
Menvanthaceae 307 
KK. Leaves 12—50 mm. long; calyx-lobes lanceolate to linear; corolla 10—1I7 
mm. long. W.C. E. (G. anisosepala; G. stricta. ) 
G, acuta Michx. 
SWERTIA CHIRETTA 
Perennial; stems simple. Leaves opposite or alternate, at least the lower petioled 
Flowers many, in thyrsoid racemes or panicles. Corolla rotate, white to blue or purple, 
in ours 4—5-lobed. Style very short or none; stigma 2-lobed or 2-lamellate. Capsule 
ovate; placentae not intruded. (Honor of E. Swert, a Dutch bulb-grower.) E. (S. 
obtusa for our region.) S. palustris Nels. 
FRASERA COLUMBO 
Smooth or puberulent; stems erect or nearly so, simple or branched. Leaves oppo- 
site or whorled. Flowers many, in thyrsoid or paniculate cymes or racemes. Corolla 
rotate, 4-parted; lobes with 1—2 fringed glands and sometimes a fimbriate crown at 
base. Stamens on the very base of the corolla. Ovary ovate; placentae not intruded; 
style slender and elongated; stigma small, 2-lobed or nearly entire. Capsule ovate. Seeds 
flattish, usually smooth and margined. (Honor of John Fraser, an American plant-col- 
lector. ) 
A. Leaves with firm white border; plants 6 dm. or less high. 
B. Whole plant puberulent; corolla-lobes acuminate. E. 
F, albicaulis Griseb. 
BB. Whole plant glabrous; corolla-lobes obtuse or acute. E. (F. cusickit. ) 
. F. nitida Benth. 
AA. Leaves not bordered; plants 6—12 dm. high. 
C. Leaves in whorls of 2 or 3; stem-leaves reaching | dm. long; corolla blue-purple, 
with | gland on each lobe; capsule flattened parallel to the partition; seed globose. 
E. (F. thyrsiflora.) F. fastigiata Hel. 
CC. Leaves in whorls of 4 or 6; stem-leaves reaching 2—3 dm. long; corolla green- 
ish with 2 glands on each lobe; capsule flattened perpendicular to the partition; 
seed oblong. E. F, speciosa Dougl. 
MENYANTHACEAE Buck-bean Family 
Herbs, perennial, aquatic or in marshes; rhizome creeping. Leaves basal or alter- 
nate, glabrous, entire (not ours) or crenate or 3-foliolate. Flowers clustered, regular, 
perfect. Calyx deeply 5-parted, persistent. Corolla funnelform to rotate, 5-lobed or 
-cleft. Stamens 5, on the corolla, alternate with the corolla-lobes; filaments filiform 
(ours) ; pollen-grains 3-angled. Ovary superior or half-superior, |-celled, the 2 pla- 
centae sometimes intruded. Fruit a capsule, sometimes indehiscent, oval (ours). Seeds 
few, flattish, smooth. 
A. Leaves simple; corolla-lobes entire; style short or none. 
NEPHROPHYLLIDIUM (p. 307) 
AA. Leaves 3-foliolate; corolla-lobes fimbriate; style subulate. 
MENYANTHES (p. 308) 
NEPHROPHYLLIDIUM DEER-CABBAGE 
Leaves alternate, basal, simple, deciduous, reniform, deeply and coarsely crenate, 
7-veined from the base, long-petioled. Flowers white, in cymes on scapes. Calyx- 
tube short-funnelform; segments ovate, not ciliate, but slightly involute, their margins 
