238 KEY AND FLORA 
I. SPECULARIA Fabricius 
Annual; stems slender, angled. Leaves entire or toothed. 
Flowers axillary, regular, solitary or in small clusters, ses- 
sile, bracted. Calyx tube slender, 3-5-parted. Corolla wheel- 
shaped, 5-lobed. Stamens with the filaments flattened and 
shorter than the anthers. Ovary 3-celled, many-ovuled; stig- 
mas 3. Fruit a prismatic, 3-celled, many-seeded capsule.* 
1. S. perfoliata A.DC. Sprecunarra. Stem erect, simple or 
branched from the base, angles roughened, 10-20 in. high. Leaves 
ovate to lanceolate, acute at the apex, sessile, crenate or entire, the 
upper bract-like. Flowers solitary or in pairs. Corolla blue, often 
wanting. Capsule cylindrical, smaller above. In waste places.* 
II. CAMPANULA L. 
Annual, biennial, or perennial herbs. Flowers solitary, 
racemed or spiked, regular, blue or white. Calyx 5-lobed or 
parted. Corolla wheel-shaped to bell-shaped, 5-lobed. Stamens 
5, free from the corolla, distinct; filaments dilated at the base. 
Ovary 3—5-celled, many-ovuled; style 3-parted. Capsule short, 
bearing the persistent calyx lobes at its apex, many-seeded, 
splitting open on the sides.* 
1. C. americana L. Tarn BeELirtower. Annual or biennial. 
Stem erect, usually unbranched, 3—6 ft. high. Leaves varying from 
ovate to lanceolate, serrate, 21-6 in. long. Spike 1-2 ft. long. Corolla 
wheel-shaped, light blue, about 1 in. in diameter. Moist, rich soil, 
especially in thickets. 
2. C. rotundifolia L. HaresBeLy. A slender, smooth, branching 
perennial, 5-12 in. high. Root leaves broadly ovate-heart-shaped, 
generally somewhat crenate, soon withering ; stem leaves varying 
from linear to narrowly lanceolate, entire. Pedicels slender; flow- 
ers solitary or somewhat racemed, the buds erect but the fully 
opened flower drooping. Calyx teeth erect, awl-shaped. Corolla 
bell-shaped, 1-1 in. long, its lobes short and recurved. Rocky hill- 
sides, especially N. 
3. C. aparinoides Pursh. Marsu Bri_rLower. Stem angular, 
unbranched, slender, weak, and leaning on the grass among which it 
usually grows, the angles clothed with minute, backward-pointing 
prickles. Leaves lance-linear, nearly entire. Flowers terminal, about 
3 in. long, white, Corolla bell-shaped. Wet meadows, in tall grass. 
