VAHYOFEYLLACEAK. 137 



Family 5. AIZOACEAE A. V,\. Carpet-weed Family. 



Fleshy sea-coast herbs ; leaves opposite ; capsule circuiiiseissile. 1. Hesuviuvx. 

 Not fleshy; leaves in our species verticillate ; capsule 3-valved. 2. Mollugo. 



i 



1. SESUVIUM L. 



1. Sesuvium makitimum (Walt.) B. S. P. Sea Purslane. M. p. 384. 

 Sands of the seashore. Summer. 



2. MOLLUGO L. 

 1. Mollugo verticillata L. Carpet-weed. M. p. 384. Waste places and 

 cultivated grounds. Summer. 



Family 6. PORTULACAOEAE lleichenb. Purslane Family. 



Calyx free from the ovary; capsule 3-valved. 



Seeds numerous; stamens 10-30. 1. Talinum. 



Seeds not more than 6; stamens 2-5. 2. Claytonia.. 



Calyx partly adnate to the ovary; capsule circumscissile. 3. Portulaca^ 



, ^1 f ■ i 

 1. TALINUM Adans. '' "^' '^ 



1. Talinum teretifolium Pursh. Fame Flower. M. p. 385. Serpentine 

 barrens. Summer. 

 Z>eZou'are — Marple, Dr. Geo. Smith (B. Sm.). Chester — Westtov^n, 

 West Chester (Me.) (Pr.), West Bradford Twp. (St.). Lancaster— New 

 Texas (Ca.). 



2. CLAYTONIA L. 



1. Claytonia Virginica L. Spring Beauty. M. p. 385. Moist woods. 

 Spring. 



3. POKTULACA L. 



Glabrous throughout; flowers small, yellow. 1. P. oleracea. 



Pilose pubescent, especially in the axils. 2. P. pilosa. 



1. Portulaca oleracea L. Purslane. M. p. 386. Cultivated and waste 



grounds. Summer. 



2. Portulaca pilosa L. M. p. 386. Ballast. Summer. 



Camden — Camden (He.). 



Family 7. CARYOPHYLLACEAE Keichenb. Pink Family. 



*Calyx of united sepals, tubular or ovoid. 



Calyx-ribs at least twice as many as the teeth, running both into the 

 teeth and into the sinuses. 

 Styles 5, alternate with the foliaceous calyx-teeth. 1. Agrostemma. 

 Styles 3, rarely 4. 2. Silene. 



Styles 5 and opposite the short calyx-teeth, capsule l-(Jelled to 

 base. 3. Lychnis. 



Calyx 5-ribbed, 5-nerved, or nerveless, or striate-nerved. 



Petals appendaged at the base of the blade. 4. Saponaria. 



Petals not appendaged at the base of the blade. 



Calyx strongly 5-angled, not bracteolate. 5. Faccaria. 



Calyx terete or nearly so, subtended by bractlets. 



6. Bianthus. 



