PENTANDRiA. DiGYNiA. Cynanchum. 205, 



dtufffolium. C. ftem twining herbaceous, leaves oblong rounded 



at the top with a point, umbels lateral. ^. 



obttife-haved, 



305. APOCYNUM. Cor. beird. Filaments $^ 



alternate with the ftamens. 



androfcetmfo- I. A. ftem ftraightifti herbaceous, leaves eggM fmooth on 

 //^^^; both fides, cymes terminal, androfemum-leayed, 



cannahinum, 2. A. ftem ftraightifti herbaceous, leaves oblong, panicles 



terminal. ^^^P- 



venstum, 3. A. ftem ftraightifti herbaceous, leaves egg-lanced, 



Venice* 



frutefcens, 4. A. ftem erea ftirub-growing, leaves lance-oval, co- 

 -^ rols acute : villous in the throat. jhruh-grow- 



ing, 



reilculatunu 5. A. ftem twining perennial, -leaves egg'd veined. 



netted. 



mlnutum. A. leaves halberted. S. ^runute. 



fliforme. A. ftem proftrate herbaceous, leaves thread-torm, 



^•^ flowers umbcl'd. 5. thread-form, 



lineare, A. ftem twining herbaceous, leaves linear flat, um- 



bels axillary compound. 5. linear. 



irifiorum. A. ftem tVv^ining herbaceouj, leaves lanced, umbels 



axillary two or three-fiower'd. three-flowefd. 



306. ASCLEPL\S. Contorted. NeBaries 5, egg'd, 



concave, protruding a hornlet. 



undulaia. 

 crifpa. 

 pubefcens, 

 gigantea, 

 fyr'iaca. 

 amcena. 



* IVith leaves oppofitefiat. 



1. A. leaves fefTile oblong lanced waved fmooth, petals 



fringed. ''^'''"^^(^' 



* A. leaves lanced curFd ftiaggy, petals villous without. 



curFd. 



A. leaves egg'd vein'd naked, ftem ftirubby and pe- 

 duncies villous. pubefcent. 



2. A. leaves ftem-chfping oblong-oval hairy at the bafc. 



giant. 



A. A. leaves oval downy underneath, ftem fimpleft, um- 

 bels nodding. fy^-'^^'^ 



6. A. leaves egg'd hairyifli underneath, ftem fimple, um- 

 bels and neaaries erea. pleafmg, 



5. A. 



