The species of 
this genus have the habit of those of Ophiorhiza. 
1 A. sarMento'suM (Wall. in Roxb. fl. ind. 2. p. 324.) plant 
rather villous, creeping at the base, and stoloniferous, the upper 
part of the stem erect; leaves ovate, obtuse, almost sessile, 
downy above, and villous on the nerves beneath, in two approxi- 
mate pairs ; flowers 3 or 4-parted, disposed in a terminal umbel 
or corymb-formed raceme. h.S. Native of the East Indies, 
on rocks on the hills at Schukragiri, near Rujmahul; and of 
Nipaul, on the mountains to the northward of the valley on the 
route to Gosaingsthan. Stem and leaves rather pubescent. 
Flowers snow white. Corolla 5 times longer than the calyx. 
Leaves at end of stem. 
Sarmentose Argostemma. PI. 4 foot. 
2 A. verticitLa‘tum (Wall. l. c. p. 525.) plant erect, downy, 
and tufted ; leaves 4 ina whorl, linear-lanceolate, rather falcate ; 
peduncles 2-3, rarely solitary, bearing a few umbellate flowers 
each; flowers 4-5-parted. 2.8. Native of Nipaul, on rocks 
at Moreko in the valley. Root fleshy, and almost tuberous. 
Stems furnished with a pair or two of lanceolate connate scales. 
Leaves ciliated. Flowers snow white, rather smaller than those 
of the preceding species. The mouth of the corolla is marked 
with 10 minute tubercles, alternately receiving the basis of the 
filaments. Ovarium smooth. Wall. pl. rar. asiat. 2. p. 80. t. 185. 
Whorled-leaved Argostemma. PI. 4 inches. 
3 A. rostra‘tum (Wall. 1. c. p. 326.) plant erect, smooth ; 
leaves in 2-4 approximate pairs, narrow-lanceolate, acuminated, 
petiolate ; stipulas ovate, recurved, permanent ; umbels pedun- 
culate, terminal, many flowered; segments of corolla and tube of 
the anthers acuminated. %.S. Native of the East Indies, on 
the Pundua mountains near Silhet. Stem furnished with several 
remote pairs of lanceolate-ciliated stipulas : the upper ones be- 
coming enlarged and foliaceous. Pedicels an inch long, clavate, 
a little ventricose above the middle. Corollas white, nearly an 
inch in diameter. Habit of Trientalis Europe‘a. 
Beaked-anthered Argostemma. PI. 4 to 4 foot. 
4 A. pr’ctum (Wall. l. c. p. 327.) plant glabrous ; stem short ; 
leaves smooth, ovate, subcordate, painted with reticulated white 
nerves, on very short petioles; umbels terminal, pedunculate, 
many flowered ; flowers pentandrous. Y%.S. Native of Pulo- 
Penang, growing on rocks near the water-fall. Leaves only 2, 
or in 2 remote pairs, slightly ciliated. Peduncle simple, or 
having 2 opposite branches, each bearing a round umbel of many 
small flowers. Unripe berry as large as a coriander seed, 
smooth. 
Painted-leaved Argostemma. PI, 1 to 2 inches. 
5 A. porract'neum (Blum. mss. ex D. C. prod. 4. p. 417.) 
stem creeping at the base, but erect above, and scabrous at the 
apex; leaves elliptic, acute at both ends, petiolate, with a few 
3x2 
