1222 | RHINANTHACEAE 
posterior arehed, the 3 anierior spreading. 
Stamens 4, didynamous, included: anthers 
anose. tigma elongate. short, 
glabrous, loculicidal. Seeds merous, re 
ticulate, wingless. [Otop p Benth. |— 
Two species, eastern North American. 
1. T. auriculata (Michx.) Raf. Stem 1.5-8 
dm. Mn 4-angled, hispid: leaf-blades 2.5- 
9.0 em. long, lanceolate to Cd -ovate, 
rough- pubescent ab ealyx-tube 5-8 mm. 
a ng, retrorse- pubescent lobes 9-19 mm. 
o lanceolate; corolla 20-23 mm. 
ong, 
long, Nn ls e: escent ; the throat spot- 
ted with deep-pu pud anterio rly: eapsule 
aus ovoid, 10-13 mm. long, mucronate. [O. Michauzii Benth. O. auricu- 
js | tie) Eu d and old fields, various provinces; introduced, 
o Tenn. and Pa.; native from Ill. to Tex., Kans., and Mi nn.—Sum 
35. vire pea: L. Perennial mostly pubescent herbs with short root- 
stocks, the imple. Leaves opposite, the lower sessile or nearly s , the 
€ bees red all rough-pubescent. Flowers in a slender s 
spike, each axillary to a braet and with 2 narrower bractlets. Calyx-lobes 5, 
short. Corolla violet or white, salverform: tube very slender, pubescent: lobes 
nearly uniform. Stamens 4, ee d, one ein anthers l-eelled. 
Stigma linear-eylindrie. Capsule ovoid, included, loculicidal. Seeds numerous, 
reticulate, wingless.—A bout m species, in warm regions.—BLUEHEARTS 
Leaf-blades obscurely, if at all, 3-veined, repand-dentate or entire: capsule usually 
about 5 mm. long: stem finely rough- D or nearly glabrous. 
Corolla-tube uri twice as long as the calyx: calyx-l obes triangular-acute, the 
anterior sinus only slightly " deeper than the "inim bracts 1.5-3 mm. long. 
Blades of the lower leaves lanceola te to linear-lanceolate, acute or acuminate ; 
corolla-lobes ante ally 6-9 m ng. ongata. 
BO f t ower a m elliptic- -anceolate, obtuse: 
a-lobes fo -5 mm. long. 2 
. B. floridana. 
Corolla- tube Jittle longer than the calyx: calyx-lobes lanceo- 
uminate, the cea eae sinus much deeper than the 
bracts 3-4 m 
Leaf- de dan A ned. "gate: toothed or lacerate: capsule 
usually 6-7 mm. long: stem hirsute 
3. B. breviflora. 
4. B. americana. 
. B. elongata Sw. Stem 3-7 dm. tall, sparsely pilose or glabrate: leaf- 
do ong: 
blades rough- eee the larger ae te to linear-lanceolate, 3-8 cm. 
bracts 1.5-3 mm. long, spreading or asce 
i i 
dA eorolla violet or white; tube 
. long; lobes . long, epe 
m dM snare: ca a 5 mm. long.— 
Prairies and i S Fla.—[W. I.|— 
2. B. floridana Gandoger. Stem 3-6 dm. 
tall, slightly pilose, or glabrate above: 
leaf-blades rough- pubeseent, the larger 
P ed lanceolate, 2.5—5.5 em. long: bracts 
m. long, spr reading: ealyx-lobes tri- 
Seiler: -acute, 0.5-1 mm. long, the anterior 
