Vor. II.] GENTIAN FAMILY. 615 
6. Gentiana quinquefolia L. Stiff Gentian. Ague-weed. (Fig. 2871.) 
Gentiana quinguefolia L,. Sp. Pl. 230. 1753. 
Gentiana quinguefiora Lam. Encycl. 2: 643. 1786. 
Annual; stem ridged, uSually branched, 2/-2° 
high, quadrangular. Basal leaves spatulate, obtuse, 
those of the stem ovate, acute at the apex, clasping 
and subcordate or rounded at the base, 3-7-nerved, 
44/-2/ long; flowers in clusters of 1-7 at the ends 
of the branches, or also axillary; pedicels slender, 
2//-7/’ long; calyx one-fourth to one-third the 
length of the corolla, its lobes narrow, or sometimes 
foliaceous, acute; corolla tubular-funnelform, blue, 
its lobes triangular, very acute, entire, not crested at 
the base; capsule stipitate; seeds globose, wingless. 
In dry or moist soil, Maine and Ontario to Michigan, 
south to Florida and Missouri. Ascends to 6300 ft. in 
North Carolina. Aug.—Oct. 
Gentiana quinquefdlia occidentalis (A. Gray) A. S. Hitch- 
cock, Trans. St. Louis Acad. 5: 508. 1891. 
Gentiana quinqueflora var. occidentalis A. Gray, Man. 
359- 1545. 
Ueually taller and paniculately branched; corolla 
more broadly funnelform; calyx-lobes foliaceous, reach- 
ing to the middle of the corolla. Ohio to Minnesota, 
south to Tennessee and Louisiana. 
7. Gentiana affinis Griseb. Oblong-leaved 
Gentian. (Fig. 2872.) 
Gentiana affints Griseb. in Hook. FI. Bor. Am. 2:56. 1834. 
Perennial; stems clustered from deep roots, min- 
utely puberulent, simple, 6/-18’ high. Leaves linear- 
oblong to lanceolate-oblong, obtuse or acutish, 
rounded or narrowed at the base, firm, roughish-mar- 
gined, indistinctly nerved, %/-114’ long, the floral 
smaller; flowers few, numerous, or rarely single, 5- 
parted, sessile and solitary or clustered in the axils 
of the upper leaves, about 1’ high, not bracted under 
the calyx; calyx-lobes linear or subulate, unequal, 
the longer about equalling the tube, the smaller some- 
times minute; corolla narrowly funnelform, blue, its 
lobes ovate, acute or mucronate, entire, spreading, 
with laciniate appendages in the sinuses; anthers 
separate; seeds broadly winged. 
In moist soil, Minnesota to British Columbia, south in 
the Rocky Mountains to New Mexico, and in the Sjerra 
Nevada. Aug.—Oct. 
8. Gentiana pubérula Michx. Downy 
Gentian. (Fig. 2873.) 
Gentiana puberula Michx. Fl. Bor. Am. 1: 176. 1803. 
Perennial; stems usually solitary, leafy, 8/-18/ 
high, minutely puberulent, or glabrous, nearly 
terete. Leaves firm, lanceolate, or the lower ob- 
long, roughish-margined, indistinctly nerved, pale 
beneath, narrowed or rounded at the base, 1/-3/ 
long; flowers sessile or nearly so in the upper 
axils, rarely solitary and terminal, 2-bracteolate 
under the calyx, 1%4/-2/ high; calyx-lobes linear- 
lanceolate, equal, about as long as the tube, rough; 
corolla campanulate-funnelform, 2-3-times as long 
as the calyx, its lobes ovate, entire, spreading, 
much longer than the cleft or laciniate appendages; 
anthers at first connivent, soon separate; seeds ob- 
long, broadly winged. 
_On prairies, Ohio to the Northwest§Territory, Geor- 
gia and Kansas. Aug.-Oct. 
