1052 GENTIANACEAE 
thiekets, and meadows, various provinces, Coastal Plain only N, Ga. to N. D. 
and Que.—F all. 
6. GENTIANELLA Moench. Annual, biennial, or perennial herbs. Flowers 
solitary or in open or contracted. cymes, the whorls of 4 parts each, or some- 
times of 5 parts. Calyx relatively small: lobes essentially equal or the outer 
ones broader than the inner. Corolla blue or pale bluish-purple, funnelform 
or salverform: lobes shorter than the tube, with plaits in the sinuses, but often 
filamentose at the base.—Numerous species of wide geographic distribution. 
Calyx-lobes shorter than the tube: corolla-lobes ovate. 1. e: quinquefolia. 
Calyx-lobes longer than the tube: corolla-lobes lanceolate. 2. occidentalis. 
1. G. quinquefolia (L.) Small. Stem 1—11 dm. tall, mostly branched, 4- -winged; 
MER ovate to lanceolate, 2-3 cm. net partly clasping ; 'calyx- -lobes 
spatulate, 2-3 mm. long: corolla blue 
Sidi s 18-20 mm. long: eats abont 
m. lon 
14 m ng. [Gentiana qunquefior d 
—( Gur WE. Ere — Rich 
s or moist ealeareous soil, various prov- 
wo 
V E Coastal Plain, Fla. to Mo., 
Mich., Ont., and Me. — Sum .& fall. 
2. E: Mete and (A. Gray) m ane 
to the preceding species in rs 
larger RH bes ded Or eur Janceo: 
11 rolla s 24 
ee pale- us "capsule fully 15 En "e 
—Moist soil, various provinces, Miss. to La. - 
Minn., and 'Ohio.—Sum.-fall. 
7. DASYSTEPHANA Adans. Annual, biennial, or perennial herbs. 
Flowers in a compact terminal cyme and axillary cymes or solitary, the whorls . 
mainly of 5 parts each. lyx persistent: lobes minute or foliaceous, more or 
less unequal. Corolla 'funnelform or clavate, with neither glands at the base 
of the tube nor filaments at the base of the lobes: lobes much shorter than the 
tube, with plaits at the sinuses. Stigmas narrow. Capsule cca —About 
T5 ees natives of the north temperate zone.—Fall.—GENTIAN 
Flowers sessile, clustered: corolla-lobes shorter than the plaits in their sinuses or 
I. 
decidedly longer, erect, ascending, or converging. LATIFOLIAE. 
Flowers pedicelled, solitary : eorolla-lobes much longer than the 
plaits, spreading, or reflexed. II. ANGUSTIFOLIAE. 
I, LATIFOLIAE 
Corolla open funnelform: anthers separate. 1. D. puberula. 
Corolla eee to clavate: anthers cohering in 
ng 
Corol la blue 
Corolla-lobes Jarger and ee (only slightly so in D. 
Saponaria) than the plaits 
Corolla-lobes decidedly longer than the plaits:. stem 
escent. 
alyx-tube gl 
eaf-blades round subcordate at the base: 
corolla-plaits with 2 unequal fimbriate lob 2. D. parvifolia. 
ea at the base corolla- 
plaits with 2 equal, nearly entire lobes. 3. D. latifolia, 
Calyx-tube pubescent. 4, D. decora 
Corpila lobes slightly longer than the plaits: stem 
labro 5. D. Saponaria. 
Corolls-lobes - very small, mostly smaller and shorter 
than the plaits. 6. D. Andrews. 
