10 
Sisymbrium, (continued.) 
teres, Torr. and Gray. Cardamine teres, Michx. Lake Cham- 
plain, Michaux. I have only seen this plant in 
Michaux’s herbarium. 
Erysimum, L. 
cheiranthoides, L. Along streams. Western part of the State, 
SiNAPis, L. Mustard. 
nigra, L. {Black Mustard.) Fields and waste places. Intro¬ 
duced. June, August. 
arvensis, L. Alluvial and rich soils. Abundant in the western 
and northern parts of the State. June, August.. 
A troublesome weed. Introduced. 
Dbaba, L. Whitlow-grass. 
arabisans, Michx. Rocks. Northern part of the State. June, 
Caroliniana, Walt. Sandy fields. April, June. Rare. 
verna, L. Fields and hill sides. March, April, 
Camelina, L. 
sativa, Crantz. {Wild Flax.) Fields and cultivated grounds. 
Introduced. May, June. 
Thlaspi, L. 
arvense, L. Fields. Rare. Introduced. 
Lepidium, L. Pepper-grass. 
campestre, R. Br. Waste places. Introduced. June, July, 
Virginicum, L. Fields and road sides. June, August. 
Capsella, Vent. 
bursa-pastoris, Broench. {Shepherd?s Purse.) Common in fields. 
Introduced. 
Cakile, D. C. 
maritima, Sc(yp. {Sea Rocket.) Sea coast, and in the Harbor of 
New-York. 
Order XIII. C APR ARID ACE^E. The Caper Tribe. 
POLANESIA, Raf. 
graveolens, Raf. Banks of the Hudson, and Lakes Champlain 
and Ontario. June, August. 
