rENTANDRIA DISYNIA. Asclepias. 



three inches high ; flowers large in proportion, green- 

 ish yellow 3 fructification on a pedicel. 



17. A. caulibus erectis, foliis petiolatis oblongis obtusis lae- 



vibus, umbeliis pancis terminalibus, petalis erectis 

 calyce multo longioribus, nectariis integris patulis bre- 

 vihu'i.— iralt.Ji car. 107. 

 South Car lina. IValler. 1/. v. s. in Herb. Lyon. 

 Flowers large ; petals green ; nectaries purple ; fruc- 

 tification white. This and the preceding species de- 

 viate from the general character of Asclepia<;, and pro- 

 bably constitute a distinct genus ; but having had no 

 opportunity to examine the living plant, I refer tl em 

 to this genus until anothw opportunity may be had 

 to investigate them. 



18. A. caulibus erectis simplicibus glabris, foliis ovatis acu- 



minatis petiolatis : in medio cauli majoribus quaternis, 

 umbeliis duabus terminalibus laxifloris, pedicdlis fili- 

 formibus. — Jacq. ohs. 2. /. 23. 

 On lime-stone rocks : New York to Virginia. 1/ . May 

 — July. V. V. From nine inches to a foot high j 

 flowers small, sweet-scented 5 petals white ; nectaries 

 rose-coloured. 



183 



vh idis. 



quadr'ifolia. 



** Foliis spar sis. 

 1Q. A. caule erecto simplicissimo lineatim puberulo, foliis verticillata. 

 angustissime linearibus strictis glabris plerumque ver- 

 ticillatis, corniculis exertis, Mlch.fi. amer. I. p. 11 6. 

 IFilld.sp.pL 1. p. 1272. 

 Icon. Pluk.mant.t.336.f.4. 



On dry hills and fields : New Jersey to Carolina. 1/ . 

 June, July. v. v. Petals yellowish-green 3 nectaries 

 white. 



20. A. caule decumbente foliisque sparsis praelongo-lineari- longifolia. 

 bus puberulis, appendicibus corollae corpuscuio genita- 

 lifero brevioribus et corniculo vacuis. Mich.fi. artier. 1 . 

 p. 11(5. 



A. incarnata. lVaIt.fi. car. 10(5. 



A. floridana. Lam. encycl. 1 . p. 284. 



In shady wet woods : Carolina and Georgia. 1/ , July, 

 Aug. V. s. Flowers pale purple 3 fructification yel- 

 low. 



2'i.A.caule erectiusculo summitate divaricato-ramoso hir- tulerosa. 

 sutissirao, foliis sparsis oblongolanceolatis birsutis. 



