gentianacEjE. (gentian family.) 359 
out crown or plaited folds , the lobes naked : anthers separate, versa¬ 
tile : pod stalked : seeds wingless: annuals. 
1. G. quiliqueflora, Lam. (Five-flowered Gentian.) 
Stem rather slender, branching (1° high); leaves ovate-lanceolate 
from a partly clasping and heart-shaped base, 3-7-nerved, tipped 
with a minute point; branches racemed or panicled, about 5-flowered 
at the summit; lobes of the small 5-cleft calyx awl-shaped-linear; 
lobes of the pale blue corolla triangular-ovate, bristle-pointed; one 
fourth the length of the slender obconical tube. — Var. occidentA- 
lis has linear-lanceolate calyx-lobes which are more leaf-like, and 
about half the length of the corolla. — Dry hilly woods, Vermont to 
Penn., and the var. through the Western States. Aug., Sept. — Co¬ 
rolla light purplish-blue, nearly V long, in the variety proportionally 
shorter. 
§ 2. Crossopetalum, Froel. — Corolla funnel-form, gland-bearing 
between the bases of the filaments , loithout crown or plaited folds , the 
lobes f ringed or toothed on the margins: anthers separate and versa¬ 
tile : pod somewhat stalked : seeds icingless, clothed icith little scales : 
annuals or biennials. 
2. G* crinita, Froel. (Fringed Gentian ) Flowers solitary 
on long peduncles terminating the stem or simple branches; leaves 
lanceolate or ovate-lanceolate from a partly heart-shaped or rounded 
base; lobes of the 4-cleft calyx unequal, ovate and lanceolate, as long 
as the bell-shaped tube of the sky-blue corolla, the lobes of which 
are wedge-obovate , and strongly fringed around the summit; ovary 
lanceolate .— Low grounds, N. England to Michigan, rather common. 
Sept. —Plant l°-2° high : the showy corolla 2' long. 
3. G. detonsa, Fries. (Smaller Fringed Gentian.) Stem 
simple, or with slender branches, terminated by solitary flowers on 
very long peduncles; leaves linearpr lanceolate-linear; lobes of the 
4- (rarely 5-) cleft calyx unequal, ovate or triangular and lanceolate, 
pointed; lobes of the sky-blue corolla spatulate-oblong, with ciliate- 
fringed margins, the fringe shorter or nearly obsolete at the summit ; 
ovary elliptical or obovate. — Moist grounds, Niagara Falls to Wiscon¬ 
sin ( Lapham ), and northward. Sept. — Resembles the last. 
§ 3. Pneumonanthe, Necker. — Corolla bell-shaped or obconical , 5- 
lobcd, with plaited folds ichich project into appendages in the sinuses : 
anthers erect , often converging or cohering with each other : pod 
finally stalked : seeds commonly winged: perennials. 
* Flowers nearly sessile, clustered , rarely solitary, 2-bracteolate. 
4. G« Pneumoitantlie, L. (Marsh Gentian.) Stem slen¬ 
der, erect; flowers terminal and axillary, sometimes solitary; leaves 
linear , obtuse , nearly smooth ; calyx-lobes linear, about the length 
of the tube and half the length of the tube of the corolla; lobes of 
the club-shaped-funnel-form open (deep blue) corolla ovate, com- 
