1917] Fernald,— Forms of American Gentians 149 
and Long Island and occurring very locally in central New York. No 
New England material of it has been observed. 
To summarize, the three plants which have been so generally con- 
fused in northeastern floras may be sii eseases by the following key: 
n ed at s it; the broader intervening thin prolongations of the 
nous bands forming a fimbriate-dentate border... . . rewstt. 
Corolla with the broad rounded lobes 2-8 mm. long, as broad as or broader 
2-4 cm. broad: calyx. 
ng: corolla 2.5-4 em. 5 ea opening; og sat aioe slightly 
Lesa obsttste tot elliptic, acute or obtuse, not acuminate: involuere of 2-4 
leaves, the outer 3-6.5 cm. long, 0.7-2 cm. broad: calyx-lobes firm, 
linear to oblanceolate, ascending? corolla 3-5 em. long, distinctly nto : 
the rounded to subacute lobes erect................... G. Saponaria 
Further observation of the plants is required before the exact 
distribution in the northeast is known, but at present it may be stat 
as follows: 
GENTIANA ANDREwsII Griseb.— Meadows, prairies, low thickets, 
banks of streams, etc., frequent in the southeastern phigh extending 
locally northward an nd eastward to York, Fronten and Carleton 
Counties, Ontario, “idea and Fhichalage Chiintis Quebec, and 
— pooner 
A Raf.— ug ee of rich woods and thickets, banks of 
aa a me eT etc., locally abundant from Kennebec County, 
County, Rhode Island, otaeiag Connecticut, and locally along the 
mountains to North Caro 
G. Saponarta L.— Clader ‘and sandy swamps of the coastal plain 
and piedmont regions north to Staten Island and Long Island, cui very 
locally inland to Yates County, New York (Sartwell). 
The writer has not seen fresh flowers of either G. Andrewsii or G. 
Saponaria but the fresh flowers of G. clausa are of a decided porcelain- 
blue color quickly changing in age or in drying to a rich blue-violet. 
VII. SOME FORMS OF AMERICAN GENTIANS. 
GENTIANA AMARELLA L. Sp. Pl. i. 230 (1753). G. acuta Michx. FI. 
Bor.-Am. i. 177 (1803). G. plebeja Cham. ex Bunge, Moscou Soc. 
Nat. Hist. Nouv. Mém. i. 250, t. 9, fig. 5 (1824). G. Amarella, var. 
