Se 
2 
7 
spreading at tip, erect, appressed, oblique. -Nutlet 1, ovate- 
lanceolate, Soy faintly papillose but more evident above, 
Jes open at base, attached nearly to the top, 1” long, ob- 
. tuse-angled. Pa ee appressed and short. he type is 
my material from Yucca Arizona May 14 1884. Other material 
is from Hackberry Arizona, Darwin Cal., Meadow Valley 
WwW age ae vada. 
3 _ Plagiobothrys humifusa n. sp. Thi s may be an extreme 
_ form i tenellus. Annual, nearly prostrate, softly pubescent 
= sales Radical leaves ovate, 6” long, nearly sessile. 
te v l 
slender spikes 3 long, all leaty. sear ok and loosely flowered 
in fruit when the flowers are 6-9” apart below. Calyx nearly 
hemispherical, 2’ long, open in fruit, lo fe triangular and calyx 
cleft below the m iddle. Nutlets cruciform, onryed to a half 
_ California 5000° alt. June 18, 1897. The roots secrete the usual 
pee Bae but the — and leaves do not. 
us n. sp. Habit of L. Burkei. Dense ly 
ae epee stout ae coarse, 2° high. Lower petioles. often 
; a foot long, upper often only an inch long. Stems and leaves 
peoaesels pubescent with sperading hairs. Upper side of leaflets 
% Leaflets about 7, 2-3’ long, spatulate-oblanceolate, 
aoe nerved, green Stems simple ces nearly sessile, 
very dense, about 6’ long. Flowers purple, 6” long, very 
3 broad, keel not exserted; banner smooth. Calyx eer 
spurred, on a slender and shaggy pedicel 6” long. Brac 
4 Gee iiuccotite shaggy, 6-8” long, persistent. Pods abost 
18” long, 6” wide, 5-0-seeded, shortly- Fda tae deere 
fleshy, narrowly oblong, trianguiar-acute. Seeds 214” wae 
light-colored. This grows on dry mountain slopes Middle Tem- 
| perate life zone along with Geauga: and Prunus demissa. 
alus lutosus n. sp. White River Utah next the Col- 
_orado line, 5200° alt. May 29 1908, This grows on very 
soil in white shale in the barest places where there is very lit- 
tle soil. Perennial from a thick erect and fieshy root ee ‘at. 
an inch or so beneath the surface puts out many slender and 
scaly stems 1-4’ long. Flowers few, white, in a head ng oo is 
2 ee 
43 
nearly sessile in the axils. Banner white, 4” high, arch ra a 
