GENTIANACEAE 505 



Corolla-lobes none or minute, the plaits very broad. 2. D. Andrcwsii. 



Margins of leaves and calyx-lobes smooth or nearly so. 



Flowers clustered, sessile, 2 bracteolate under the calyx. 

 Seeds winged. 



Corolla-lobes twice as long as the plaits; leaves 



broad, acuminate; flowers yellowish. 3. D.flavida. 



Corolla-lobes only a little longer than the plaits; 



leaves narrow; flowers blue. 4. D. linearis. 



Seeds completely marginless; corolla-lobes much 



longer than the plaits, greenish white. 5. D. villosa. 



Flowers solitary, peduncled, not bracteolate; leaves linear. 6. D. Porphyria. 



i. D. Saponaria (L.) Small (Gentiana Saponaria L.) In wet soil: 



Ont. to Minn., Conn., Fla. and La. 



Conn. Not definitely known from the state; reported but prob- 

 ably erroneously. 



N. Y. Common on the south side of L. I., and at Queens; common 

 on S. I.; unknown elsewhere. 



N. J. Rare and local in Bergen, Essex, Morris and Hunterdon 

 counties, thence increasing and becoming common southward, 

 but wanting in the pine-barrens. 



Pa. Montgomery, Bucks, Delaware and Chester counties, all the 

 stations near the " fall line." 



Tertiary, unknown on Beacon Hill, common elsewhere: Cre- 

 taceous, common: Older Formations, rare and scattered. 162-220 



days. About sea level. 



2. D. Andrewsii (Griseb.) Small. (G. Andrewsii Griseb.). In 



moist soil: Que. to the N. W. Terr., Ga. and Mo. 



Conn. Throughout the state. 



N. Y. Not rare along the north side of L. I. and on S. I., thence 



increasing northward; rare on the coastal plain region of L. I. 

 N. J. Throughout the state, decreasing southward and wanting 



in the pine-barrens, but found, rather rarely, near Cape May. 

 Pa. Throughout, increasing northward. 



Tertiary, wanting on Beacon Hill, rare elsewhere: Cretaceous, 

 rare and scattered: Older Formations, increasing northward. 

 117-220 days. Sea level-3,980 ft. 



3. D. flavida (A. Gray) Britton. In moist soil : Ont. to Va., Minn, 

 and Ky. 



Known in our area only as reported in Porter's Flora of Pa. from 

 Bucks and Lehigh counties, Pa.; not seen by me. 



4. D. linearis (Froel.) Britton. In bogs and on mountains: N. B. 



and Ont. *o Aid. 



