DICOTYLEDONS. EUrilORBIACE-i:. Eupliuybla. 203 



1. ASARUM. 



Perianth 3-t'\eh. S'avi. \2,]AAcci\ u\)on the nvari/. yinllu-rs 



adnate with the middle of the iilaiuents. Capsule 6-cc!led. 

 1. A. europceum, leaves biaate reuiform obtuse, p. 1 ^G. — IVoodSy 



rare. 



Order VII. EUPHORBIACE.E. Jiiss. 



Jiithers and Pistils in distinct flowers, naked, or with a free o- 

 ol• more eleft /;6?7'a////z. Barren Fl. Stain]. — 12. ylatkcrs 

 didymous. Fertile Fl. Ovary 1. Styles 2 — 3. Stigvius 

 2 — 3, bijDartiie or 2-lobed. Capsnle elastieaily splitting into 

 2 — 3 one- or two-seeded Cocci. Seeds suspended. Embryo 

 in the axis of a fleshy alhututn. Radicle superior. Cotyle^ 

 dons flat. 



Stems iierbaccous or woody. Leaves alternate opposite or 

 whorlcd. 



1. MERCURIALiS. 



Dicechms, Perianth tripartite. Barren Fl. Stam, 9 — 12. 

 Fertile Fl. Styles 2. 



1. M. annua, stems branched, leaves glabrous, flowers spicato- 

 glomerate. p. 290. — Woods. 



2. M. pdrennis, stem quite simple, leaves rough, flowers upon 

 long footstalks, p. 289. — IVaste places. 



2. EUPHORBIA. 



3t[on€ccums, rarely furnished with a perianth. Involucre niono- 

 phyllous, calyciform, inclosing a number of pedicellated/Zowerf, 

 of which one is pistilliferous, the rest consisting each of one 

 stamen. 



1. E. Peplus, umbel of 3 forked rays, bracteas ovate and as 

 well as the obovate shortly petiolated leaves entire, nectaries 

 crescent-shaped horned, p. 148. — IVaste places. 



2. E. exigua, umbel of 3 forked rays, bracteas lanceolate and 

 as well as the linear-lanceolate leaves entire, p. 14S. — Corn- 



jields . 



3. E. helioscofjia, umbel of 5 forked rays, bracteas obovate 

 and as well as the cuneate leaves serrated, p. 148. — Corn- 



Jields. 

 A. E. Esnla, umbel of many forked rays, bracteas somewhat 



heart-shaped and as well as the linear obovate leaves entire. 



p. \4S.—lVoods. 

 5, E. Cyparissias^ uuibel of many forked luys, bracteas broadly 



