-•94 LEGUMINOS.E. Lupinus. 



the petioles: racemes 2 or 3 inches long, 5 - 10-flowered, rather long-peduncled ; 

 bracts short ; pedicels 1 or 2 lines long : upper calyx-lip 2-parted with broad acute 

 lobes • petals 6 or 7 lines long ; the yellow standard shorter than the rose-colored 

 wings": pod an inch long, nearly glabrous. — Proc. Cahf. Acad. ii. 192, fig. 58; 

 Wateon, 1. c. 537. 



In the Sierra Nevada from Nevada Co. to Mariposa Co. A peculiarly handsome and well 

 marked species. 



36 L. hirsutissimus, Benth. Stout, a foot high or more, very hispid with 

 spreading straiglit and viscid stinging hairs : leaflets 5 to 7, broadly cuneate-obo- 

 vate obt'iise or refuse or sometimes acute, mucronulate, f to 1^ inches long, half as 

 long as the petioles : racemes loose, 3 to 8 inches long ; bracts short, subulate, usu- 

 ally deciduous ; pedicels 1 or 2 lines long : calyx large, the broad upper lip deeply 

 deft : petals six lines long, nearly equal, reddish-purple : pod hirsute, an inch long. 

 Hort. Trans, n. ser. i. 409 ; Watson, 1. c. 



In dry places, from the Sacramento to Southern California. 



37 L. concinnus, Agardh. Low, 4 to 6 inches high, densely villous or hir- 

 sute :' leaflets 5 to 8, oblanceolate, 4 to 10 lines long, obtuse ; the slender petioles 2 

 to 4" times longer : raceme short, often nearly sessile ; bracts short, linear-setaceous, 

 persistent ; pedicels very short : upper calyx-lip 2-parted, the lower rather deeply 

 trifid : petals 4 lines long, violet ; the standard shorter, with a yellow spot m the 

 centre: pod 4-seeded. — Synopsis, 6, t. 1 ; Watson, 1. c. 



Var. Arizonicus, Watson, 1. c. Eather stout, a span high, more sparingly hir- 

 sute : leaflets oblanceolate to linear, obtuse or acute: raceme more elongated: petals 

 3 or '4 lines long, equal, ocliroleucous or tipped with violet : pod half an inch long, 

 3-5-seeded. 



From Monterey to Sonora, rarely collected; the variety in Southeastern California and Arizona. 



38 L gracilis, Agardh. Slender, 3 to 6 inches high, very hairy : leaflets 5 to 

 7, cuneateobovate, 3 to 6 lines long, the slender petioles 2 or 3 times longer: 

 raceme short, loose, flexuous ; bracts short; pedicels less than a line long: petals 

 blue and Avhite, 2 or 3 lines long, narrow; the standard slightly shorter ; the 

 flowers nearly as in L. micranthus : pod half an inch long : seeds a line m diam- 

 eter. — Synopsis, 15, t. 1 ; Watson, 1. c. 



From Monterey to Southern California ; rarely collected. 

 S 2. Flowers as in S 1 : ovules 2 : cotyledons broad and clasping after germination, 

 usually long-persistent. Erect annuals: leaflets cuneate-oUong or -ohovate : 

 bracts persistent : pod ovate. — Plattcarpos, Watson. 



* Flowers verticiUate: stems tall, with elongated peduncles. 



39 L microcarpus, Sims. Villous with long hairs, | to IJ feet high : stip- 

 ules "long, setaceous; leaves mostly approximate, on elongated petioles; leaflets 

 usually 9, cuneate-oblong, 1 to 2 inches long, obtuse or emargmate, sometimes acut- 

 ish, smooth above: pedicels 1 or 2 lines long: bracts subulate-setaceous, equalling the 

 calix or shorter: calvx densely villous, large; lips toothed, the iipper very short 

 and subscarious ; bractlets often wanting : petals purple to white, 6 or / l^^es fong, 

 equal; the keel slightly ciliate : pods villous, 8 lines lo"S-^— I^o^- f '\g- \ -^^^' 

 Watson, 1. c. 538. L. palustris & lacteus, Kellogg, m Proc. Calif. Acad. v. lb 

 & 37. 



Frequent from the Cohimbia Eiver to Southern California ; also a native of Chih. 



40 L densiflorus, Benth. Much resembling the last : more sparingly villous 

 with"sho"rter hairs : bracts usually much shorter than the calyx, which is smooth or 

 finely pubescent; the upper Hp often entire : petals yellow or ochrole.icous rarely 

 white or pink. - Hort. Trans, n. ser. i. 409 ; Lindl. Bot. Reg. t. 1689 ; Watson, 



