206 FOUNDATIONS OF BOTANY 
VIII. PEDICULARIS, Tourn. 
Perennial herbs, with the lower leaves pinnately cut and 
the floral ones reduced to bracts. Flowers spiked. Corolla 
markedly 2-lipped; the upper lip much flattened laterally and 
arched, the lower lip spreading, 3-lobed. Stamens 4, beneath 
the upper lip. Capsule 2-celled, tipped with an abrupt point, 
several-seeded. 
1. P. canadensis, L. Common Lovusrewort. Hairy, with clus- 
tered simple stems, 1 ft. high or less. Leaves petioled, the lower- 
most ones pinnately parted, the others somewhat pinnately cut; spike 
short, closely flowered and leafy-bracted; calyx split down the front; 
corolla greenish-yellow and purplish, with its upper lip hood-like, 
curved under, and with 2 awl-like teeth near the end; capsule flat, 
broadly sword-shaped. Knolls and openings among thickets. 
90. BIGNONIACEZ. BiGnoniAa FAMILY. 
Trees or shrubs, often twining or climbing, rarely herbs. 
Leaves usually opposite, without stipules. Flowers showy, 
irregular. Corolla tubular, with a widened throat and a 
5-lobed limb. Stamens usually 2 long and 2 short, or only 2. 
Ovary free from the calyx, 2-celled or rarely 1-celled, with 
many ovules. Fruit a capsule; seeds large, winged. 
I. BIGNONIA, Tourn. 
Woody vines. Leaves opposite, compound, usually ten- 
dril-bearing. Flowers large, in axillary clusters. Calyx 
cup-shaped, truncate, or undulate-toothed. Corolla spreading- 
tubular, somewhat 2-lipped, the lobes rounded. Stamens 4, 
2 long and 2 short. Capsule linear, flattened parallel with 
the partition, the two valves separating from the partition at 
maturity. Seeds flat, broadly winged.* 
1. B. capreolata, L. Cross-vine. Stem climbing high, a trans- 
verse section of the older stems showing a conspicuous cross formed 
by the 4 medullary rays; branches smooth. Leaves evergreen, 
petioled ; leaflets 2, ovate, taper-pointed with a blunt apex, heart- 
shaped at the base, entire, stalked, upper leaflets transformed into 
