RHINANTHACEAE 1223 
sinus the deeper: corolla violet or white; tube 7-8 mm. long; s 3-5 m 
long, pied -obovate: capsule ae 5 mm. long.—Pinelands, pore Plain, 
pen. Fla. to Tex. and N. C.—Spr.-fal 
3. B. breviflora Pennell. Stem 3-6 dm. tall, pilose below: leaf-blades rough- 
ccs nt, the larger lanceolate E elliptie, 4 4-8 em. long: braets 3—4 mm. long, 
ascen ding- AE dE ealyx-lobes lanceolate- -acuminate, 1-2 mm. long: corolla 
violet; tube 6-7 mm. long, Mn ege pilose at the mouth; lobes 2-4 mm. 
long, liio icd ee vate, rounded slightly emarginate: capsu ule not seen 
— Prairies and End. Coastal Plain, C pen. Fla. to Tex. and S. C.— 
B 
4. B. americana L. Stem 3-8 dm. tall, most copiously hirsute below: leaf- 
blades usd the larger ovate- lanceolate or elliptic-lanceolate, 3-7 em. long: 
bracts 2-4 mm. long, ascending or spreading: calyx-lobes acuminate-cuspidate, 
mostly 1-1.5 mm. long: corolla violet; tube 9-11 m peas strongly pilose at 
the mouth; che 5-8 mm. long, qu eolate, EF emarginate: capsule 
usvall y 6— 7m m. long: seeds about 0.5 mm. lon — Sandy or sterile open soil, 
often in meadows, various provinces N of Coastal Plain, Ga. to Tex., Ill, Ont., 
and Pa.—Spr.-early s 
36. SCHWALBEA L. Perennial pubescent herbs, the stem simple. 
Leaves alternate, all cauline: blades entire, rather broad, 3-veined, sessile. 
Flowers in a raceme, each pedicel subtended by 2 bractlets, b Short stalks 
axillary to bracts which are shorter than the calyx. Calyx-lobes 5, paces 
the posterior one short, narrow, the anterior pair well united, bro rolla 
2-lipped: posterior lip nearly entire: anterior lip 3-lobed, the m n 2 
slightly pubescent ridges 
cluded, didynamous: 
E p Sarr 
<= aT ea 
darils slightly loculicidal. ee 
flat, winged——Two species, eastern Nor 
American, 
1. S. australis Pennell. Rn ud ee tall, 
finely pubescent with ascending hairs: leaf- 
blades 3-4 em. lon ng, elliptic-oval, “obscurely 
reticulate, IN dc. 3-5 
lon ng: b ae ets 5-8 mm. long: caly lobes 
aeute minate ; postero 
one 7-10 m 
long; MU e lip 20-22 m m. long: corolla Aout 90 mm. long, m and distally 
purplish: S eed -ovoid or ellipsoid, 10—12 mm. long: seeds 2.5 mm. long, 
slightly curved.— (CHAFF-SEED. )—San ndy oak woods and pinelands, ‘Coastal Plain, 
Fla. to P and S. C.; p adj. provinces, Ala. to E Tenn.—Spr.— 
CASTILLEJA Mutis. Annual pubescent herbs, the stem simple or 
bran ched. Leaves or the basal ones forming a semi-persistent rosette: 
lades entire or pinnately cleft, sessile or nearly so. Flowers spicate. Bracts 
foliaceous, pue - broader than the leaves, red or debel towards the 
ends. Bra Calyx-lobes 4 (the posterior sepal ng), united 
sagitally PA "e zum length, those of each side ues s distally 
