1200 RHINANTHACEAE 
Corola purple throughout: sterile filament white rarely 
AAA -tipped : pum manifestly ciliolate : leaf. blades rather 
thin. and deep-gre 4. C. obliqua. 
II. SESSILES 
Tall plant with leaf-blades rounded to the stem. 5. C. Cuthberti. 
III. PETIOLATAE 
Low plant with wide-spreading ample leaf-blades. 6. C. Lyoni. 
C. glabra L. m 8-16 dm. tall: leaf-blades 7-15 cm. long, lanceolate 
to epic’ lanceolate G or linear-lanceolate and the spikes usually much a d 
nd $S 
r elliptie- -oval, rounded: sepals 
7—10 mm. long, elliptic or widely elliptic, 
brae braetl 
ally d 
greenish- E CIR Ro that = 
slightly or not at all 
tendency to more 
ish beard and w the lateral mar gin 
to % the ang of the E ones: eapsule 10—12 mm. iota wamps 
and along streams, Piedmont and more northern provinces, Ga. to Minn. and 
Newf.—Fall. 
2. C. chlorantha Pennell & Wherry. Stem 9-15 dm. tall: leaf-blades 9—18 
em. long, eoe to elliptic-ovate, sharply dentate- serrate, glabr e 
nate, 
mus slightly glaucous bin eath, a acumin at base cuneately narrowed t 
E Sike [^ ming elongat , the flowers ipis M s ae e. 
pa long, oval or ellipiie ie, b ue or rounded: sepals ong, elliptic, 
obtuse or rounded: bracts, e oen and sepals ee alte the sepals 
with narrow scarious margin: corolla 23-28 mm. long, proxim ally’ o the 
Ede lip with pale-yellow Bla nd with the lateral margin uch de- 
cre sterile filament 144 to % the perm of the polleniferous ones: nupta 
een.—Swamps and along streams, Blue Ridge and adj. Piedmont, N. C.— 
Fal 
3. C. montana (Raf.) Pennell & Wherry. Stem 6-12 dm. tall: leaf-blades 
9-18 em. long, lanceolate (or elliptic or elliptic-oval and dentate- serrate borne 
on a larger plant; corolla usually 30-36 mm. long, and capsule 10-12 mm 
ng, in C. montana elati 3 curri 
