Class XXIII. POLYGAMIA. 



Stamens and Pistils united in the same 

 jftower, besides others in separate 

 Jiowers, having a different structure 



in their accessory parts ^ on the same 



or different plants. 



Order T. MONOECIA. Flowers different 

 on the same plant. 



462. ATRIPLEX. United jl. Cal. inferior, in 5 deep 

 segments. Cor. none. Stam. 5. Style deeply cloven. 

 Seed 1, depressed. 

 Fert.Jl. Cal. inferior, in 2 deep segments. Cor. 

 none. 5(y/^ deeply cloven. SeecZ 1, compressed. 



FOLYGAMIA MONOECIA. 



462. ATRIPLEX. Orache. 



Lmn.Gen.745. Juss.85. FLBr.\090. Tourn.t.286. Lam.t.850. 

 GcErtn. t. 75. 



Nat. Ord. Holeracece. lAnn.l2. Atriplkes. J uss. 29. C/ie- 

 nopodece. DeCand. 100. Br. Prodr. 405. Next akin to 



Chenopodium. v. 2. 9. 



United Jl. Cal. inferior, concave, permanent, in 5 deep, 

 equal, ovate, concave segments, thin or membranous at 

 the edges. Cor. none. Filam. 5, awl-shaped, from the 

 bottom of the calyx, opposite to its segments, and about 

 as long. Atit/i. of 2 round lobes. Germ, superior, orbi- 

 cular, often very imperfect. Style short, deeply divided. 

 Stigmas simple, spreading. Seed 1, orbicular, depressed, 

 wrapped in a thin close pellicle, and covered by the closed, 

 permanent, 5-angled calyx. Our British species scarcely 

 form any seed in these^oivers. 



