DECANDRIA— TRIGYNIA. Arenaria. 311 



luxuriant state. By culture the s^cms become forked, bearing 3, 

 4 or 5 flowers. 



** Stlpidas membranous, 



8. A. rubra. Purple Sandwort. 



Leaves linear, bristle-pointed. Stipulas membranous, sheath- 

 ing. Seeds compressed, angular, roughish. 



A. rubra. Linn. Sp. PL 606. Willcl v. 2. 721, a. FL Br. 4/9. 



Engl. Bot. V. 12. t. 852. Hook. Scot. 138. 

 A. campestris. Allion. Pedem.v. 2. 1 14. 

 Alsine n. 872. Hall Hist. v. 1. 385. 

 A. spergulee facie minor. Bank. Pin. 251. 



Spergula purpurea. Raii Syn. 35\. Bank. Hist. v. 3. p. 2. 719.2./. 

 Polygonum foliis gramineis. spergulaecapitibus. Loes. Pruss. 203. 



t. 63. 

 Purple Spurry. Pet. H. Brit. t.oO.f.S. 



In sandy fields abundantly. 



Annual. July, August. 



Root tapering. Stems numerous, prostrate in a circular form, flac- 

 cid, branched, round, leafy, smooth, except towards the ex- 

 tremity, where they are generally clothed with prominent glan- 

 dular hairs, such as coyer the Jlower-stalks and calyx. Leaves 

 mostly opposite, often in pairs, narrow, flat, glaucous or hoary, 

 rather succulent, acute, with a small terminal bristle ; each with 

 a pair of shining, combined, membranous stipulas at the base. 

 FL on simple stalks, finally reflexed, from the forks of the stem, 

 or the ends of the branches, where they form leafy clusters. 

 CaL densely hairy and clammy, without ribs, rather longer than 

 the shining, light purple, petals. Caps, as long as the calyx, 

 ovate, of 3 valves. Seeds numerous, compressed, somewhat 

 wedge-shaped, rough at the outer edge with small sharp points. 



The brilliant V\ti\e Jlowers open in bright weather only. 



9. A. marina. Sea Spurrey Sandwort. 



Leaves semicylindrical, fleshy, pointless. Stipulas mem- 

 branous, sheathing. Seeds compressed, bordered, smooth. 



A. marina. FLDan.t.740. FL Br. 4S0. Engl. BoLv. \4. t.D.iS. 

 Hull. ed.2.v. 1. 129. Hook. Scot. 139. Roth. Germ. v. 1. 189. 

 V. 2. p. 1.482. 



A. rubra (3. Linn. Sp. PL 606. H'illd. v. 2. 722. Huds. 193. 

 Light/. 230. 



A. media. With. 422. 



Spergula maritima, flore parvo caeruleo, semine vario. Dill, in Raii 

 Syn. 35 1 . Giss. a pp. 30. 



/3. Arenaria media. Linn. Sp. PL 606, cxcl. the syn. Jfilld, 

 v.2.722. 



