PLANTS OF ONEIDA COUNTY AND VICINITY. 61 



hirsuta, Scopoli. Hairy Rock-cress. 



Kockv banks. Helderberg mountains, Pearson. Trenton falls, Knieskern. 

 Watertown, N.Y., Gray in herb. Ham. Coll. Along the Black river below 

 Watertown. Bluff point, Yates county, Sartwell. Rare. May, June. 



l^vigata, DC. Smooth Rock-cress. 



Shaded rocks, thickets along -water-courses. Schenectady, Pearson. Cliffs 

 and steeps at Spraker's, Montgomery county; Little falls of the Mohawk; 

 Trenton falls; banks of Fish creek, near the crossing of the Oswego county 

 turnpike. Vienna, Knieskqn. Frequent. May- July. 



CANADENSIS, L. Sickle-pod. 



Rocks, wooded hillsides. Rocks along the College brook, Schenectady, 

 Pearson. Southern tier of counties from Binghamton westward, on dry gra- 

 velly hillsides, rare, Knieskern. Yates county, Sartwell. 



Scarce. June - August. 



TTJKRITIS, Dillenius. . Tower Mustard. 



glabra, L. Smooth Tower-mustard. 



Rocky banks, woods, fields. "Watertown. N.Y., Torrey 4" Gray ; Knieskern 

 in herb. Ham. Coll. Along the north bank of Black river between Water- 

 town and Brownville, among rocks. Dexter, N.Y., Wood in herb. Ham. Coll. 



Scarce. May, June. 



stricta, G-raham. Straight-podded Toiver-mustard. 



Wooded banks of streams. Dexter, N.Y., Wood in herb. Hani. Coll. Wa- 

 tertown, Jefferson county, where it was first found by Crawe. Lebanon, 

 Chenango county, /. S. Douglass, Torrey Fl. N. Y. Along Fish creek near 

 Humaston's, Rome, Vasey. Rare. May. 



BARBAREA, R. Brown. Winter Cress. 



• vulgaris, R+Br. Yellow Rocket. Common Winter-cress. 



Wet grounds, roadsides, ditches, woods. A common weed. All the season. 



ERYSIMUM, L. Treacle Mustard. 



cheiranthoides, L. Wallflower-like Mustard. 



Moist ground, along streams, clefts of rocks. Sparingly in Oriskany along 

 the creek, Vasey. Mohawk flats. Rocks at Chittenango falls. Penn-Yan, 

 Sartwell. Abundant. June - September. 



SISYMBRIUM, L. Hedge Mustard. 



'OFFICINALE, Scopoli. Officinal Hedge-mustard. 



Waste places. ' Very common. The season throughout. 



SIN APIS, Tourn. True Mustard. 



•ARVENSIS, L. Charlock. Wild Mustard. 



Waste places, roadsides, cultivated fields. Common. June - August. 



• NIGRA, L. Black Mustard. 



About gardens and cultivated grounds. Common. May -August. 



DRAB A, L. Whitlow- grass. 



ARABisans, Michx. Arabis-like Draba. 



Ledges, rocks, river-banks. Borders of small lakes in the northern part of 

 the State, Torrey $ Gray. St. Lawrence county, Gray in herb. Ham. Coll. 

 Crevices of rocks at the mouth of Black river, Vasey. Sackett's-harbor, 

 Knieskern in herb. Ham. Coll. Rare. May- June. 



VERNA, L. Whitlow- grass. Early Draba. 



Rocks, hillsides, old fields. Received from Jefferson county, Sartwell. 

 Hackney falls, near Auburn, I. H. Hall. Rare. March - May. 



