19 
hronium Le Dog-tooth Violet, 
Bryt 
= 
100 
Low glabrous herbs, the leaves 2, apparently basal, from deep-seated 
membranous coated corms. lowers showy, solitary, or Several, terminal, 
noddinge ferianth segments distinct, deciduous, ecual, the inner auricled 
at the base. Stamens 6, hypogynous, about half the length of the perianth, 
basifixed, Ovary d-chambered, Style filiform, 3-clefte Fruit a somewhat 
deangled, loculicidal capsule. Sceds ovate, wrinkled, 
O Perianth segments yellow, whitish at the base /. Be grandiflorum 
O Perianth segments white, or greenish, yellow 
4 towards the base 2. Ee idahoense 
1. E. grandiflorum Pursh, Dog tooth Violet. Corms ovoid; leaves 10-20 
em. long, oblong, lanceolate, obtuse or acute, attenuate at the base to 
a margined petiole 2-5 cm. long, dark-green, not mottled; scapes one or 
very rarely more, 15-25 cm. tall or more, elongating to 30 cm, in Sruie, 
erect; perianth 1,.5-4 cm. long, bright yellow but whitish at the base, 
segments narrowly lanceolate, acuminate, the inner with 4 saclike appendages; 
stamens 12-15 mm. long, the anthers yellow or purple or white in the same 
commmnity, style somewhat longer than the stamens; capsule 3-3.5 cm, long, 
oblong-oblanceolate, obtuse at the apex, attenuate to a short stalk at the 
th 
WMA 
On hillsides of north exposure, locally abundant, 
base. 
Ze Ee idahoense St. John & G,. Ne Jones, Corn ellipsoid or narrowly 
a. 
cylindric, brovm coated, with {slender rhizomatous proccss up one side; 
leaves green, unequal, oblanccolate with an acuminate tip, the larger 
blade 7-13 cm, long, 2.5-4.5 cm, wide, the channelled petioles about 
half the length of the blade; perianth segments greenish or creamy white, 
merked for the lower cm, with yellow within and green or greenish-yellow 
") 
without, 3-4,5 cm. long, 9-12 mn. wide, lanceolate, recurved efter anthesis, 
