104 TETUANDRIA MONOGYNIA. FJcL. IV. 



rior, roundish. Style thread-shaped, as long as the corolla ; stigma 

 obtuse. Drupe roundish, dimpled. Nut oblong or heart-shaped, 

 two-celled, with one kernel in each. Named from cornu, a horn, 

 the wood being hard. 75. 



1. C. sanguinea. Wild Cornel. Dog-wood. Woody ; branches straight ; 

 leaves opposite, green on both sides ; cymes destitute of involucre. 

 A small tree or bush, five feet high : branches deep-red : leaves oppo- 

 site, stalked, egg-shaped, smooth, turning red in autumn : flowers white, 

 in terminal cymes : fruit dark-purple. Flowers in June : grows in hedges 

 and thickets in England : frequent. Eng. Bot. vol. iv. pi. 249. Eng. Fl. 

 vol. L. p. 221. 256. 



2. C. Sutcica. Dwarf Cornel. Herbaceous ; flowers umbellate, sur- 

 rounded by a four-leaved involucre, the umbel springing from the fork of 



the stem. Stems from four to six inches high, erect, leafy, forked ; 



flowers dark-purple, very small : leaves opposite, elliptical. Perennial : 

 flowers in June and July : grows in heathy pastures, in Scotland and the 

 north of England : frequent. Eng. Bot. vol. v. pi. 310. Eng. Fl. vol.i. 

 p. 221. 257. 



13. PARIETA'RIA. PELLITORY. 



Calyx inferior, of one leaf, divided into four deep segments, per- 

 manent. Corolla none. Filaments awl-shaped, longer than the 

 calyx, recurved; anthers of two distinct lobes. Germen egg- 

 shaped. Style thread-shaped, erect ; stigma knobbed. Seed egg- 

 shaped, flattened, invested with the enlarged calyx. Named from 

 paries, a wall. 76. 



1. P. qfficindlis. Common Pellitory of the Wall. Leaves between egg- 

 shaped and lance-shaped ; involucre of many egg-shaped leaflets. 



Root somewhat woody : stems branched, four-cornered, hairy, reddish : 

 leaves alternate, stalked : flowers numerous, small, axillar, growing in 

 threes, the middle one pistilliferous only. Perennial : flowers through the 

 summer : grows on old walls and among rubbish: common. This plant 

 was formerly in repute as a medicine, but it does not seem to possess any 

 remarkable qualities. Eng. Bot. vol. xiii. pi. 879. Eng. FL vol. i. 

 p. 222. 258. 



14. ISNA'RDIA. ISNARDIA. 



Calyx superior, bell-shaped, divided into four equal, egg-shaped 

 segments. Corolla none. Filaments awl-shaped, shorter than 

 the calyx; anthers oblong, simple. Germen inferior, four-cor- 

 nered. Style cylindrical, long; stigma knobbed. Capsule four- 

 cornered, oblong, four-celled, crowned with the calyx. Seeds 

 numerous, oblong. Named after Antoine d'Isnard, a French 

 botanist. 



1. I. palustris. Marsh Isnardia. Roots long, thread-like : stems 

 bluntly four-cornered, leafy : leaves opposite, stalked, egg-shaped, bright 

 green : two acute, small bracteas : flowers axillar, solitary, sessile, green. 

 Annual : flowers in July; floating in pools : very rare. Found at }!uxted, 

 Sussex, by Mr. W. Borrer. Hampshire. Jersey. Eng. Bot. Suppl. 

 pi. 2593. Eng. Fl. vol. i. p. 223. 259. 



