Marsdenia) LXXIY. ASCLEPIADACE.E 471 



Corolla j in. diani., tube globose, lobes villous within, corona-lobes acute, much longer 

 than staminal-column. 



y. Style longer than staminal-column, apex bifid. 



6. M. lucida, Edgew. Vern. Dvdhi, Hind. Kumaon. in shady valleys. Oudh Forests. 

 A large evergreen climber, branchlets, petioles, 1. beneath and inflorescence finely 

 pubescent. L. thinly coriaceous, elliptic or ovate, pale beneath, blade 3-5, pet. J-1J in. 

 Fl. purple, scented, sepals densely hirsute, less than half the length of corolla. Corolla 

 J in. long, lobes hairy within, shorter than tube. Follicles 5 in. long, stout, pericarp 

 thickly coriaceous. 7. M. Grifflthii, Hook, f . Khasi hills. Glabrous, except the slightly 

 puberulous cymes, fl. greenish-yellow, sepals ciliate, half the 1. of corolla. 



(b) Corolla much less than \ in. long. 



8. M. tinctoria, R. Br.: Wight Ic. t. 589. Sikkim 2-3,000 ft, Assam. Khasi hills. 

 Prome district (Kurz). Tonkin. China. Malay Penins. and Archip. A tall climber, 

 nearly glabrous. L. membranous, turning dark blue when dry, ovate from a more or 

 less cordate base, blade 4-9, pet. 1-3 in. Fl. small, in a dense elongate axillary thyrsus, 

 sepals one third the length of corolla-tube which is j^ in. long, clothed inside with 

 deflexed hairs, lobes shorter than. tube. Staminal-column minute, corona-lobes subu- 

 late as long as or a little longer than anthers. Follicles slightly pubescent. The 1. 

 yield a kind of Indigo. 9. M. eriocarpa, Hook. f. Silhet. Follicles broad at base, 

 villous with long spreading hairs. 10. M. leiocarpa, King & Pram in Journ. As. Soc. 

 Bengal 69. 170. Kaehin Hills, Upper Burma. A large climber, nearly glabrous, 1. 

 ovate-lanceolate, blade 3-6, pet. j-li in. long, follicles, only one of a pair developed, 

 1-2 in. long, quite glabrous. 



B. Corona-scales very short, like spurs or teeth at the base of anthers. 



11. M. Calesiana, Wight. Subhimalayan tract of Nepal and Sikkim, ascending to 

 2,500 ft. Branchlets. petioles, 1. beneath and cymes pubescent. 1. membranous, cordate, 

 blade :)--(i, pet. 1 -'.', in. long. Cymes large, much branched. Sepals small, obtuse, less 

 than J the length of corolla, hairy on both sides, corolla J— J in. long, hirsute outside, 

 glabrous within, lobes shorter than tube. Staminal-tube cylindrie, pentagouous, 5 

 teeth at the base, prolonged upwards as narrow ridges alternating with the anthers 

 each terminating at the top in a sharp tooth. Follicles stout, woody 6 by 2 in. 

 12. M. thyrsiflora, Hook. f. Assam, Khasi hills, Jessore, Dacca. A powerful climber, 

 fl. small, in cymose clusters arranged in slender racemes on a flexuose rachis 4-5 in. 

 long, the upper clusters in bud. while the fl. in those below are , ipen, corolla ^ in. long, 

 green and yellow, the lobes erect, follicles coriaceous, 2 in. long, base turgid. 



13. M. barbata, Collett & Hemsl. in Journ. Linn. Soc. xxviii. *7. Meiktila. Upper 



Burma. A twining shrub, softly pubescent, 1. rhomboid-ovate, blade 2-8, pet. 4-1 in. 



long. Cymes axillary on short peduncles, 10-12-fld., sepals nearly orbicular, margin 



i [line ciliolate, corolla purple, globose, r in. diain., glabrous outside, hairy within, 



dense tufts of hair between the lobes. Staminal-column pentagonal. 



GongTonema nepalense, Dene. Himalaya 2-1.000 ft., from Kumaon to Sikkim. 

 Assam. Khasi hills. Chittagong. An extensive twiner, 1. glabrous, slightly rough 



Inn, at 1, vvil li numerous minute raised dots, membranous, from ovate to oblong-Ian - 



late, blade 8-7, pet. 1-2 in. long. Peduncles axillary 2-6 in. long, branching into 3 

 long divaricate arms, each bearing 8 many-fl J. pedunculate umbels. Corolla yellow, 



ei mpaniilate deeply 5-lobed, J ill. across. Follicles slender 2-8 in. lone. 



6. CALOTROPIS, Et. Br.; PI. Brit. Ind. Lv. 17. 



Large shrubs, wood very soft or branches herbaceous, 1. large. Fl. large in 

 umbelliform pedunculate cymes, sepals glandular within, corolla broad-cam- 

 panulate, lobes valvate. Corona of 5 compressed fleshy appendages, aduate to 

 and radiating from the stumiunl column, the lower end free and incurved. 

 Anthers with a broad membranous tip, uoflexed on the stigma, pollen-masses 

 10, in pairs, stipitate, stigma large, oat, pentagouous. Follicles broad, short, 

 oblique, seeds flat ovate with a lone silky coma. 



A. L. sessile or nearly so. 



1. C. sigantea. K. Br.; Wight III. t. 166, 165 8. Vein. Ak, ifadar. Hind.: Mu,/„. 

 /.'///'.Mar.-. Yekkada gida, Kan.: Jfcdla JeUedu,Te\.\ Ferrifcu, Mai. Common in the 

 plains of Northern India and in the Peninsula. Singbhum, often gregarious. Lower 



Burma (Kurz). Ceylon. Malay Penins. and Archip. Xoungsl ts, inflorescence and 



underside of I. clothed with >oft white appressed woolly tomentum. 1.. I s in. I 

 oiiovatc or obovate-oblong, gradually narrowed Into i often amplexicaul b 



