PEA FAMILY. 217 



bracts linear, 7 lines long; upper lip of calyx slightly notched, the lower 

 entire; corolla sulphur-yellow, 8 lines long; banner orbicular, mucronulate at 

 apex, the sides reflexed : wings lightly coherent by their apices, inflated; keel 

 falcate, purple-tipped, lightly ciliate; pod 2 to 3 in. long, 8 to 12-seeded; seeds 

 oblong, dark. 



Common in sandy soils near the ocean : Alameda ; Angel Island ; San Fran- 

 cisco and north and south along the coast. Apr. Economically of importance 

 as a hold-fast in sand-dune country. 



2. L. variicolor Steud. Low, 1 to 1% ft. high, the stems woody only at the 

 very base ; herbage scantily hairy-pubescent ; leaflets 8 or the lowermost 6, 

 oblanceolate. 7 to 9 lines long; raceme mostly iy 2 to 3 in. long, the whorls 1 

 to 4; flowers 6 or 7 lines long; banner white or pale blue; wings blue; keel 

 ciliate for its whole length. 



Hill-slopes near the seashore : San Francisco ; Marin Co. Too near the next. 



3. L. chamissonis Esch. Stems densely tomentose, woody below, 1 to 

 3 ft. high; leaflets 6 to 9, more or less silky-pubescent, oblong-oblanceplate ; 

 petioles short, mostly not as long as the leaflets; flowers indistinctly or not at 

 all whorled, bluish or lavender, the banner with a permanent yellow spot ; 

 keel glabrous. 



Near the seashore: San Francisco and Marin Co. May. 



4. L. albifrons Benth. Silver Lupine. Branching bush 2 to 4 ft. high, 

 with a distinct woody trunk; growth of the season silky-pubescent; leaflets 7 

 to 10, oblanceolate to obovate, 10 lines long or less, silvery-silky on both sides ; 

 petioles mostly longer than the leaflets; flowers deep blue, in mostly distinct 

 whorls in a loose raceme often 1 ft. long; pedicels 3 lines long; upper calyx- 

 lip broad, cleft, the lower entire; petals subequal; banner broad, with a 

 whitish or sometimes yellow spot early changing to red-purple; keel ciliate; 

 pod 2 in. long, 5 to 9-seeded; seeds oval, 2 lines long, brownish, with a marginal 

 dark line. — (L. eminens and jucundus Greene.) 



Abundant, especially on the higher hills, Coast Eanges and Sierra Nevada. 

 Feb. -May. Sometimes low and caespitose, without a trunk. 



5. L. littoralis Dougl. Chinook Liquorice. Stems slender, decumbent or 

 ascending, 1 or 2 ft. long, from a yellow somewhat fleshy root; stipules 

 very large; leaflets 5 to 7, oblanceolate or cuneate-oblong, acute, */> to 1 in. 

 long, at least half as long as the petioles, silky on both sides, the hairs short 

 and appressed; flowers remotely whorled or more or less scattered in a short 

 raceme; calyx-lips of nearly equal length, entire; banner red, shorter than the 

 blue wings; keel ciliate; pod linear, hirsute; seeds linear, brown, with black 

 spots. 



Seashore from Pt. Reyes northward. 



6. L. sericatus Kell. Stoutish, decumbent, 5 to 12 in. high, minutely but 

 densely silky-canescent ; leaflets 6 to 7, spatulate-obovate, obtuse or retuse, 1 to 

 1*4 in. long, on petioles 1^2 to 4 times as long; raceme % to 1 ft. long, rather 

 long-peduncled; flowers deep purple; calyx-lips large, the upper cleft, the lower 

 obscurely 3-toothed; keel slender-pointed, lightly ciliolate; seeds light brown 

 and somewhat mottled. 



Howell Mt.j Mt. St. Helena; Cobb Mt. Ajjparently confined to the Maya- 

 camas Range. May. 



7. L. latifolius Agardh. Stems dark green and shining, erect, with slender 

 branches, but mostly simple below, 2 to 4 ft. high, equably leafy, the basal leaves 

 not long-stalked; almost or quite glabrous, except a minute appressed pu- 



