ASCLEPIADEX. 225 



r- ', sintx>th, pale beneath, ^oicer* in lateral and tcr- 



Urcciii.-.h purpic. 4 June — July. Mountains 2-4 feet. 

 3 A (.j I "^'KoUA- Stem erect, simple, smooth. Ijcaves vertirjllate by 

 loiins "^ eolate, glabrous, acuminate on short f)etiole«. Flotc*^r$'\n 



• ' aiiu .lAiilary umbles; pedicels capillary; nectaries with horns, 2- 



S\ uiic. % June — July, i^ry woods. 2-3 feet. 



I A (" NNivBxs ^'<em erect, terete, glabrous. Leaves opposite, sessile, 



. sprinkled with hair. Flouxrs few, in umbels, large ; nectaries 



\. 



White. % June— July. Southern Georgia. 1-2 feet. 



5 A T VTA. S/«»i erect, branching, tomentosc /.*fltv5 opposite, lan- 

 cfoln'e. iicwhat tonientose, pubescent along the veins and margins. 

 / iuuierous umbels, generally in pairs Nectaries with subulate, 



Purple. % July — Aug. On the banks of streams. 2—1 ft. 



6 A ToMENTOSA- Stem erect, tomentose when young. Leaves opposite, 

 toroentose on the under surface, acuminate. Floicers in terminal umbels, 

 simple. Horns of the nectaries exsertcd. 



Souihcrii Ga 



7 A Obovata. Stfm erect, tomentose, terpte. Leaves opposite, nearly 

 sesr'- ..'.i\ .r.\ obtuse, mucronate, tomentose on the under surface; the 

 vvr , l!e' ""'* '••*'*'^'""* Fioiccrs in terminal and aiillarv »"^- 



MiUuie Ga. 2-3 ft. 



8 A Obttsifoua. Stem simple, erect, purple. Z/ a re* sessile, opposite, 

 cordate, ovate, undulate, glabrous, glaucous beneath. Floirers in terminal 

 um^ ' 'nry, on lonir pedurcles. Corolla large, tinged with pur- 

 ple - !is of the neciartf exseried. 



I'^rp.L ana WiJite. 1\. June — July. Sandy soils. 2-3 ft. 



9 A .A^:^• FV! AT r 's. Stem dec mibent, terete. Leaves large, succulenti 

 eessile, . , strongly veined. Flouxrs in axillary and tenninal 

 umbels, w .w-v. .... nectary exsertcd. 



Dull white ^ April — May. Dry sandy soils. 1-2 ft. 



10 A • ^NS. Stem erect, sinjple. leaves ovate, nearly sessile, 

 nearly i. '\'e, downv bcneaih : purple m;drib. Flowers in erect, 

 lermiiiai uuibti?. Horns of the nectary resupiriate. 



Purple. 4 June — July. In swamps. 3-4 ft. 



II A Laurifolia. Stem erect, glabrous, marked by a decurrent hairy line. 

 /'"•■' ' «<«sile, opfKJsitc, ova'e, tapering at the sunmiit, glabrous. Ftotcers 



-y and terminal umbels ; peduncles long. Corolla green on the outer 

 6ai iiii <•. 



Purple. % June — July. Damp pine barrens, 2 ft. 



12 A r I erect, glabrous, marked by a decurrent, hairy 

 line. L .r lanceolate, long, glabrous, margins pubescent. 

 Flowers in uuiLhtLs, oil loiisf peduncles. 



Bright purple. Ij. May — July. Damp sandy soils. 3-4 fi. 



13 Pabviflora. Stem erect and decuml>eni, slightly pubescent. Leaver 



-- ' ' •. acuminate, tapering at the base, slightlv pubescent, silky 



e, on short petioles, flotcers in axilfary and terminal 

 umLK- .^. liurns ui the nectary long. 

 Whi'e. 4 May— Aug. 1-2 ft. 



14 A VERTiaLi^TA. Stem erect, slender. 2<«2r«# hairj', linear, crou Jed 

 at ihc base, verticillate in the middle, opposiie towards the summit of the 

 stem. Flowers in axillary ond terminal umbeL». Horns of the nectary ex* 

 •erwd. 



Dull white. % May— Aug. In rich soils. 2-3 ft. 

 \b A CufER£A. Stem erect, slender. Leaves long, Uneor opposite, glab. 



