1886.] BOTANICAL GAZETTE.. 111 
29, H. nudicaule Water. Stem and opposite branches 
foliform, wiry, appearing naked from the very minute awl- 
shaped appressed leaves, 4 to 20 inches high: flowers very small, 
mostly sessile: stamens 5 to 10: capsule very acutely conical, 1 
to 3 lines long, much longer than the sepals; seeds very much 
smaller, oblong, minutely striate and pitted, light yellow.—Fl. 
Car. 190. 
H. setosum L. Spec. 787, as to Pluck. syn. 
H. Sarothra Michx. Fl. ii. 79; Torr. & Gray, Fl. i. 165; Gray, Gen. Ill. i. 
214, t. 93, f. 1-7, Manual, 86. 
Sarothra gentianoides L. Spec. 272; Lam. Ill. t. 215, f. 1. ~ 
S. hypericoides Nutt. Gen. i. 204; Barton, Fl. N. Am. iii. 59, t. 92, f. 1. 
Dry sandy soil, Canada to Florida, and the Mississippi valley. 
3. ELODEA Juss., PursH. 
Perennial herbs, in marshes or shallow water; with small 
close clusters of flesh-colored flowers in the axils of the leaves 
and at the summit of the stem; sepals much shorter than the 
acute capsules.—Juss. Gen. 255, partly; Pursh. Fl. 360; Torr. 
& Gray, Fl. i. 167; Gray, Gen. Ill. i. 216, t. 94. Not. Elodes 
Adans., Spach, nor Elodea Michx. Triadenium Raf.—A_ genus 
of two species, peculiar to Eastern North America. 
1. E. ecampannlata Pursu. A foot or two high, mostly 
simple: leaves oblong to ovate, very obtuse or emarginate, clasp- 
ing by a broad base, about an inch anda half long, half ine 
wide, glaucous beneath and black dotted: axillary flower clus- 
ters at the ends of elongated branches: sepals lanceolate to ovate : 
corer united below the middle: capsule 4 or 5 lines long.— 
. 379. 
Virginica Nutt. Gen. ii. 17; Torr. & Gray, Fl. i. 167; Gray, Gen. Ill. i 
_ 216, t. 94; Mannal, 86. 
Hypericum Virginicum L. Spec. 2 ed. 1104; Chois. in DC. Prodr. i. 546. 
HI. campanulatum Walter, Fl. Car. 191. 
HT, emarginatum Lam, Dict. iv. 154. 
From Hudson’s Bay to New Jersey and North Carolina, westward to 
Minnesota and the Winnipeg valley. Also in adjacent Asia and Japan. 
2. E. petiolata Pursn. Resembling the last, but usually 
taller and more branching : leaves longer (2 to 5 inches), half to 
an inch wide, tapering toa sessile base or petioled, not so glau- 
cous or black dotted beneath: axillary flower clusters almost 
