18 xcv. ASCLEPIADEX. (J. D. Hooker.) [ Calotropis. 
Throughout Ixp1a, ascending to 3000 ft. in the Himalaya from the Punjab to 
Assam, Ceylon and Singapore.—DisrRis. Malay Islands, S. China. 
Trunk stout, bark pale, shoots woolly. Leaves 4-8 by 1-3 in., cuneate-obovate, 
base cordate, axils bearded, smooth above, cottony beneath, Umbels peduncled, 
simple or compound ; bracts oblong. Corolla 3-2 in. diam., pale purple; segments 
ovate-lanceolate, revolute and twisted in age. — Follicles recurved, 3-4 in. Seeds Xin., 
broadly ovate. 
2. C. procera, Br. in Ait. Hort. Kew. Ed. 2, ii. 78; shrubby, leaves 
sessile young and umbels cottony old glabrous, corolla-lobes erect, coronal- 
scales acute glabrous or pubescent. Hamilt. in Trans. Linn. Soc. xiv. 246; 
Wight Contrib. 53, and Ic. t. 1278; Dalz. $ Gibs. Bomb. Fl.149 ; Brand. For. 
Fl. 331; Boiss. Fl. Orient. iv. 57; Bentl. $ Trim. Med. Pl. t. 176; Dene. n 
DC. Prodr. viii. 585. C. Hamiltoni, Wall. Cat. 8215; Wight l.c. C. Wallichii, 
Wight l.c. 53; Wall. Cat. 8216. C. heterophylla, Wall. Cat. 8217 ; Wight l.c. 
54. Asclepias procera, Bot, Reg. t. 1792. 
WESTERN and CENTRAL Inpa, ascending to 3500 ft. from Scind and the Punjab to 
Behar and Bombay.—Distrip. Ava, Persia, trop. Africa. . 
A shrub 6-15 ft. Leaves as in A. gigantea, but more oblong and acute, sometimes 
8-9 Ly 4 in. Umbels long-peduncled, cottony. Follicles 4-5 in., recurved. Seeds 
1 in., ovoid, 
3. C. Acia, Hamilt. in Trans. Linn. Soc. xiv. 247; herbaceous, leaves 
petioled obovate oblanceolate or oblong glabrous, corolla-lobes erect, ccronal- 
scales 2-lobed. O. herbacea, Wight Contrib. 54, and Ic. t. 492; Wall, Cat. 
8218; Dene. in DC. Prodr. viii, 536. Asclepias herbacea, Roxb. Hort. Beng. 
21, and 7. Ind. ii. 50. 
N. Benoat and Sixkm Terar; from Tirhoot to Mymensing, ascending the 
Himalaya to 3000 ft. 
Stem erect. Leaves 6-8 by 3-4 in., very thick, narrowed into the petiole; nerves 
few, stout ; petiole 1-1 in.— Flowers as in C. procera. 
19.° ASCLEPIAS, Linn. 
Perennial erect herbs. Leaves opposite, alternate or whorled. Cymes um- 
belliform ; flowers medium-sized or small. Sepals glandular within. Corolla 
rotate, lobes often reflexed, naked, valvate. Coronai-scales 5, erect, adnate to 
the column, spoon-shaped. Anther-tips membranous, inflexed ; pollen-masses 
one in each cell, pendulous, flattened, waxy. Stigma depressed, 5-angled. 
Follicles turgid, beaked, smooth. Seeds comose.— DISTRIB. Species 60; all. 
American, except 2 African and the following cosmopolitan one. | 
A. curassavica, Linn.; Dene. in DC. Prodr. vii. 566; perennial, 
leaves opposite lanceolate or oblong-lanceolate acute narrowed into a short 
petiole glabrous, umbels many-fld. shortly peduncled, corolla orange-red, lobes 
reflexed, column stipitate. Road. Hort. Beng. 20: Dalz. & Gi b. Fl. 
Suppl. B4; Gibe. Cat. Bomb. PL 190; Bot. Raj tal) O9 Bom 
Bengal and various parts of India, a weed introduced from the West Indies 
throughout the tropies. 
20. PENTA BOTHRA, Hook. f. Gen. Nov, 
A dwarf erect glabrous herb. Leaves opposite, linear. Flowers in axillary 
umbelliform short-peduncled cymes. Sepals oblong, minutely glandular within. 
Corolla campanulate, deeply 5-lobed ; lobes oblong-ovate, overlapping to the 
