314 NYMPHAEACEAE 



6. Saponaria L. 

 1 . S. officinalis L. Roadsides and waste places : common through- 

 out E. N. Am. Naturalized from Europe. 

 Locally abundant as a weed. 

 S. ocymoides L. has been recorded as a waif. 



7. Vaccaria Medic. 



1. V. Vaccaria (L.) Britton. In waste places: Ont. to B. Col., 



Fla. and La. Also in the Rocky Mts. Naturalized from 

 Europe. 

 Locally common as a weed. 



8. Dianthus L. 



Annuals; flowers clustered. 



Bracts broad, ovate, scarious. 1. D. prolifer. 



Bracts narrow, lanceolate-subulate, herbaceous. 2. D. Armeria. 

 Perennials. 



Flowers solitary; leaves linear. 3. D. deltoides. 



Flowers clustered; leaves lanceolate. 4. D. barbatus. 



i. D. prolifer L. In waste places and on ballast: S. N. Y. to 

 Del. and Ohio. Fugitive from Europe. 



A rare and local escape, near N. Y., on L. I. and near Philadel- 

 phia. Not recently collected. 



2. D. Armeria L. In fields and along roadsides: Me. to S. Ont., 



Mich, and Va. Naturalized from Eu. 



Common or frequent throughout our area as a roadside weed. 



3. D. deltoides L. In waste places: Conn, and E. Mass. to 



northern N. Y. and Mich. Adventive from Europe. 



Rare and local as field weed in northern Conn, and in Delaware 

 Co., N. Y.; also near Philadelphia. 



4. D. barbatus L. In waste places: Eastern and Middle States. 



Native of Europe. 



Rather rare as an occasional escape from gardens in most parts of 

 our range. 



NYMPHAEACEAE* 



Sepals and petals 3; stamens 6. I. Brasenia. 



Sepals 4-6; petals numerous. 



Carpels numerous (8-30) united into a compound pistil; ovules 

 numerous. 

 * See footnote, page 76. 



