DECAND. PENTAGYN. 141 



Hard as it may be to define, in the specific character, the marks that 

 shall distinguish this from the last, no difficulty will arise when its 

 larger size (3 4 inches in height) audits bright yellow flowers are 

 taken into consideration. Very biting when chewed, and hence 

 called Wall-pepper. 



7. S. rejiexum (yellow Stone-crop*}, leaves scattered subulate 

 fleshy prodiiced at the base, flowers subcymose. Ligktf.p. 23-1. 

 .-.'*. -695. 



On walls, roofs of houses and thatched buildings, but rare. In a vil- 

 lage going from Edinb. to Lord March's, Dr. Parsons. Walls 

 about Craigcrook, Edinb., Maugh. Ruins of Craignethan castle, 

 Glasg., Hopk. Wall at Corstorphine hill, Edinb., Mr. Greville. 

 Fl. July. 7/ . 



Sterile branches with thickly placed leaves, often reflexed. Flowering 

 stem C 8 inches high. Cyme large, yellow. Flowers numerous, 

 often of 6 petals and 12 stam. Very similar to this plant are the 

 three species of Smith, S. glaucwn, rupestre and Forsterianum. 



17. OXALIS. 



1. O. Acetosclla(JJ 7 ood'Sorrel]^^\^ all radical ternate inversely 

 heart-shaped hairy, scape single-flowered, root squamose. 

 Lightf. p. 237. E. B. t. 762. 



HAB. Woods and hedge -banks, frequent. Fl. May. 11 . 



Leaf-stalks long and slender, reddish. Leases drooping at night. 

 Scape with 2 scaly bracteas. Flower handsome, drooping, white, 

 with purplish veins. The leaves have a very agreeable acid flavour. 



2. O. corniculata (yelloiv procumbent Wood-sorrel], stem 

 branched spreading, flowers single or subumbellate shorter than 

 the petioles, leaves ternate obcordate pubescent. E.B.t. 1726. 



HAB. Near Stirling, Dr. Buchanan in E. B. Old wall between the 

 Avon and Barn cluith, Hopk. Fl. the summer through. G- 



Six to eight inches tall. Flowers small, yellow, single or two together 

 upon pedicels, with two minute bracteas at their base. Caps, large, 

 oblong. Seeds with a very elastic arillus. This is a perfect weed 

 in many gardens in Devonshire. 



18. AGROSTEMMA. 



1. A. Githago (Corn Cockle] hairy, cal. much longer than the 

 cor., petals entire destitute of a crown. Lig/ilf. p. 238. E. B. 

 t. 741. 



HAB. Corn-fields, too frequent. Fl. June, July. O. 



Two feet high, branched, erect. Leaves linear-lanceolate. Cal. rib- 

 bed, its segments very long. Flower large, purple. 



19. LYCHNIS. 



1. L. Flos Cuciili (Meadoiu Lychnis or ragged Rolin), flowers 

 loosely panicled, petals 4-cleft, capsule roundish 1 -celled. 

 Light/, p. 139. E. B. t. 573. 



HAB. Moist meadows and pastures, frequent. Fl. June. "U 

 One to two feet high, reddish green, clammy above. Leaves lanceo- 

 late, Cal. andfowcrstalks reddish purple. Petah ; rose coloured. 



