CHENOPODIACE.E (gOOSEFOOT FAMILY.) 403 



acute bracts ; sterile filameuts longer than the fertile, 5 - 6-cleft ; utricle 

 crowned with a narrow toothed margin. — South Florida, aloug the coast. 

 — Stem 2° -4° loug. Leaves 1' long. 



4. T. Brasiliana, Moquin. Herbaceous, rough-hairy; the young leaves 

 and branclilets hoary ; stem erect, forking ; leaves tliiu, ovate-lanceolate, acumi- 

 nate, taperiiig into a short petiole, longer than the internodes, ratiier shorter 

 than the slender peduncles ; heads and flowers as in No. 3 ; utricle crowned 

 witii a narrow entire margin. — South Florida. — Stem apparently tall 

 Leaves 2' - 4' long. 



10. FRCELICHIA, Mcench. 



Flowers perfect, 3-bracted. Calyx tubular, 5-cleft, indurated and spiny- 

 crested in fruit. Stamens .5, itnited into a long tube. Sterile filameuts en- 

 tire. Anthers sessile. Stigma capitate or many -cleft. Utricle iudehiscent, 

 1 -seeded, included in the calyx. Seed vertical. Radicle ascending. — Woolly 

 or hairy annuals. Leaves opposite. Spikes opposite, and terminating the 

 naked peduncle like summit of the stem. 



1. P. Floridana, Moquin. White-tomentose or woolly; stem erect, 

 simple or Ijranched ; leaves linear to oblong ; spikes ovate or oblong, length- 

 ening with age ; bracts mostly blackisli, shorter than the calyx ; style short ; 

 stigma capitate ; fruiting calyx round-ovate, compressed, toothed along the 

 margins, and minutely tubercled at the base. — Dry sandy soil, Georgia, 

 Florida, and westward. July - Sept. — Stem -^'^-3° high. Spikes solitary. 



Order 109. CHENOPODIACE^. (Goosefoot Family.) 



Unsightly herbs, with exstipulate leaves, inconspicuous flowers, and 

 the characters mostly of the preceding family ; but the green calyx 

 often becoming succulent in fruit, 5 (rarely 1-2) stamens opposite 

 the sepals, a solitary ovary forming an achenium or utricle in fruit, 

 two short and spreading styles, a horizontal or vertical lenticular seed, 

 and the embryo forming a ring around the albumen, or spirally coiled, 

 with little or no albumen. 



Synopsis. 



Tribe I. CYCLOLOBE^. Embryo curved like a ring around the albumen. 



L CHENOPODIUM. Calyx 3 - 5-parted, the lobes commonly keeled in fruit. Seed hori- 

 zontal, rarely vertical. 



2. ATRIPLEX. Flowers monoecious. Calyx of the sterile flowers 5-parted, of the fertile 



flower none. Ovary enclosed in a pair of separate at length coriaceous bracts. 

 Radicle inferior. 



3. OBIONE. Bracts of the fertile flower united. Radicle superior. 



4. SALICORNIA. Flowers 3 together, lodged in excavations of the thickened joints of the 



leafless stem. 



Tribe IL SPIROLiOBE^. Embryo spirally coiled, with little or no albumen. 

 Seed horizontal. 



5. SU^DA. Calyx 5-parted, not keeled. Leaves terete, fleshy. 



6. SALSOLA. Calyx at length transversely winged. Leaves spiny. 



