jgQ • LEUUMINOS.K. Lulhyrus. 



* * lihachis of the leaves not tendril-hear'uuj or rarely so : pod shortly stipitate. 

 +- red undts long, 2 - G-Jiowered. 



7. L. littoralis, Kinlliclier. Densoly silky-villous throu^'liuut: steins numerous 

 from creeping roolstucks, stunt, ilecunibent or ascending,', h to 2 feet lung : stipules 

 ovato-ublong, ucnto, entire, Imlf un ineh long; leatlets I to U pairs, with a small 

 linear or oblong terminal one, cuneate-oblong, 4 to lines long : calyx-teeth nearly 

 equal, as long as the tube : standard bright purple, 6 to 8 lines long, exceeding the 

 paler wings and keel : style tlattened most of its length : i)od obhmg, villous, an 

 inch long, 3 - r)-seeded : seed nearly 3 lines broad. — Gen. 1*1. 1271). Astruphia 

 littoralis, Nutt. in 'lorr. k Gray, Fl. i. 278. Orobus littoralis, (Jray, Pacil'. li, 

 Kep. xii. 58, t. G ; Torrey, Bot. Wilkes Exp. 208. 



Oil tl»c const near San Knim;i.s('o (yint/rcws) : more IVcquent from the iiioutli of the Ci>liniil)iii 

 lUver northward. Tliis ami the following species are the American representatives of the hinneau 

 genus Orobiis, chielly of the Old World, now generally made a section of Lalhyrus. 



8. L. Nevadensis, Watson, 1. c. Slender and usually low, linely pubescent or 

 nearly glabrous : stipules narrowly acuminate ; leatlets 2 to 4 ])airs, thin, ovate 

 to ovate-oblong, an inch or two long, obtuse or acute : flowers large, 7 to 12 lines 

 long, ochroleucous (?) ; calyx-teeth shorter than the tube : fruit unknown, perhaps 

 sessile. — L. venosus, var. obovatus, Torrey, Pacif. li. Kep. iv. 77. 



In the Sierra Nevada ; Dufiield's Ranch and Big Trees, Calaveras County, Biijclow, Brewer, 

 Ooodale, Maim. Apparently the same plant, though with ratlier narrower and acuteV leaflets, 

 lias been found hy Ncvius in the Blue Mountains of Oregon and by Geijer in Northern Idaho. 



L. POLYMORvnus, Nutt. l{ather stout, usually low, somewliat iinely pubescent or glabrous, 

 glaucous : stipules narrowly acuminate ; leaflets 3 to 6 pairs, narrowly oblong, acute, thick and 

 strongly nerved, an inch or two long : flowers very large, purple : jiod two inches long, 3 or 4 

 lines wide : seeds with a reniarkahly narrow stalk and short hilum. — This species ranges from New 

 Mexico and Colorado to Central Arizona; and perhaps to the hordei-s of California. L. oniatus, 

 Nutt., of Colorado and Utah, has narrower and shorter leaves, broader pods, and broader seed-stalk. 



+- 4- rcduncU's very short, \-Jhmered. 



9. L. Torreyi, <lniy. Sparingly villous throughout, erect, very slender, a foot 

 or two high : stipules narrow, acuminate, the lower lobe short; Icallets thin, I to G 

 pairs, with or usually without a simihir one terminating the slender rhachis, ovate 

 to oblong, acute, about half an inch long: flowers purplish, 4 to 6 lines long: calyx- 

 teeth narrowly subulate, nearly equal and exceeding the tube, or the upi)er some- 

 what shorter and broader : pod linear-oblong, pubescent, an inch long, 3-5-seeded. 

 — Proc. Am. Acad. vii. 337; Torrey, Bot. Wilkes Exp. 2G7. L. (I) villosiis, Torr. 

 in Pacif. R. Rep. xii. 58. 



In thickets near the coast, Shelter Cove, Humboldt Co. {Bolander) ; Washington Territory, 

 Pickering, Cooper, Hall. 



17. CERCIS, Linn. Ukd-uui). Jiiuas-tukk. 



Calyx cauii)anulate, very broadly and shortly r)-toothed. Petals 5 ; the standard 

 smaller and enclosed by the wings. Stamens 10, free ; anthers versatile, longitudi- 

 nally dehiscent. Pod shortly stipitate, oblong, flat, and thin, many-seeded, 2-valved ; 

 the ventral suture narrowly winged. Seeds compressed, obovato, transvei-se, albu- 

 minous. — Small trees; leaves simple, cordate to reniform, entire, palmately-veined; 

 stipules caducous ; flowers on slender pedicels in axillary fascicles, appearing befure 

 the leaves, red or purplish. 



A genus of 4 species, one belonging to Europe, one to temperate Asia, one in the Atlantic 

 States, and a fourth in California and eastward. 



1. C. OCCidentalis, Torr. A small tree or shrub, glabrous: leaves roundcor- 

 date, very obtuse aud not at all produced above, occasionally emarginate, about 2 



