APPEi^DIX. 
433 
1. H. JUNCEA, Bentli. Erect, 1)100111-11116 ; leaflets obovate, oval or oblong ; umbels sliort-peduucled, 
few-flowered ; calyx-teeth very short obtuse. 
2. H. SCOPARIA, Nutt. Nearly glabrous, erect aud 2-8° high, or sometimes decumbent, broom-like ; 
leaflets linear-oblong or oblong ; umbels sessile, iisually crowded on the branchlets ; calyx-teetli subu- 
late, acute, the narrow tube 2-4 times longer. 
3. H. CYTISOIDES, Benth. Subshrubby, decumbent or sarmentose, silky-puberuleut or glabrate ; 
leaflets obovate, oblong or linear-oblong, obtuse ; umbels many-flowered, peduucled ; calyx-teeth subii- 
late-awned, recurved, about half as long as tlie tube. 
* * More or less woody at base, diftiisely decumbent, branches somowliat virgato. wUitr with a 
silvery appressed silky pubescence. 
4. H. SERICEA, Benth. Silky-canescent, much branched, ascending ; leaves subsessile ; leaflets 
mostly 3, oblong-linear or spatulate-oblong ; calyx-teetli short or minnto ; flowers 11" hmg, yellow, the 
incurved keel subacute. California. 
5. H. ARGOPHYIXA, Gray. Densely tomcntose ; branelies hmg, subsiiniilr, (Icciimliciit ; li allfis ;i-.'>, 
obovate, 3-6" long ; umbels 8-12-flowered, capitate, sluul-p.-amiclid, with a simple bract; calyx-teeth 
slender, the cylindrical tube about twice longer ; flowers 4-5" long, yellow ; keel obtuse. See page 02. 
* * * Herbaceous or nearly so, diffiisely procumbent or prostrate, pubescent, tomcntose, or glabrate ; 
leaflets 3-5, sometimes 6 or 7, not thick nor silvery white, the petiole or rachis not abbreviated. 
(«.) Calyx villous, teeth slender; silky or tomentosc-pubesccnt ; legume canescent, the fruiting part 
little exceeding the calyx. 
C. H. TOMENTOSA, H. «fe A. Tomentose-villous with whitish or fulvous spreading hnii --: h allets 
obovate, 4-7" long; umbels 6-12-flowered, capitate, short-peduncled, bract simple ; calyx-ted h s, i ;i, cous- 
subulate, as long as the turbinate-campanulate tube; flowers 3-4" long; the keel very oIjUisc— Cali- 
fornia. 
7. H. DECUMBENS, Benth. Decumbent from a woody caudex ; silky pubescence appressed; h:ill<is 
4-5" long, cuneate-obovate, rhombic-ovate or obovate-oblong, cinereous ; umix ls many-flowi-iid. cMj.i- 
tate, short-peduncled, bract 1-3-foliolate ; calyx silky-downy, teeth subequaling the camp:nmlatc tube ; 
flowers 5" long, yellow, keel acutish.— Oregon and Washington Territory. 
8. H. Heermaxxi, Dur. & Hilg. Villous-pubescent, much-branched, very leafy ; leaflets 2-r. long, 
obovate, roundish or oval-oblong; umbels 4-9-flowered, bract simple, peduncle often equaling the leaf; 
calyx loosely villous, teeth shorter than the cauipamilate tube ; flowers 2" long, keel very obtuse. See 
page 63. 
(b.) Minutely pubescent, glabrate, diffusely procumbent ; calyx-teeth short; seeded portions ..f ilie 
legume exserted beyond the calyx. California. 
9. H. MiCEANTiiA, Nutt. Annual (?;, slender, minutely villous ; lealiets :,-(;, i.biivat<'-obiong, 1^-3" 
long; umbels 3-5-flowered, bractless, short-peduncled; flowers U" long, keel obtusish. 
10. H. prostrata, Nutt. Silky-puberulent and glabrate, slender; leaflets 5-7, oblong-obovate, 
obtuse, 3" long; umbels lax, 5-10-flowered, on slender peduncles, bract simple; calyx eauipanulate, 
teeth very short ; flowers 3" long. 
$ 2. EUHOSACKIA, Benth. Legume linear, straight or nearly so, not rostrat.'l.v ai temiate : keel not 
falcately-attenuate, mostly very obtuse. 
* Leaflets 3-6, crowded-pinnate or quasi-palmate; stipules glaiulnhu- : i>e<lmi. hs ran l.v :;-!-) 
flowered ; bract simple, rarely 3-foliolate ; flowers yellow, claws not exserted, the vexiUnni hardly 
unguiculate, not apart, keel very short, rather straight and narrow. Perennial ; stems branch- 
ing, rigid. 
(a.) Peduncles all exceeding the leaves. 
11. H. RIGIDA, Benth. Silky or hoary-pubes, eni . --1-2 hi,i;h : leaih-.. v^u^^,h■,\. eun. ate-.,hlong 
or obovate ; calyx-teeth shorter than the tube.— Southern California to New Mexir... 
12. H. PUBERULA, Benth. Appresscd-pnbernlent ; leaflets :5-6, less crowded, linear. lancer,latr. 
the lowest oblong ; calyx-teeth attenuate. ,M|iialin- the tnhe. See page 411>. 
(b.) Peduncles >!i(irl. rarely equulin- tlie h af. sometimes ^ranting. 
13. H. Wrighth, Gray. Ash% -puberulent, bushy-hian. le -1. ^rvy 1. afy : Irailer. :\ :>. api.arently 
palmate and sessile, the lowest oblong, tin- rest filifonn-litn ar : . alyx-te, ih seta< eon~-nl.nlat.-. ahout 
equaling the tube ; flowers rather large.— New Mexico. Running into the last. , - ri 
» * Leaves pinnate, leaflets 5-21; umbels few- many-ilowered, pednneh-d. bracts ]-.,.UAu,laU- or 
wanting; TexiUum with a slender claw, more or less apart. Root jx rennia]. except ,n //. ^nan'nn,,. 
55 
