December 7, 1912 m 



LUPINUS Chamissonis Esch. Mem. Acad. Petersb. 10: 288 

 1826. 

 A sand dune species common about San Francisco, where 

 it was first collected. I liave seen it as far north as Bodega bay 

 in Sonoma county, and it is said to extend as far south as Orange 

 county. Common on the dunes beyond Del Monte and to Mon- 

 terey, it is strangely absent about Pacific Grove and from Point 

 Pinos. Some of the leaves turn fuscous with age. The face of 

 the banner retains the yellow spot, and the keel is glabrous. 



LuPiNUS COLLINUS (Greene) Heller, Muhlenbergia 2: 292. 1907. 

 This differs from all the other Californian members of the 

 group in having herbaceous stems and no woody trunk, merely 

 a thick rootstock which sometimes develops short creeping woody 

 stems. It has smaller and narrower leaves than L. albifrons^ 

 with which it was first associated as a variety, and the keel is 

 glabrous instead of ciliate. The typical plant is found only on 

 the hills about San Francisco, but I have provisionally referred 

 to it a plant from Mt. Hamilton and neighboring ridges. 



Lupinus acutilobus sp. nov. 

 A shrub (§ Albifrondes) about a meter high: herbaceous 

 branches including the inflorescence about 3 dm, long, silky 

 sericeous, as are the leaves, pedicels and calyx, very leafy: peti- 

 oles little longer than the leaflets, these 7 to 9 in number, ob- 

 long or oblong-spatulate, the larger ones of the middle part of 

 the stem 3 cm. long, 6 mm. wide, some of the upper and lower 

 little more than half that length but nearly as wide; clusters of 

 smaller leaves in the axils; stipules narrowly lanceolate, acumi- 

 nate, 6 or 7 mm. long, nearly free, or the lowermost i cm. long, 

 half free: peduncles rather stout, 3 toScm./long: inflorescence 

 about I dm. long, the flowers whorled, equaling the internodes: 

 pedicels stout, 5 or 6 mm. long: bracts lanceolate-acuminate, 

 6 mm. long, 2 mm. wide at base: upper calyx lip 6 mm. long, 

 nearly 5 mm. wide when spread out, parted to the middle, the 

 sinus broadly V-shaped, the acuminate apices slightly divergent; 

 lower lip nearly 8 mm. long, 3 mm. wide at base, 1.5 mm. at the 

 3-toothed apex; a bractlet 3 mm. long inserted a little below the 



