444 
BOTANY. 
$ 25. PODO-SCLEROCAEPI. Pod tliick-cartilagiuons or coriaceous, exsertly stipitate, compressed 
or tnrgid, incurved ; sutures not intruded, sometimes thickened and separating from the valves. 
Perennial, branched, ashy-pubernleut ; stipules small, distinct. 
104. A. SCLEROCAEPUS, Gray. Very much branched, nearly canescent ; leaflets 6-9-pairs, linear ; 
racemes loose ; flowers white ; pod hoary-puberulent, very thick, lunate or nearly hamate, 1' long, 
turgid, cuspidate, rugulose, the stout stipe 2-3 times longer than the calyx. — Washington Territory. 
105. A. SPEiROCARi'US, Gray. Pod linear-lanceolate, tluttened, spirally coiled. See page 74. 
106. A. CYRTOIDES, Gray. Proc. Amer. Acad. 6. 525. Softly pubescent; pod linear, terete, strongly 
curved or annular. See page 75. 
§ 26. HOMALOBI. Pod vetch-shaped, flattened or less compressed, straight, margined by the nerve- 
like sutures, coriaceous or chartaceous, sometimes stipitate. Perennial, the leaves pinnate with 
many or few leaflets, or in some species simple. 
* Flowers in peduncled racemes or spikes ; pod many- (7-20-) ovuled, 
(a.) Stipules apparently all distinct; pod long-stipitate ; calyx-teeth 3-4 times shorter than the tube; 
caulescent, mostly over 1° high, pinnately leaved Avith many leaflets. 
107. A. coT.i.rxi's, Pougl. Erect or diffuse, with a loose grayish pubescence ; leaves linear or oblong- 
linear, obtuse, attenuate at base ; peduncles twice longer than the leaves ; flowers reflexed, on suberect 
pedicels ; calyx oblong-campanulate or cylindric, gibbous at base, white-pubescent, the teeth triangular- 
subulate ; corolla nearly white, scarcely twice exceeding the calyx, the banner somewhat longest ; pod 
pubescent, linear-oblong, turgid, attenuate at base, 1' long with the stijje. — Oregon and Washington 
Territory. 
108. A. FILIPES, Torr. Pod 1' long, flat, glabrous, reflexed. See page 75. 
100. A. STExopiTYLLUS, T. & G. Glabrous, erect; leaflets narrowly linear, 6-8" long; peduncles 
twice longer than tlie leaves ; flowers 10-16, in an oblong raceme, spreading, purplish or white, the banner 
exceeding the keel ; calyx campanulate, dark-pubescent, teeth rather broad, very obtuse ; ovary glabrous, 
scarcely equaling the stipe; pod unknown. — Montana, (Wyeth.) 
(&.) Stipules connate, at least the lower ones; pod more or less stipitate. Caulescent; leaves pin- 
nate, with many leaflets; calyx-teeth half shorter than the tube. 
110. A. MULTIFLORUS, Gray. Slender ; stipules dark ; pod oblong, reflexed, exserted. See page 75. 
111. A. BouRGOVii, Gray. Strigulose-pubescent ; stems a span high, ascending from a woody 
caudex ; stipules scarious, nearly wholly connate ; leaflets 7-8 pairs, oblong or lanceolate, acute; pedun- 
cles much exceeding the leaves ; racemes short, 5-10-flowcred ; pedicels about equaling the dark-pubes- 
cent oblong-campanulate calyx-tube ; calyx-teeth rather stout; corolla violet, 4^5" long, the keel with 
an indexed somewhat pioduced apex, equaling the wings, a little shorter than the banner ; immature 
pod ovate-lanceolate, black- or cinereous-pubescent, rounded at base, on a very short included stipe. — 
Mature fruit unknown. Rocky Mts. of British America, (Bourgeau.) 
112. A. Palliseri, Gray. Sparingly strigulose-pubescent, glabrate; stems about 1° high, ascending 
from a woody base, branched, slender, rather rigid ; upper stipules herbaceous, distinct; leaflets 4-9 
pairs, linear or lanceolate, 7-12" long, 1-1^" wide, rather rigid, obtusish ; peduncles equaling the leaves ; 
raceme loosely 7-12-flowered ; peduncles equaling the short-campanulate calyx; calyx- teeth not half as 
long as the tube ; corolla whitish-purple, 4|-5" long, curved, keel with a narrow inflexed tip and shorter 
than the wings ; pod linear, 8-9" long, 1" wide, turgid, glabrous, straight, on a very short but manifest 
stipe. — Rocky Mts. of British America, (Bourgeau.) 
113. A. PORRECTus, S. Watson. Stout ; leaflets broad-obovate ; pod oblong, gibbous dorsally, exsert, 
erect upon the spreading pedicel and stipe. See page 75. 
(c.) Stipules connate, or at least the lower ones ; pod sessile. Caulescent. 
(1.) Calyx-teeth very slender, somewhat exceeding the tube. Low, from a woody caudex, pinnately 
leaved ; stijiules all more or less connate. 
114. A. PAr cii LORUS, Hook. Dwarf, many-stemmed, cinereous-piibescent, matted-decumbent, with 
crowded leaves and rather large stipules ; leaflets 3-5-pairs, oblong or lanceolate, acute ; peduncles about 
equaling the leaves, 2-5-tlowered ; flowers approximate, racemose, spreading; corolla violet, 4^5" long, 
the shortly incurved keel very obtuse, shorter tlian the wing and half as long as the reflexed banner ; 
pod liuear-oblong, flattened, silky -puberulent, 4-5" long.— Rocky Mts. of British America. 
115. A. TEGtTAKirs, 8. Watson. Flowers 2-3" long; pod 2-3" long, ovate-oblong, straight. See 
page 7t), and Plate XIII. " 
IK). A. JUSER, Dougl. Cinereous-puberulent ; stems diflfuse, a span long, slender, loosely leaved ; 
stipules rather large, the upper connate to the middle ; leaflets broad-linear or oblong, mostly obtuse ; 
