204 Class XIX. Order IV. 



239. COREOPSIS. 

 COREOPSIS TRICHOSPERMA. Mich. Tickseed Sunflower. 



Leaves mostly five pinnate, leafets lanceolate, 

 remotely cut-serrate ; leafets of the outer calyx cil- 

 iate ; ray entire ; seeds wedge form. Mich. abr. 



Stem about two feet high, glabrous. Leaves glabrous, pin- 

 nate. Leafets five or seven, distant, linear-lanceolate, ending iij 

 a long, slender point, furnished with a few deep serraturcs or 

 segments, the larger ones pinnatifid. The branches and leaves 

 are opposite, the upper ones alternate. Flowers large, erect, yel- 

 low. Outer calyx leaves about eight, oblong, rounded at the 

 end and fringed with setaceous teeth at the edge. Florets of 

 the ray large, entire. On the east side of Fresh Pond. Sep- 

 tember. 



NECESSARM. 



240. IVA. 

 IVA FRUTESCENS. L. High Water shrub. 



Leaves lanceolate, rough, with dots, deeply ser- 

 rate ; stem shrubby. Willd. 



A fleshy shrub, about the borders of salt marshes. Annual 

 shoots erect, furrowed. Branches axillary, or a little above the 

 leaves. Leaves ovate-lanceolate, serrate, three nerved, some- 

 what rough, upper ones entire. Flowers in a sort of leafy ra= 

 cemes, small, drooping, green, without beauty. 



