DICOTYLEDONOUS PLANTS 208 
1. L. vulgaris, Miller. Burtrer-AND-EGGs, JAcoB’s LADDER, 
Witp Frax. A perennial, erect, smooth herb, with a bloom, stem 
1-2 ft. high. Leaves linear or lanceolate, 1-3 in. long, often 
whorled. Racemes densely flowered. Sepals shorter than the spur. 
Corolla yellow, 3-1 in. long; spur parallel to and as long as the 
tube ; throat closed by a palate-like fold. Common in dry fields and 
pastures and along roadsides ; introduced from Europe. 
2. L. canadensis, Dumont. Toap-FLax. Biennial; flowering 
stems erect, slender, rarely branched, smooth, 1-2 ft. high, sterile 
stems prostrate, with opposite or whorled leaves, 2-6 in. long. 
Leaves linear, entire, sessile. Racemes erect, slender; pedicels 
erect, as long as the calyx. Corolla small, blue and white, the spur 
thread-like, curved, longer than the pedicels. Capsule 2-valved, the 
valves 3-toothed. On dry or cultivated ground E. 
Ill. ANTIRRHINUM, Tourn. 
Annual or perennial herbs. Leaves entire, rarely lobed, 
the lower ones opposite, the upper alternate. Flowers axillary 
and solitary or racemed and bracted. Calyx 5-parted. 
Corolla 2-lipped. The tube with a sac, the broad bearded 
palate closing the throat. Stamens 4. Stigma with 2 short 
lobes. Capsule 2-celled, the upper cell opening by 1 pore, 
the lower by 2. 
1. A. majus, L. SNapprRAGon. Perennial; stem erect, smooth 
below, glandular-downy above, 1-2 ft. high. Leaves linear to 
oblong-lanceolate, entire, smooth, sometimes fleshy, sessile or short- 
petioled. Flowers in a terminal raceme; pedicels short, stout, 
erect in fruit. Corolla 14-2 in. long, of many colors. Capsule 
oblique, the persistent base of the style bent forward. Common in 
gardens, cultivated from Europe, and often escaped.* 
IV. PENTSTEMON, Mitchell. 
Perennials, the stems branching from the base, unbranched 
above. Leaves opposite. Flowers usually showy in a termi- 
nal panicle. Calyx of 5 nearly distinct sepals. Corolla 
tubular, the tube wide above and narrowed below; 2-lipped. 
Stamens 4, 2 long and 2 short, with a fifth antherless filament 
as long as the others, its upper half bearded. Capsule ovoid, 
acute. 
1. P. pubescens, Solander. Stem somewhat sticky-downy, 1-2 
ft. high. Leaves varying from oblong to lanceolate, 2-4 in. long, 
