LIST OF SEEDS, BULBS, TUBERS, ETC. 129 
E. triandra:—Ponds, Illinois, Nebraska and west- 
ward. 
E. brachysperma:—Ulinois and southward. 
Order HALORAGE (Water Milfoil Family) :— 
Aquatic or marsh plants (at least in northern coun- 
tries), with the inconspicuous symmetrical (perfect or 
unisexual) flowers sessile in the axils of leaves or 
bracts, calyx-tube coherent with the ovary. 
MyriopHyLLuM—Water Milfoil. 
M. Spicatum:—Deep water, Newfoundland to New 
England and New York, west to Minnesota, Arkansas. 
and the Pacific. 
M. Verticillatum:—Ponds, common. 
M., herterophyllun::—Lakes and rivers, Ontario and 
New York to Florida, west to Minnesota and Texas. 
M. Scrabratum:—Shallow ponds, New England to 
South Carolina, west to Missouri and Louisiana. 
M. ambiguum:—Ponds and ditches, Massachusetts. 
to New Jersey and Pennsylvania, also Indiana. 
M. tenellum:—Borders of ponds, Newfoundland to 
New England, west to Michigan. 
CALLITRICHE—Water Starwort. 
C. verna:—Common in stagnant waters, Pennsyl- 
vania, New Jersey to Florida, west to Minnesota, Texas 
and the Pacific. 
C. heterophylla:—Stagnant water, New York and 
New Jersey, Indiana and Missouri. 
C. Autumnates:—West Massachusetts, Lake Cham- 
plain, New York, Lake Superior and westward. 
Order LENTIBULARIACEZE:—Small herbs 
(growing in water or wet places) with a two-lipped 
calyx, and a two-lipped personate corolla, two stamens 
(confluently), one-celled anthers, and a _ one-celled 
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