14 



1 . amara Mx. Bitter Nut. 

 . 2. porcina Mx. fil. Pig Nut. 

 3 squamosa Mx. fil. Shag Walnut 



75 Cassia L. 4 



1. chamaecrisla L. Patridge Pea. Connecticut. 



2 marilandica Li Wild Senna. 



3 nictitans L. Hadley Meadows. 



76 Castanea. Tourn. 



1 americana Mx. Chesnut. 



77 Caulophyllum Mx. 



1 thalictroides Mx. Poppoose Root. 



78 Ceanothus L. 



1 americanus L. New Jersey Tea. 



79 Celastrus L. 



1 scandens L. False Bittersweet. 



80 Celtis L. 



1 occidentalis L. Nettle Tree. Sugar Loaf. 



81 Centaurea L. 



§ 1 nigra L. Hardwick. 



82 Cephalanthus L. 



1 occidentalalis L. Button Bush. 



83 Cerastium L. 



1 oblongifolium. Torrey — Mountains in Mass. Dewey. 



2 tenuifolium Ph. 



3 vulgatum L. Chickweed. 



84 Chara L. In ponds. 



1 flexilis W. 



2 foliosa W. 



3 vulgaris L. Feather Beds. 



85 Chelidonum L. 



1 majus W. Celandine. 



86 Chelone L. 



1 glabra L. Snake Head. 



87 Chenopodium L. 



1 album L. Pig Weed. 



2 botrys L. Oak of Jerusalem. 



