162 Reventi-Arrecti, 
over on the Snake river valley where it grows in sagebrush plains. 
Lower Temperate life zone. The pod is often mottled or reddish. 
‘The leaflets are sometimes 3 em. long but with the’ ovate or lanceolate 
base and oblong outline above and mostly notched. Whole plant 
nearly smooth. It is not likely that it extends south of Osceola Nevada 
nor is it known at all in Utah: 
Astragalus arrectus var. eremiticus (Sheldon) Jones Cont. 7 665 
(1895). A. eremiticus Sheldon Minn. Bot, Stud. 9 161 (1894). This is 
the form the species assumes in the hot regions adjoining the Tropical 
life zone at the south, Pods about 1.5 cm. long, oval-oblong, to 
oblong, chartaceous, conspicuously inflated, on a tapering stipe about 
as long as body and erect or nearly as in the preceding variety, the 
dorsal suture a little intruded. Calyx cylindrical and as in the last 
variety. Flowers in long racemes and about 1.5 cm. long, white, ochro- 
leucous or purple, the banner not fleshy, oval-ovate, with sides much 
reflexed throughout and seemingly triangular, claws little exserted, 
Wings truncate to notched and broad as in the type, the tips always 
white or yellowish when flowers are purple, keel a little longer than 
high and with rounded tip and purple-tipped. Pedicels longer than 
the bracts, in fruit 2-4 mm. long as in the var. above. Peduncles 1-3 
dm. long, mostly longer than the leaves, slender but stout for the 
Plant. Leaves a foot or less long, the upper nearly sessile, with 
about 10 pairs of elliptical-lanceolate leaflets which are glaucous, con- 
Spicuously petiolulate, distant and 1-2 cm. long and rounded, rarely 
notched, thin. Stipules large, broad, green-striped. Stems often a foot 
Jong, zigzag, slender, from a woody and branched base. Common from 
the Beaverdam Mountains near St. George Utah to Chloride Arizona in 
the Lower Temperate life zone on the edge of the Tropical on gravelly 
mesas and among rocks. A form of this at Chloride has oval pods 
on a stipe hardly longer than the calyx, rudimentary calyx lobes and 
purple flowers with conspicuous white or yellowish wings, and nearly 
oval and half shorter leaflets. 
Astragalus arrectus var. remotus n. var. This is a striking form 
with the racemose flowers and fruit rather closely appressed. Pods 
narrowly oblong to linear, about 1.5 cm long and 3-4 mm. wide, abruptly 
apiculate at tip, purple-nerved, thin, triangular-acute at base, on a stipe 
barely as long as the calyx, with cross-section reniform-triquetrous. 
The pods have the dorsal suture produced almost to the ventral as à 
hyaline partition and are chartaceous, but little inflated and smooth 
as in the other forms, the ventral suture is a broad and purple stripe 
externally. Calyx oblong-campanulate, laterally flattened, 2 mm. high, 
1 mm. wide, nigrescent, deeper cleft above with broad sinuses, about 
3 mm. long-and much as in the type species. The calyx teeth are va- 
riable but about half as long as tube, triangular and green. Pedicels 
as in the variety eremiticus but 8-9 mm. long, the deltoid-ovate ban- 
ner about 7-8 mm. long and abruptly arched to 45 degrees just beyond 
calyx tips, and thin. Groove in banner shallow, less than a half 
circle, 2 mm. wide and faintly veined, stopping 2 mm. from tip of ban- 
ner. Wings flat to keel, oblong-ovate, rounded, entire, concave, the 
right hand one flaring, both arched to 45 degrees, 2 mm. wide at tip, 
longer than keel, obtuse to erose, often speckled. Keel very obtuse, 
with straight base, tip erect and purple. Bracts conspicuous but 
small, about as long as flowering pedicels which are short. Peduncles 
wiry, 1-2 dm. long and strict, a little longer than the rachis. Leaves 
rarely 1 dm. long, all petioled, ashy, with 6-8 pairs of small leaflets 
5-15 mm. long, which are mostly folded and seem linear but are 
narrowly to broadly elliptical, thick and obtuse and distant. Stems in 
dense tufts, slender, with 2-3 long internodes 5-7 cm. long and nm : 
| from woody base. Growing among rocks at Good Springs on 
: western _ of Nevada on the lower edge of the kerso NIMM Eo 
