1290 CAMPANULACEAE 
s A eae subglobose: sepals lanceolate to subulate- E. 
1-1 . long: corolla violet or blue; lobes elliptic; anthers 1-1.5 . lon 
s cuo lobosc e, 2-2.5 mm. in diameter. [ Campanula aad Small 
Grassy slopes of Chinsegut Hill, near Brooksville, Fla.—Spr.-fall. 
3. CAMPANULASTRUM Small. Annual or biennial herbs. Leaf-blades 
toothed. Flowers perfect and complete. Hypanthium elongate in age. 
Corolla rotate. Stamens exserted. Capsule (ZAR 
opening by subapieal valves. Seed flattish, 
broad, margined.—One species. 
C. americanum (L.) S canes Plant 2-20 
dm. tall, often widely branched: blades of 
the upper leaves bem jas te, 5-12 em 
long, acuminate: sepals linear-subulate, 6-10 
* [6] S p 
mm. long: corolla blue or white; lobes 10 
13 em. E eapsule turbinate-clavate, 8—10 
mm. long: seed oval, about 1.5 mm. long.— 
Rich: ooo and ro cky river-banks, various 
Er Fla. to Ark., S. Dak., and N. B. 
—Sum 
4. SPECULARIA [Heist.] Fabr. Annual or biennial herbs. Leaf- 
blades toothed. Flowers dimorphous, the earlier ones with 3 or 4 sepals a and 
undeveloped corollas, the later ones with 5 sepals and rotate corolla. Capsule 
o opening by lateral valves.—About 10 species, in the Northern Hemi- 
Sp —VENUS'S LOOKING-GLASSES. 
Leaf-blades clasping, usually fully as wide as long: capsule with ar valves near 
the middle. 1. S. perfoliata. 
Leaf- ce sessile, longer than wide: capsule with the valves at 
the 2. S. biflora. 
1. S. perfoliata (L.) A. DC. Stem 1-5 dm. tall: leaf-blades suborbicular to 
 triangular-ovate: corolla purple, 10—15 mm. wide: capsule ellipsoid-prismatic or 
obeonie, 5-6 mm. long: seed oval, about 0.5 o 
mm. long Woods, elds, and waste-places, 
various provinces, Fla. to Tex., bus i C., 
and coupes I., Mex., C. S. A.)— 
Sum 
2. S. biflora (R. & P.) F. & M. Stem 1-5 
dm. tall: leaf-blades ovate to elliptic or 
lanceolate above: corolla purple, 15-20 
. mm. : 
6-9 mm. m seed nearly 1 mm. long.— 
Fields and open places, various m 
Fla. to Tex., Calif., Kans., and Que.— (W. I., 
Mex.)—Spr.—fall. 
5. SPHENOCLEA Gaertn. Annual herbs. Leaf-blades entire. Flowers 
all alike, borne in a continuous dense spike. Sepals broad. Corolla short- 
