202 DECANDRIA TBIGYNIA. Qci>. X, 



rate ; petals inversely heart-shaped ; calyx ribless, much shorter than 

 the petals. Stems from one to two feet high, very slender and decum- 

 bent at the base, square, erect, panicled at the top : flowers large, pure 

 white. Perennial : flowers in May and June : grows in woods and 

 hedges: common. Eng. Bot. vol. viii. pi. 511. Eng. Fl. vol. ii. 

 p. 301. 673. 



4. S. graminea. Lesser Stitchwort. Leaves between linear and 

 lance-shaped, not serrate; panicle terminal, spreading; calyx three- 

 ribbed, nearly as long as the petals. Stems very weak and brittle,. 



supporting themselves by the surrounding plants, from one to three feet 

 long : flowers with white petals. Perennial : flowers in May, June, and 

 July: grows in grassy or bushy places: common. Eng. Bot. vol. xii. 

 pi. 803. Eng. Fl. vol. ii. p. 302. 674. 



5. 5. glai'tca. Glaucous Marsh Stitchwort. Leaves between linear 

 and lance-shaped, not serrate, glaucous ; flowers upon long solitary axil- 



lar stalks ; calyx three-ribbed, half as long as the petals. Intermediate 



between 5. hotoftea and S. graminea, but easily distinguished from either : 

 stem about a foot high. Perennial : grows in marshy places : flowers in 

 June and July. Eng. Bot. vol. xii. pi. 825. Eng. Fl. vol. ii. p. 303. 



675. 



6. S. vlighiosa. Bog Sirtcftuwt. Leaves between lance-shaped and 

 elliptical, entire, with the tip callous ; flowers irregularly panicled,. 



lateral or terminal ; petals shorter than the calyx. Smooth, pale, and 



somewhat glaucous : stems weak, square, about a foot high : flowers- 

 small, white. Annual : flowers in June : grows in rivulets, ditches, and 

 bogey places: common. Eng. Bot. vol. xv. pi. 1074. Eng. Fi. vol. ii. 

 p. 303. 676. 



7. S. tcapigera. Many-stalked Stitchwort. Leaves between lance- 

 shaped and linear, rough on the margin ; stem shorter than the flower- 

 stalks ; leaves of the calyx three-ribbed, as long as the petals. Stem 



erect, very short, angular : leaves crowded : flowers small, white. Pe- 

 rennial : flowers in June : said to have been found on the higher moun- 

 tains of Scotland, by the late Mr. Don. No other botanist has found it 

 in Britain. Eng. Bot. vol. xviii. pi. 1269. Eng. Fl. vol. ii. p. 304. 677. 



8. S. cerattoides. Alpine Stitckwort. Leaves between oblong and el- 

 liptical, bluntish, smooth; stems two-flowered, with a lateral hairy line; 

 flower-stalks downy ; leaves of the calyx with a single downy rib. 

 Stems spreading, three or four inches long : flowers erect, terminal : 

 petals nearly twice the length of the calyx, cleft nearly half-way down. 

 Perennial : flowers in June : grows on Ben Nevis, Ben-na-muic-dui, 

 Loch-na-gar, and other high mountains in Scotland. Eng. Bot. vol. xiii. 

 pi. 911. Eng. Fl. vol. ii. p. 305. 678. 



12. ARENA'RIA. SANDWOHT. 



Calyx inferior, of five oblong, pointed, permanent leaves. Pe- 

 tals five, egg-shaped, or lance-shaped, undivided, withennu. 

 taries five or ten glands at the base of the stamens. Filaments 

 awl-shaped, five rather shorter; anthers roundish. Gennen egg- 

 shaped, superior. Styles three, short, spreading; stigmas downy. 

 Capsule egg-shaped, covered by the calyx and corolla, one-celled, 

 three-valved. Seeds numerous, kidney -shaped. Named from 

 arena, sand. 232. 



