Ord. 5.] DECANDRIA PENTAGYNIA. 99 



2. L. Viscaria, 11. 788. (Rock L.) Viscid. Petals nearly entire. 



Capsule stalked, of five cells. Leaves fringed at the base. 

 Rocks, in the N., rare. If. 5, 6. L. linear. Pan. spiked. Fl. 

 rose-coloured. 



3. L. alpina, 32. 2254. (Alpine Campion.) Smooth. Petals cloven. 



Fiowers densely corymbose. Capsule stalked, of five cells. 

 Leaves linear-lanceolate, naked at the base. 

 Clova mts. If. 6, 7. Smaller, paler, not viscid. Fl. rose-col. 



4. L. dio'ica, 22. 1579, j3. 1580. (Red or White C.) Flowers dioecious. 



Petals cloven, crowned with four teeth. Capsule of one cell. 

 Fields and hedges. If. 5 — 9. Hairy, slightly viscid. Fl. red : in 

 /3. white. 



243. CERASTIUM. Mouse-ear-Chickweed. 



1. C. vulgatum, 11. 789. (Broad-leaved M.) Hairy, viscid, tufted. 



Leaves ovate. Petals as long- as the calyx. Flowers longer 

 than their stalks. 

 Fields and waste gr. 0. 4, 5. Pale green. Pet. small, white. L. 

 broadly ovate. 



2. C. viscosum, 11. 790. (Narrow-leaved M.) Hairy, viscid, recum- 



bent. Leaves lanceolate-oblong. 

 Past. & waste gr. If. 5 — 9. Dark green. Pet. longer than the calyx. 



3. C. semidecdndrum, 23. 1630. (Little M.) Hairy and viscid. Sta- 



mens five. Petals slightly cloven. 

 Waste sandy gr. . 4, 5. Like the last, but much smaller and 

 more erect. 



4. C. tetrdndrum, Sagina cerastoides, 3. 166. (Four-cleft M.) Hairy 



and somewhat viscid. Flowers four-cleft, with four stamens. 

 Petals inversely heart-shaped, shorter than the taper-pointed 

 calyx, which is nearly as long as the capsule. 

 Sandy gr. 0.5,6. Stems several, spreading. Pet A, white. Styles 4. 



5. C. arvense, 2. 93. (Field Chickweed.) Leaves linear-lanceolate, 



bluntish ; fringed at the base. Petals twice the length of the 

 calyx ; capsule shorter. 

 Gravelly soil. If. 5 — 8. Hairy ; base recumb. Fl. large, pure 

 white. 



6. C. alp'inum, 7.472. (Alpine M.) Leaves elliptical, naked or hairy. 



Panicle forked, bracteated, of few flowers. Capsule oblong, re- 

 curved. 

 Near alpine rills. If. 6, 7. Leafy, erect, 3 — 4 in. Fl. large, white. 



7. C. latifolium, 7. 473. (Broad-leaved M.) Leaves elliptical, rough 



with short bristly hairs. Flower-stalks terminal, simple, mostly 

 solitary. Capsule ovate at the base. 

 Mts. If. 6. Of still more humble growth. Hairs tawny, rigid. 



8. C. aqudticum, 8. 538. (Water M.) Leaves heart-shaped, sessile. 



Flower-stalks lateral, solitary. Capsules drooping, ovate, with 

 five cloven teeth. 

 Watery pi. If . 7. Stems about 2/ weak and hairy. Pet. deeply 

 divided. 



