436 REPORT OF NEW JERSEY STATE MUSEUM. 



dd. Styles 3, flowers white or pink. 



e. Calyx not inflated at flow-ering time. 



f. Plant pubescent and viscid ; flowers large, white, 

 blooming at night. [Sileiie noctifloraY 



ff. Stem with a portion of each joint glutinous, otherwise 

 nearly glabrous, flowers small, pink, blooming tran- 

 siently in sunshine. S. aiitirrhina, p. 438 

 ///. Plant more or less viscid — pubescent, flowers 20-30 

 mm. broad. 



g. 3-6 dm. high, flowers crimson. .?. virginica, p. 437 

 gg. 1-2.5 dm. high, flowers pink. S. caroliniana, p. 437 

 ee. Calyx bladdery-inflated, flowers white. 



d. Petals fringed. S. stellata, p. 437 



dd. Petals, two-cleft. [5". latifolia]* 



cc. Obscurely-nerved, terete or five-angled, flowers white, tinged with 



pink. [Saponaria officinalisY 



aa. Sepals distinct or nearly so, low herbs with white or red petals or none. 



b. Fruit a dehiscing capsule. 



c. Stipules present, flowers pink-red. 



d. Plants fleshy, stipules ovate or deltoid. Tissa marina, p. 442 

 dd. Plants not fleshy, stipules lanceolate. [Tissa rubral 



cc. Stipules none. 



d. Plants fleshy, forming dense mats on the seashore. 



Ammodenia, p. 441 

 dd. Plants not fleshy. 

 e. Petals two-cleft. 



/. Cleft nearly to the base, styler 3. 



g. Stems and flower stalks glabrous. 

 h. Petals shorter than the sepals. 



Alsine uliginosa, p. 438 

 /;/;. Petals longer than the sepals. 



A. longifolia, p. 438 

 gg. Stems and flower stalks pubescent. 



[A. mcdiay 

 ff. Petals cut half-w-ay, styles 5 or 4. 



g. Petals much longer than the sepals. 



Cerastiiini arvense, p. 439 

 gg. Petals about equaling the sepals. 



h. Pedicels not longer than the sepals, flowers 

 glomerate. [C. viscosnmY 



hh. Pedicels at length longer than the sepals, 

 flowers cymose. 



■ i. Perennial, tufted. [C vulgatnmY 



^ Night-flowering Catchfly, occasional in waste ground. 



* Bladder Campion, occasional in waste ground. 

 ° Bouncing Bet. Very common roadside weed. 



° Purple Sand Spurry, a weed especially on the coast. 



' Common Chickweed. This and the next two familiar garden weeds. 



* Mouse-ear chickweed. 



° Larger Mouse-ear Chickweed. 



