ASCLEPIADE.. 



107 



stellate, corrugated, furnished with a large, elevated orb in front 

 of the segments. 



10 OBE'SIA. Corona double; outer one undivided or 5- 

 lobed, short ; segments of the inner corona short, spreading. 

 Corolla without any orb. 



11 DCVA'LIA. Corona double : segments of the outer one 

 bi6d : of the inner one unequally bifid, galiately booked. Co- 

 rolla having the segments bent more or less to one side. 



12 CARUXCCLA'RIA. Corona double: outer one 5 -parted ; 

 segments short, spreading, emargioate ; those of the inner co- 

 rona unequally bifid, globose and granulately carunculate at top, 

 and attenuated at the base ; the granules of various forms. 



13 PECTINA'RIA. Corona double ; both ciliately multifid, not 

 divided into leaflets. 



14 CARAIXC'MA. Corona simple, 10-parted ; the 5 segments 

 opposite the stamens are obtuse and undivided : the outer 5 are 

 bipartite and acute (f. 15. c.). 



15 BorcEROsiA. Corona simple, 15-lobed ; lobes disposed 

 in a double series, all simple : the 5 inner ones laying upon the 

 anthers. Corolla subcampanulate. 



16 HUTCHJXIA. Corona simple, 20-lobed : the 5 inner lobes 

 lying upon the anthers. Corolla subcampanulate. 



17 ERIOPE'TALUM. Corona simple, 15-lobed: the 5 inner 

 lobes lying upon the anthers. Corolla subcampanulate. Seg- 

 ments linear. 



IS MICROSTE'MMA. Corona simple, 5-lobed; lobes altern- 

 ating with the anthers, sometimes there is a short tooth be- 

 tween each lobe. Pollen masses fixed by the middle. 



19 LEPTADE'XIA. Corona wanting. Corolla subrotate: hav- 

 ing the throat crowned by 5 scales. Pollen masses fixed by 

 the base, pellucid at top. 



20 OTHANTHE'RA. Corona wanting. Corolla urceolate, with 

 a naked throat. Pollen masses as in Leptadinia. 



21 BRACHYSTE'LMA. Corona simple, 5-cleft, naked on the 

 back. Pollen masses erect, fixed by the base. Corolla campa- 

 nulate(f. 16. i.). 



22 FISCHE'RIA. Corona simple, truncate, girded by a ring 

 at the base. Pollen masses fixed by the middle of the side. 

 Corolla rotate, with curled segments. 



SUBTRIBE II. HOYA CEX. Pollen masses erect or connitent, 

 lying upon I he stigma, fxcd by the bate or by the middle of the 

 tide. Anthers terminated by a membrane. 



1 . Stamineous tube appendiculale outside. 



23 HOYA. Corona simple, 5-leaved ; leaflets depressed, 

 fleshy, drawn out into a tooth inside, which lies upon the anthers. 

 Corolla rotate. 



24 PTEROSTE'LMA. Corona simple, 5-leaved; leaflets mem- 

 branous, with reflexed sides, each drawn out into a subulate 

 tooth inside. Corolla rotate. 



25 PHYSOSTE'I.MA. Corona simple, 5-leaved ; leaflets in- 

 flated ; filaments 10, or 5 bipartite to the base, each alter- 

 nate filament or leg bearing an anther. Corolla rotate. 



26 TTLOPHORA. Corona simple, 5-leaved ; leaflets depressed, 



fleshy, toothless inside, pressed to the gynostegium. Pollen 

 masses transverse or ascending. Corolla rotate. 



27 BELOSTE'MMA. Corona simple, 5-leaved ; leaflets linear- 

 oblong, fleshy, fixed vertically to the middle of the gvnos- 

 tegium, spreading. Pollen masses sub-ascending. Corolla 

 rotate. 



28 MARSDE'NIA. Corona simple, 5-leaved ; leaflets com- 

 pressed, undivided at the apex, toothless inside. Corolla rotate. 



29 COSMOSTIGMA. Corona simple, 5-leaved ; leaflets com- 

 pressed, bifid, toothless inside. Anthers ventricose. Stigma 

 crowned by a narrow, flexuous, repand margin. Corolla rotate. 



30 HETEROSTE'MMA. Corona simple, 5-leaved; leaflets di- 

 lated, each furnished with a process inside. Pollen masses te- 

 tragonal, pellucid on one margin. Corolla rotate. 



31 PERGULA X RIA. Corona simple, 5-leaved ; leaflets com- 

 pressed, undivided at apex, furnished each with a little segment 

 inside. Corolla rotate. 



32 DISCHIDIA. Corona simple, 5-leaved ; leaflets compressed, 

 bifid at apex, having the lobes recurved. Corolla rotate. 



33 LEPTOSTB'KMA. Corona simple, 5-leaved; leaflets cor- 

 date or sagittate. Corolla tubular, with a constricted throat, 

 closed with scales or fascicles of hairs. 



34 TRIPLOSPE'RMA. Corona simple, 5-lobed ; lobes spread- 

 ing, stellate, acute, large. Corolla funnel-shaped, with conni- 

 vent segments. Seeds 3 rows in each follicle. 



35 HARRISONIA. Corona simple, 5-leaved ; leaflets undi- 

 vided at the apex, each furnished with a fleshy tooth or process 

 inside. Corolla urceolate, 5-toothed, with a naked throat. 



2. Stamineous tube inappendiculaie outside. 



36 COXCHOPHY'LLDH. Seeds with a tuft of hairs at end. 

 Follicles smooth. Corolla urceolate, with a bearded throat. 



37 GYMXB'MA. Seeds with a tuft of hairs at end. Follicles 

 slender, smooth. Corolla urceolate ; throat crowned by scales, 

 but sometimes toothless. 



38 SARCOLOBUS. Seeds naked, marginate. Follicles ventri- 

 cose, fleshy. Corolla subrotate, with a toothless throat. 



TUBE II. 



GONOLOBKJE. Asclepiadece teree, part. R. Br. in mem. went, 

 toe. 1. p. 21 . Pollen matte t 10, transverse, attached by pairs to 

 the corpuscles of the stigma, jixed by the outer extremity (f. 17. 

 A.), and hiding the stigma, dehiscing transversely in respect to 

 the cells, that is 5 Z-celled anthers, separable into 2 parts by a 

 transverse furrow. Stamineous corona simple, of 1 leaf(i. 17. 

 d.'), lobed. Anthers naked at the apex, terminated by a mem- 

 brane. 



39 GOXOLOBCS. Seeds with a tuft of hairs at end. Follicles 

 usually ribbed or muricated. Stems twining. 



40 MATE'LEA. Seeds naked, crenated. Stem erect. 



TRIBE III. 



ASCLEPIB\E. AsclepiadeaE terae, part. R. Br. in mem. wern- 

 toe. 1. p. 21. Pollen masses 10, smooth, 2 appertaining to each 

 p 2 



