522 BORAGINACEAE 



N. Y. Frequent on the north side of L. I., apparently unknown 

 from the south side; S. I. ; rare and local in Bronx and Westchester 

 counties, increasing northward. 



N. J. Infrequent in Gloucester, Camden, Burlington, Ocean and 

 Monmouth counties near the Delaware and north and west of 

 the pine-barrens, thence increasing northward. 



Pa. Northampton, Bucks, Delaware and Chester counties. 



Tertiary, o: Cretaceous, rare: Older Formations, increasing 



northward. 117-220 days. Sea level 3,200 ft. 



4. Mertensia Roth. 



1. M. virginica (L.) DC. In low meadows and along streams: 

 Ont. to N. J., S. Car., Minn., Neb. and Kan. Rare. 

 N. Y. Known only from Tuxedo Park, Rockland Co. 

 N. J. Not uncommon in Burlington, Monmouth, Middlesex, 

 Mercer and Somerset counties, especially along the Raritan 

 River, neither in the pine-barrens, nor elsewhere. 

 Pa. Northampton, Bucks, Delaware and Chester counties. 



Tertiary, o: Cretaceous, more common: Older Formations, scat- 

 tered. 175-220 days. About sea level. 



5. Amsinckia Lehm. 



1 . Amsinckia lycopsioides Lehm. Waste and cultivated grounds. 

 Locally introduced in Conn, from the Pacific Coast. 



A. intermedia F. & M. has been found on eastern L. I., pre- 

 sumably as a waif. 



6. Asperugo [Tourn.] L. 

 1. A. procumbens L. In waste places and on ballast: N. Y. to 

 D. C. and Minn. Adventive from Europe. 



Not uncommon as a weed near the larger cities, often wanting. 



7. Myosotis [Dill.] L. 



Hairs of the calyx all straight; perennial swamp or brook plants. 



Calyx-lobes shorter than the tube; corolla 6-8 ram. broad. I. M. scorpoides. 



Calyx-lobes as long as the tube; corolla 4-6 mm. broad. 2. M. laxa. 



Hairs of the calyx, or some of them with hooked tips; annuals or 

 biennials. 

 Fruiting pedicels longer than the calyx. 3. M. arvensis. 



Fruiting pedicels not longer than the calyx. 



Calyx lobes equal. 4. M. versicolor. 



Calyx lobes unequal; corolla white. 5. M. virginica. 



