CARYOPHYLLACEAE 87 



1. AGROSTEMMA L. 



Calyx lobes long and foliaceous, its tube 10-ribbed. Petals emarginate. 

 Stamens 10. 



1. A. Githago L. Corn Cockle. Annual, 1°-3° higb, densely liairy: 

 leaves linear-lanceolate : petals red.— Along railroads and in wheat fields. 

 Eather rare. July-September. 



2. SILENE L. 



Calyx 5-tootbed, 10-many-nerved. Stamens 10. Petals clawed. Pod 

 opening by 3 or 6 apical teeth. 

 Leaves in fours. 1- ^- «'«"«'«• 



^ Petals p^nk!^' 2. S antirrhina. 



Petals white. ^- ^- nocUflora. 



1. S. stellata (L.) Ait. Staery Cabipion. n°-3l° high, minutely 

 pubescent : leaves ovate-lanceolate : flowers in large terminal panicles : 

 petals white, fringed : flowers 9'^ broad.— Rather common in dry woods 

 throughout. June-July. 



2. S. antirrhina L. Sleepy Catch-fly. 6^-30' high, glabrous, but' 

 glutinous between the joints : leaves linear-lanceolate : flowers small, in 

 a terminal panicle : petals obeordate, opening in sunshine.— Common on 

 open rocky hillsides. April-June. 



Var. divaricata Robinson. Very slender and weak : leaves linear : 

 branches filiform : petals none.— In moist rocky woods throughout but 

 less common than the species. 



3. S. noctiflora L. Night-flowering Catch-fly. 2°-3° high, 

 viscid hairy : leaves oblauceolate : flowers large : petals two-cleft.— 

 Waste places in Kansas City and Independence and near Wayne City. 



Rare. 



3. LYCHNIS L. 



Calyx 5-toothed, 10-nerved. Stamens 10. Pod opening by about 10 

 apical teeth. 



1. L. alba Mill. White Campion. 1°-2° high, viscid-pubescent : 

 leaves ovate-lanceolate : flowers loosely paniculate : petals white, 2-cleft. 

 —Waste places in Kansas City. Rare. June-October. 



4. SAPONARIA L. 



Calyx 5-toothed, obscurely nerved. Stamens 10. Petals appendaged 

 at base of blade. Capsule opening by four apical teeth. 



1. S. officinalis L. Bouncing Bet. A glabrous perennial, l°-2° 

 high : leaves ovate-lanceolate : flowers pinkish, in dense corymbed leafy 

 clusters.— Locally common along streets and railroads. 



5. VACCARIA Medic. 

 Calyx sharply 5-angled in fruit : petals not appendaged at base of 

 blade. Otherwise as in Sajmnayia. 



