DECANDRIA PENTAGYNIA. 101 



pan ding during the day, and at all times scentless, 

 while the white opens freely in the evening only, and is 

 then sweet-scented. 



140. AGROSTEMMA. 



1. A. Githago, hairy; stem erect; leaves linear-lanceolate; 

 calyx-teeth rising above the purple corolla; petals undivided, 

 without teeth. Corn Cockle. 



Hab. Corn-fields. June, July. 



" What hurt it doth among come, the spoyle vnto bread, 

 as well in colour, taste, and vnwholesomnes, is better 

 known than desired." 



141. CERASTIUM. 



1. C. vulgatum, hairy, viscid, tufted; leaves ovate; petals as 

 long as the calyx ; flowers longer than their stalks, subcapitate, 

 white. Broad-leaved Mouse-ear Chickweed. 



Hab. Road-sides and waste ground. " Bed of Wooler 

 Water; dikes about Earl," Thomp. Road-sides be- 

 tween Blackhouse and Buncle, Berwickshire, plentiful. 

 Sides of the road leading through the plantations near 

 Blackadder. It seems a rare plant in this neighbour- 

 hood. May Sept. 



2. C. viscosum, hairy, viscid, recumbent ; leaves lanceolate-ob- 

 long; flowers white, somewhat panicled, shorter than their 

 stalks. Narrow-leaved Mouse-ear Chickweed. 



Hab. Fields and road-sides very common. May, Sept. I/. 



3. C. semidecandrum, hairy and viscid, suberect ; leaves ovate- 

 oblong ; flowers somewhat panicled, shorter than their stalks ; 

 stamens 5 ; petals slightly cloven. Little Mouse-ear Chickweed. 



Hab. On walls and waste ground, very common. March, 

 April. 



4. C. tetrandrum, hairy and somewhat viscid ; flowers 4-cleft, 

 with 4 stamens ; petals inversely heart-shaped, shorter than the 

 taper-pointed calyx, which is nearly as long as the capsule. 

 Four-cleft Mouse-ear Chickweed. 



Hab. Sandy sea-coast. On the Links " at Bamborough," 

 and Holy Island, Winch. Spittal Links, and south, 

 ward. May. 



