CL. XXI.] MONCBCIA MONANDRIA. 347 



entire, capsule warty. Stem erect, about a foot high, with numerous 



leaves above. Annual : flowers in July and August : grows in corn- 

 fields, in England : rare, and not indigenous. Eng . Bot. vol. v. pi. 333. 

 Eng. Fi. vol. iv. p. 64 : E. stricta. 1274. 



***** Umbel of six or more rays. 



9. E. E'sula. Leafy-branched Spurge. Umbel of numerous forked 

 rays; bracteas somewhat heart-shaped ; leaves linear, somewhat inversely 

 egg-shaped, uniform ; nectaries diamond-shaped, with two lateral horns ; 



capsule smooth. Stems a foot and a half high : leaves numerous. 



Perennial : flowers in July : grows in woods : rare, but is perhaps never 

 truly wild. At Abercorn, Gladsmuir-kirk, and West Pilton, near 

 Edinburgh; at Slinfold, Sussex ; and near Coldstream. Eng. Bat. vol. xx. 

 pi. 1399. Eng. Ft. vol. iv. p. 65. 1275. 



10. E. Cyparissias. Cypress Spurge. Umbel of numerous forked rays ; 

 bracteas somewhat heart-shaped ; stem-leaves lance-shaped, those of the 



branches linear; nectaries crescent-shaped; capsule smooth. Stem 



about a foot high. Perennial : flowers in June and July : grows in 

 woods and the borders of fields : rare, and not indigenous. Eug. Bot. 

 vol. xii. pi. 840. Eng. Ft. vol.iv. p. 66. 1276. 



11. E. Hiberna. Irish Spurge. Umbel of six forked rays; bracteas 

 egg-shaped ; leaves inversely egg-shaped ; stem simple ; nectaries kid- 

 ney-shaped ; capsule warty. Stem nearly two feet high. Perennial : 



flowers in June : found in Kent by Mr. Hudson. The bruised root is 

 said to be used in Ireland for poisoning fish. Eng. Bot. vol. xix. pi. 1337. 

 Eng. Ft. vol. iv. p. 67. 1277. 



12. E. amygdaloides. Wood Spurge. Umbel of about six forked rays, 

 with numerous axillar stalks beneath ; bracteas rounded, perfoliate ; 



leaves oblong, hairy; capsule smooth. The whole plant downy. 



Perennial : flowers in March and April : grows in woods and thickets 

 in England, not common. Eng. Bot. vol. iv. pi. 256. Eng. Fl. vol. iv. 

 p. 68. 1278. 



2. ZANNICHE'LLIA. HORNED POND-WEED. 



Barren flower. Calyx none. Corolla none. Filament solitary, 

 sessile, erect ; anther oblong, erect, two or four-celled. 



Fertile flower solitary, by the side of the barren flower. Calyx 

 of one small, cleft leaf, inferior. Corolla none. Germens four or 

 five, stalked, oblong, incurved. Style one to each germen ; stigma 

 one, peltate, egg-shaped, dilated. Capsules stalked, oblong, in- 

 curved, one-celled, one-valved, tipped with the permanent style. 

 Seed solitary. Named after J. J. Zannichelli, a Venetian bo- 

 tanist. 421. 



1. Z. palustris. Common Horned Pond-weed. Anther four-celled ; 



stigmas entire. Stem twelve or eighteen inches long, thread-shaped, 



branched, floating. Annual : flowers in July : grows in ponds and 

 ditches : frequent Eng. Bot. vol. xxvi. pi. 1844. Eng. Fl. vol.iv. p. 70. 



1279. 



