AND VICINITY. V 



hirsuta, Scopoli. Hairy Rock-cress. 



Rocky 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. 



Laevigata, DC. Sviooth 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, Knieskern. 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. 



TURRITIS, Dillenius. Toioer Mustard. 



glabra, L. Smooth Tower-mustard. 



Rocky banks, woods, fields. Watertown. N.Y., Torrey fy 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, Graham. Straight-podded Tower-mustard. 



Wooded hanks of streams. Dexter, N.Y., Wood in herb. Ham. Coll. Wa- 

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

 Chenango county, J. 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. 



SINAPIS, Tourn. True Mustard. 



ARVENSIS, L. Charlock. Wild MiLStard. 



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 month 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, J. H. Hall. Rare. March - May. 



