a 
ere ee, 
1906] HOUSE—NEW SPECIES OF TRIFOLIUM 335 
A careful reading of Loyacono’s paper on North American species of Tri - 
folium makes very apparent the fact that he had a very scanty representation 
of the forms and distribution of our western species. While his descriptions are 
excellent, he has failed in many instances to 
Trifolium Douglasii, nom. nov.—T. 
altissimum Dougl., Hook. Fl. Bor.-Am. 
1:130. pl. 48., 1830; not T. altissimum 
Lois. 1807. 
An abundant clover in moist or natural wet 
meadows of eastern Washington, Oregon, and 
adjacent Idaho. Flowering in June and July, 
fruiting from July to the end of August. 
TRIFOLIUM HARNEYENSE Howell, FI. 
Northwest Am. 134. 1898.—T. arcuatum 
Cusickii Piper, Bull. 
Torr. Bot. Club 
29:642. 1902. 
An examination of 
the floral parts of the 
available herbarium 
material of T. Har- 
neyense and T. arcua- 
tum Cusickii shows 
them to be identical. 
Trifolium villi- 
ferum, sp. nov.— 
V 
af 
‘1G. 2.—Trifolium bifidum 
A. Gray: a, portion of type speci- . 
men; b and ¢, leaflets from lower F 1g. 3.—Related to 
leaves; d and ¢, leaflets from JT, eriocephalum 
upper leaves; /, flower; g, calyx Nutt.Stems slender, 
expanded; /, banner; 7, legume. 
erect, from peren- 
nial, ascending, and branching roots, 25 to 35°™ ; 
high, densely villous-pubescent with long hairs, —_ Fic. 3.—Trifolium vil- 
stem nearly glabrous at base only: leaflets Ji/erwm —— : fila 
mm 0,calyxexpanded; c, ban- 
oblong-lanceolate, a5 to gh long, 610 5a oe wing, and Keel. 
wide, obtuse at base, usually acute at apex, 
irregularly and inconspicuously repand-denticulate, pale green, appear- 
ing almost glaucous by the dense, whitish indument, scarcely less 
