414 GERANIACEAE 



Conn. Throughout the state, rare eastward, increasing westward 

 and northward. 



N. Y. Rare on L. I. and S. I., locally increasing northward par- 

 ticularly in the Catskills. 



N. J. Rare along the coast in Cape May, Atlantic and Ocean 

 counties, not inland in either county; rare and local throughout 

 Monmouth and Middlesex counties, thence increasing and 

 locally common northward. 



Pa. Throughout the area. 



Tertiary, rare near the coast of N. J. and not on Beacon Hill: 



Cretaceous, scattered: Older Formations, increasing northward. 



123-220 days. Sea level-2,800 ft. 



2. Geranium [Tourn.] L. 



Plants annual or biennial. 



Peduncle terminated by a single pedicel. I. G. sibiricum. 



Peduncle terminated by a pair of pedicels. 



Seeds smooth; sepals without subulate tips. 



Carpels bodies wrinkled. 2. G. molle. 



Carpel bodies pubescent. 3. G. pus-ilium. 



Seeds reticulated or pitted; sepals subulate-tipped. 



Sepal-tips less than I mm. long. 4. G. rotundifolium. 



Sepal-tips 1-2 mm. long. 



Style-beak and branches less than 3 mm. 

 long. 

 Seeds pitted. 5. G. dissectum. 



Seeds reticulated. 6. G. carolinianum. 



Style-beak and branches more than 4 mm. 

 long. 

 Peduncles appressed pubescent. 7. G. cohimbinum. 



Peduncles glandular villous. 8. G. Bicknellii. 



Plant perennial. 9. G. maculatum. 



i. G. sibiricum L. In waste places: N. Y., 111., Pa. and Cal. 

 Naturalized from Asia. 



Rare as an adventive weed near New York City, and reported 

 from Delaware Co., Pa. 



2. G. molle L. In waste places: Me. to B. Col., N. Car. and 



Ohio. Naturalized from Europe. 

 Rare as a roadside weed. 



3. G. pusillum Burm. f. In waste places and along roadsides: 



Ont. to B. Col., south to Va., Neb. and Utah. Naturalized 

 from Europe. 



Local as a weed in most parts of our range, except the pine- 

 barrens. 



