362 Plantaginaceae 
B. Leaves 12—-25 mm. long, 2—3 pinnately segmented, very pea bladders 
3—4 mm. long; corolla 12—-15 mm. wide. W. C. 
U. vulgaris L. 
BB. Leaves 4—8 mm. long, several times forked, with few or no bladders; bladders 
I1—2 mm. long; corolla 4—8 mm. wide. 
C.  Corolla-spur short, obtuse. W. C. 
U. minor L. 
CC. Corolla-spur conic; acute. C. 
U. occidentalis Gray 
AA.  Leaf-segments flat, their margins minutely bristle-toothed; leaves 6—12 mm. long, 
repeatedly forked; ladders nearly always on leafless branches. C. E. 
U. intermedia Hayne 
PINGUICULA BUTTER-WORT 
Acaulescent. Leaves all basal, tufted, entire, their upper side covered with a sticky 
substance to which insects adhere and are captured by the inrolling of the sensitive leaf- 
margins, in ours ovate to lanceolate, obtuse, 2.5——5 cm. long. Flowers solitary on naked 
scapes. Calyx 4—5-parted or 2-lipped; upper lip 2-parted; lower lip 3-parted. Co- 
rolla in ours violet-purple, 6—8 mm. wide; upper lip 2-cleft. W.C. E. 
P. vulgaris L. 
PLANTAGINACEAE Plaintain Family 
Herbs, annual or biennial or perennial, acaulescent (ours), rarely stoloniferous. 
Leaves basal (ours) or alternate or opposite. Flowers small, perfect or polygamous or 
monoicous, solitary (not ours) or in spikes or heads; clusters terminal, bracted, on scapes. 
Calyx 4-parted, persistent; segments imbricated. Corolla scarious or membranous, mostly 
marcescent, 4-lobed. Stamens 2 or 4, on the corolla; anthers versatile. Ovary sessile, 
superior, |—2-celled or falsely 3—4-celled; style 1, filiform. Fruit a capsule and open- 
ing by a cap-like lid (ours), or else a I-seeded nutlet. Seeds 1—-several. 
PLANTAGO PLAINTAIN 
Flowers greenish or purplish. Calyx-segments equal or 2 of them larger. Corolla 
salverform; tube cylindric or constricted at the throat; limb 4-lobed, spreading in flow- 
ering, in fruit erect to reflexed. Seeds 2 to many. (The Latin name.) 
A. Leaves ovate. W.C. E. (P. asiatica.) 
P. major L. (Common Plaintain) 
AA. Leaves lanceolate. 
B. Seeds 1—2, flat or concave on the face. 
C. Scape glabrous or slightly hairy above. W. C. E. 
P. lanceolata L. (English Plaintain) 
CC. Scape densely woolly above. W. 
P. macrocarpa ©. & S. 
BB. Seeds 4—5, plump, neither flat nor concave on the face. FE. 
P. eriopoda Torr. 
AAA. — Leaves linear. 
D. Capsule 2-seeded. 
E. Leaves fleshy; seashore plant. W. 
P, maritima L. (Seaside Plaintain) 
EE. Leaves not fleshy; not particularly seashore plants. i 
F. Bracts 14—114 as long as the calyx, not aristate. 7.) 

