96 ' PENTANDRIA.— DIG YNI A. 



191. ASCLEPIAS. Cal. small, 5-parted. Cor. rotate, 



5-parted, mostly reflexed. Staminial crown sim- 

 ple, 5-leaved ; leaflets opposite the anthers, with 

 a subulate averted process at the base. Slig. 

 with the 5 angles (corpuscles) opening by 

 longitudinal chinks. Pollinia 5 distinct pairs. 



* * Fruit capsular. 



192. GENTIANA. Cal. 4— 5 parted, or cleft. Cor. 



tubular at the base, campanulate ; border 4 — 6 

 cleft ; segments ciliate or entire, spreading, erect, 

 or connivent. Stam. included. Styles fi, or very 

 short; stig. 2. Caps. 1 -celled, 2-valved ; recept. 

 2, longitudinal. 



193. CUSCUTA. Cal. 4—5 cleft. Cor. 4—5 cleft, 



subcampanulate, marcescent. Caps 2-celled, 

 opening all round transversely ; cells 2-seeded. 



B. Corolla 5-petalled, inferior. 



194. HEUCHERA. CaL 5-cleft. Pet. 5, small, inserted 



into the margin of the calyx. Caps, birostrate. 

 2-celled, many-seeded. 



C. Corolla 5-petalled, superior. 



195. PANAX. Polygamous. Flowers in a simple um- 



bel. Perfect. Cal. 5-toothed. Pet. 5. Styles 

 2 — 3. Berry subcordate, 2 — 3-seeded. Sta- 

 minif. Cal. entire. 



D. Flowers incomplete. 



196. ATRIPLEX. Polgamous. Perfect vl. Cal. 



5-parted, inferior. Cor. 0. Stam. 5. Style 2- 

 parted. Fruit depressed. Pistilif fl. Cal. 

 2-parted. Stam. 0. Fruit compressed. Seed 

 vertical. 



197. CHENOPODIUM. Cal. 5-parted, obtusely pen- 



tangular. Cor. 0. Style deeply bifid. Seed 

 lenticular, horizontal, partly covered by the 

 closing calyx. 



198. SALSOLA. Cal. 5-parted. Cor. 0. Style bifid. 



Seed 1, horizontal, covered by the connivent ca- 

 lyx. Embryo cochleate. 



