Euphorbiacese. 129 



Herbs, 504 



Shrubs, Buxus III. 



504 Juice milky, ovary 3-lobed, .... Euphorbia I. 



504 Juice not milky, ovary 2-lobed, . . . Mercurialis II. 



\.— EUPHORBIA. 



Inflorescence of many staminate and one pistillate flower in a 4 — 5-lobed 

 involucre, lobes alternating with thick reniform orbicular or crescent-shaped 

 glands, stamen l, ovary 3-lobed, styles 3, stigmas 3 bifid. 



Leaves with stipules, ........ E. Peplis. 



Leaves without stipules, 505 



505 Leaves ovate or obovate, 506 



505 Leaves linear lanceolate, . , . . . E. exigua. 

 506 Bracts connate at the base, .... E. amygdaloides. 



506 Bracts free at the base, 507 



507 Leaves serrate i — 2 in., , . . . E, Helioscopia. 



507 Leaves entire ^ -I in., 508 



508 Capsule with ribs, E. Peplus, 



508 Capsule with warts, ...... E. platyphyllos. 



EUPHOR'BIA AMYGDALOI'DES (51). Wood-Spurge. 3—5. 



(1252) Stems erect i ft. glabrous or slightly hairy, leaves alternate obovate 

 lanceolate entire, umbels 5 — lo-rayed, bracts yellow connate in pairs 

 together orbicular, glands crescent-shaped. Woods, copses, etc. 



Euphor'bia platyphyl'los (28). Broad- Spurge. 6—10. Stem erect stout 



(1246) \ — 2 ft. glabrous or slightly downy, leaves alternate oblong slightly 



serrate, umbel usually 5 -rayed, bracts cordate, glands orbicular. 



[F. w. c. a. 



Euphor'bia Pep'iis (9). Purple Spurge. 7 — 9. Stem procumbent purplish, 



(1244) leaves opposite stipulate cordato-oblong obtuse, glands small oblong. 



[G. 



EUPHOR'BIA EXIG'UA (81). Dwarf Spurge. 7— ii. Stem erect 

 (1258) 2 — 6 in. much branched, leaves alternate exstipulate linear-lanceolate, 

 glands crescent-shaped. Fields, etc. 



EUPHOR'BIA HELIOSCO'PIA (106). Sun Spurge. 6—10. Stem 



(1245) 6 — 18 in. erect simple or trifid at the base, leaves alternate exstipulate 

 obovate serrate, umbel 5 -rayed, glands orbicular. VVcLste plctces. 



EUPHOR'BIA PEP'LUS (98). Petty Spurge. 7— 11. Stem 6—10 

 (1257) in. simple or trifid at the base, leaves alternate obovate entire exstipu- 

 late, umbel 3-rayed, glands crescent -shaped with long points. Wast* 

 placts. 



