304 



ALSINACEAE 



Reported, so far as our range is concerned, only from Northamp- 

 ton, Delaware and Philadelphia counties, Pa. Apparently known 

 mostly from regions of garnetiferous schists. 



2. Anychia Michx. 



Pubescent; flowers sessile; stems mostly prostrate or ascending. 

 Glabrous or nearly so; flowers pedicelled; stem usually erect. 



i. A. polygon a ides 

 2. A. canadensis. 



i. A. polygonoides Raf. In dry woods, thickets and open places: 

 Me. to Minn., Fla., Ala. and Ark. 

 Conn. Near Norwalk. 

 N. Y. The north side of L. I. and on S. I. 

 N. J. Frequent or common throughout the northern counties, 



rare southward. 

 Pa. Northampton, Berks, and Montgomery counties. 



2. A. canadensis (L.) B. S. P. In dry woods: N. E. to Fla., 

 west to Minn, and Ark. 



Common throughout the range, except in the pine barrens of 

 N. J. and L. I., there rare and local or wanting. 



3. Scleranthus L. 



1. S. annuus L. In fields and waste places, or on dry rocks: 

 Quebec and Ont. to Pa. and Fla. Naturalized from 

 Europe. 



Locally abundant as a weed, often lacking. 

 Corrigiola liltoralis L. has been collected near Jersey City. It is a mere waif. 



ALSINACEAE 



Styles separate to the base; stipules wanting. 



Plants not fleshy; disc of the flower inconspicuous or none. 

 Petals deeply 2-cleft or 2-parted. 



Capsule ovoid or oblong, dehiscent by valves. I. Alsine. 



Capsule cylindric, commonly curved, dehiscent by teeth. 2. Cerastium. 

 Petals entire or emarginate, rarely none. 



Styles as many as the sepals. 3. Sagina. 



Styles fewer than the sepals. 



Seeds not appendaged. 4- Arenaria. 



Seeds appendaged. 5- Moehringia. 



Plant fleshy, maritime; disc conspicuous, 8-10 lobed. 6. Honkenya. 



Styles separate to the base; stipules present, scarious. 



Styles and capsule-valves 5. 7- Spergula. 



Styles and capsule-valves 3. 8. Tissa. 



