176 HEXANDRIA TRIGVNIA. [CL. VI. 



minute, egg-shaped, from the mouth of the calyx. Filaments 

 thread-shaped, incurved, short; anthers roundish. Germen egg- 

 shaped. Style cylindrical, very short; stigma round and flat. 

 Capsule globose, two-celled, with a transverse partition. Seeds 

 numerous, minute, triangular. Named from pep lion, anciently 

 applied to an allied plant. 198. 



1. P. Portula. Water Purslane. Petals generally wanting; leaves 



opposite, inversely egg-shaped, stalked. Stems numerous, creeping : 



flowers small, axillar, solitary, reddish. Annual : flowers in July and 

 August: grows in watery places, especially such as become dry in 

 summer: frequent. Eng. Bot. vol. xvii. pi. 1121. Eng. Fl. vol. ii. 

 p. 187. 554. 



DIGYNIA. 



20. OXY'RIA. MOUNTAIN SORREL. 



Calyx inferior, of two opposite, lance-shaped, permanent leaves. 

 Petals two, inversely egg-shaped, erect, permanent. Filaments 

 awl-shaped, shorter than the calyx ; anthers erect, two-lobed. 

 Germen superior, egg-shaped, compressed, with membranous 

 edges, cleft. Styles very short, erect ; stigmas in many tufted 

 segments. Seed one, egg-shaped, compressed, with a dilated, 

 membranous wing. Named from ojcys, acid. 199. 



1. 0. reniformis. Kidney-leaved Mountain Sorrel. Stem from six inches 

 to a foot high, almost leafless: leaves almost all radical, numerous, kid- 

 ney-shaped : panicle erect, branched : flowers small, drooping. Peren- 

 nial : flowers in June : grows on moist rocks and by rills, on the higher 

 mountains of Scotland, Wales, the north of England, and Ireland : 

 abundant. Eng. Bot. vol. xiii. pi. 910. Eng. Fl. vol. ii. p. 188. 555. 



T R I G Y N I A. 



21. RU'iMEX. DOCK SORREL. 



Calyx inferior, of three obtuse, permanent leaves. Petals three, 

 larger than the calyx, and similar in colour, but thinner and more 

 veiny, permanent, ultimately enlarged and converging round the 

 seed. Filaments thread -shaped, very short; anthers erect, oblong, 

 two-lobed. Germen superior, triangular. Styles thread-shaped, 

 spreading, standing out between the petals; stigma large, in many 

 tufted segments. Seed single, triangular, polished. Name of un- 

 known origin. 200. 

 * Flowers all perfect. 



1. E. sanguineiu. Bloody-veined Dock. Enlarged petals entire, oblong, 

 one at least bearing a tubercle ; leaves lance-shaped, somewhat heart- 

 shaped. Stem two or three feet high, erect, branched, leafy, reddisb. 



Leaves all stalked, slightly curled at the edges, with bright-red or green 



