Spring Flora op Oklahoma 
179 
united. Style 1, usually hairy above. Stigmas 2 or more. 
Fruit a capsule, 2 or more celled, many-seeded. 
I. SPECULARIA Heist. 
Annual or biennial herbs. Leaves alternate, sessile, 
or clasping. Flowers of two kinds, the earlier ones cleis- 
togamous, close-fertilized in the bud, with a calyx of 3-4 
sepals and an undeveloped corolla, the later ones with 5 
sepals and a rotate or funnel-form corolla. Stamens 5. 
Ovary 2-uelled. Stigmas 3. Capsule prismatic or cylin- 
dric. 
Capsule narrowly oblong. 
Leaves sessile; capsule-valves near the top. 
1. S. biflora. 
Leaves cordate-clasping; capsule-valves at about the 
middle. 2. S. perfoliata. 
Capsule linear-cylindric; leaves sessile; western. 
3. S. leptocarpa. 
1. Specularia biflora (R. & P.) F. & M. Small Venus’ Look¬ 
ing-glass. Glabrous, or nearly so. Stem simple or branched, rough- 
ish on the angles, 6'-2° high. Leaves ovate, oblong, or upper lance¬ 
olate, crenate with a few teeth, or entire, 4"-10" long. Capsule 
oblong-cylindric. 
In dry soil. April-July. Frequent. 
2. Specularia perfoliata (L.) A. DC. Venus’ Looking-glass. 
Pubescent. Stem densely leafy, simple or branched from near the 
base, retrorse-hispid on the angles, 6'-24' long. Leaves orbicular or 
broadly ovate, strongly cordate-clasping or the lower nearly sessile, 
crenate-dentate or sometimes entire. Flowers solitary or 2-3 together 
in the axils, and a rotate blue or violet corolla, 5"-10" broad. Cap¬ 
sule oblong, or narrowly turbinate. 
In dry woods and waste places. May-September. Common. 
3. Specularia leptocarpa (Nutt.) A. Gray. Western Venus’ 
Looking-glass. Hirsute, or nearly glabrous. Stem simple or 
branched from the base, 6'-15' high. Leaves linear-lanceolate to ob¬ 
long, sessile, not clasping, entire or sparingly denticulate, 6"-12" 
long. Flowers sessile and usually solitary in the axils. Corolla 
rotate, 5"-9" broad. Capsule linear-cylindric. 
In dry soil. May-August. Infrequent. 
