DICOTYLEDONS. — chenopode.t:. Chenopod'mm, 207" 



**•* Flowers d'uvciou.i ; valves gralnless. (Acetosa.) 



10. R. Acetosa, leaves oblongo-sagittate their segments bent to- 

 wards the petiole, p. 113. — Pastures. 



11. R. Acelosella, leaves lanceolato-hastate their acute lobes 

 spreading or even recurved, p. 1 13. — Dry pastures. 



.S. OXYRIA. 

 Perianth of 4 leaves, two inner ones longer. Slam. G. Styles 



2. Nut tri([uetrous, with a broad, winged, membranous viar- 



gin. Evihi/o erect, inverted. 

 1. O. revll'onn'ts. p. 1 11''. — Moist alpine rocks. 



Order XI. CHENOPODE.E, DecamL {Atnplices, 



t/uss.) 



Perianth of I piece, free, persistent, mostly with deep divisions, 

 and with an imbricated aestivation. Stain, definite, opposite 

 the segments, into the base of which they are inserted. Style 

 2 — 4-cleft,or none. Stigmas simple. Acheniuin or Utricii- 

 lus inclosed by the persistent perimilh. Seeds erect. Embryo 

 curved round a farinaceous albumen, or spiral ; rarely without 

 albumen. Particle inferior. 



Herbs or Shrubs. Leaves simple, alternate, without stipules. 

 Flowers generally perfect. Br. 



1. CHENOPODIUM. 

 Floivers perfect. Perianth 5-cleft, closing upon but not wholly 

 envclo])ing the fruit. Slam. 5. Styles 2. 

 *" Leaves semicylindrical, Jieshy . 



1 . Ch. 7««ri/fm?/wi,leaves glabrous subulate semicyhudrical fleshy, 

 flowers clustered axillary sessile, p. 83. — Sea-coast. 



** Leaves plane, undivided, and entire. 



2. Ch. olidum, leaves ovato-rhomboid entire, flowers in dense 

 clustered spikes, stem diffuse, p. S3. — IVasie places. 



3. Ch. polyspcrmum, leaves ovate entire, racemes subcymose 

 divaricate leafless, stem decumbent or erect, p. 83. — JVaste 

 places. 



*** Leaves plane, toothed, or lobed. 



4. Ch. Bonus Henricus, leaves triangular arrow-shaped entire, 

 spikes compound terminal and axillary erect leafless. — p. S3. 

 — JVay-sidcs. 



a By mistake, in t1ie first part of this worl;, this species is said to be Donla 

 siip'tdd of Firowii, instead of D. acida. 



