MONADELPIHA. DECANDRIA. 57 



310. Lkpidium. L. Pepper-wort. 



Virginicum. L. Sandy fields. ©. June; — Oct. white. 



SILIQUOSA. 



311. Dent aria. L. Toothwort. 

 l laciniata. Willd. 



concatenata. Mx. 

 On the hills at Hoboken. u April 23d — May. purple. 



312. Cardamine. L. American writer cress. 



1 Virginica. L. On rocks in Bloomingdale woods. U- 



May — Juno, white. 



2 Pennsylvania. Willd. (Pennsijlv anion wafer cress. J — 



Ditches and overflowed grounds. 2f. May — July. 

 white. 



313. Sisymbrium. L. Watercress. 

 amphibium. L. In overflowed and low boggy grounds.. 



JJellcvue. 11' June, yellow. 



314. Erysimium. L. Hedge mustard. 



officinale. L. Old fields and road sides. ©. June — 

 Oct. yellow. 

 S15. Ak.viiis. L. Watt cress. False tower-mustard. 



1 thaliana. Willd. On the sides of rocky hills. Hoboken. 



©. June, white. 



2 lyrata. L. Rocks ahout Bergen. <S>. April — July. 



white. 



3 hastata. 

 pendula. Nutt. ? 

 Turrilis laevigata. Willd. 



On rocky hills, in shady situations. %. June, white. 



4 falcata. Mx. 

 Canadensis. L. 



Hills among rocks. Manhattanville and Hoboken. 11. 

 June, white. 



5 bulbosa. Mubl. Cat. ("Spring cresses. J 

 rnomboidea. Pers. 



fn low wet grounds, if. May, June, white. 



6 hirsuta. Brown. 

 Turritis hirsuta. Willd. 



ovata. Ph. ? 

 On the sides of hills. % . ? hnu\ July — white. 

 316. Sinapis. L. Mustard. 



nigra. Sin. Infields, o. July — Oct. yellow. §. 



DECANDRIA. 



Sir. Geranium. L. CranesbUL 



l maculatum. L. ( Crow-foot. Mum-root J Woods and 

 among bushes, u. May 5th, July, purple. 

 >l * 



