202 FOUNDATIONS OF BOTANY 
Corolla wheel-shaped, stamens 5. Verbascum, I. 
Corolla wheel-shaped or salver-shaped, nearly regular, stamens 2. 
Veronica, VI. 
Corolla 2-lipped, the mouth closed by a palate, tubular below, a 
spur at the base. Linaria, IT. 
Corolla 2-lipped, the mouth closed by a palate, tubular below, a 
short, broad pouch at the base. Antirrhinum, III. 
Corolla decidedly 2-lipped. 
Stamens with anthers 2. Gratiola, V. 
Stamens 4, with a fifth antherless filament. Pentstemon, IV. 
Stamens 4, the anther-cells unequal. Castilleia, VII. 
Stamens 4, the anther-cells equal. Pedicularis, VIII. 
I. VERBASCUM, L. 
Biennial ; stem tall, erect. Leaves alternate. Flowers in 
spikes, racemes or panicles. Calyx deeply 5-cleft. Corolla 
wheel-shaped, 5-lobed, the lobes nearly equal. Stamens 5, 
unequal, declined, some or all of the filaments bearded. 
Style flattened at the apex. Fruit a globose capsule ; seeds 
roughened.* 
1. V. Blattaria, L. Morn MuLiern. Stem erect, slender, sim- 
ple or sparingly branched, smooth below, downy above, 2-4 ft. high. 
Leaves oblong to lanceolate, acute at the apex, obtuse or truncate at 
the base, dentate to pinnately lobed, the lower petioled, the upper 
sessile and clasping. Raceme long and loose, glandular-downy, 
pedicels bracted. Corolla white or yellow, marked with brown on 
the back, about 1 in. wide. Filaments all bearded with purple 
hairs. Capsule longer than the calyx. Common in fields and waste 
places ; introduced from Europe.* 
II. LINARIA, Tourn. 
Herbs, rarely shrubby. Lower leaves opposite, whorled or 
alternate. Flowers in bracted racemes or spikes or axillary 
and solitary. Calyx 5-parted. Corolla 2-lipped, the tube 
spurred. Stamens 4, with sometimes a rudiment of a fifth. 
Stigma notched or 2-lobed. Capsule ovoid or globose; cells 
nearly equal. 
