DECANDRIA PENTAGYNIA. 2ol 
17. CERASTIUM. ZL. (Mouseear- Chickweed. > 
Calix 5-leaved. Petals 5, bifid or emargin- 
_ ate. Capsule 1-celled, bursting at the summit, 
, 10-toothed. 
P Flowers terminal; stamina sometimes ‘5,and $3 styles; 
capsule subcylindric, or roundish. Stefis with an elastic 
centre. 
Species, 1.C. yulgatum. 2- wiscasum. 3. semidecan- 
iitum. 4. * glutinosum. — Softly pubescent and viscid, 
erect; leaves elongated, distant, linear-oblong, acute; pe- 
tals oblong, bifid at the point, longer than the calix; pe. 
duncles at Jength much longer than the flowers, at first. 
shorter. Has. Oa the banks of the Schuylkill near. Phi- 
jadelphia. A very distinct and truly indigenous species. - 
Oxs. Annual. Siéms nearly simple and erect, several 
from the same root often a foot high, reurarkably viscid 
: above. Radical leaves spathulate, all rather aetute, Cau. — 
“ee line subamplexicaule, tinear-oblong, sublanceolate, plaited ~ 
' at the point, often 2 inches long, and only lines bread. ~ 
: ~ flowers terminal, subpaniculate; petals _ttear-oblong. 
Stamina 10, 5 alternately longer. Styles 5, snort. Cap- 
‘saute double the length of the calix, 10- ‘toothed, oblony- 
cylindric, teeth acuminate, 
5. arvense. 6. tenuifolium, 7. elongatum. PH. 
ee : An European genus. 
313 AGROSTEMMA. L. (Corn Cockle.) © 
Caliz t-leaved, tubulous, coriaceous, summit 
5-cleft. Petals 5, unguiculate; lim) obtuse, and 
undivided. Capa 1 celled agnsth a 5- toothed 
opening, 
Flowers ere Petals in 2. Clay deagee ae ne. = 
ked; the rest have emarginate petals, and am 1 appendicu- 
ie a 1 A. ssa Naturalized in corn fields 
as in Europe. ‘ : 
319. LYCHNIS. Ee : ey 
~ Calia tubulous, 5 -toothed. Petals 5, ungui- 
ae ulate: limb subbifid. Capsule 1 to 5 ed, 
with a 5-toothed opening. ee 
A genus of various habit and scarcely f 
_ festigute. rye = tes paniculate, or —_ Z 
5 ee # 
