1923] Ottley: A Revision of the Calif ornian Species of Lotus 207 



7. L. grandiflorus Greene (pi. 68, figr. 1). Erect perennials, 4 to 

 7 dm. high, A\oody at base ; leaves and young steins slightlj' puber- 

 alent, calyces more obviously so : leaves 3 to 9 era. long ; leaflets 7 to 9, 

 obovate, obtuse, mucronate, the largest 4 cm. long hy 1.8 cm. wide; 

 stipules gland-like ; umbels mostly few-flowered ; peduncles exceeding 

 the leaves: bract large, of 1 (to 3) leaflets; flowers a clear lemon- 

 yellow, turning a deep rose with age, 1.7 to 2 cm. long, the calyx not 

 quite half as long ; calyx teeth varying from long-subulate with a broad 

 base to nearly linear, half to nearly as long as tube, with soft short 

 white hairs at the sinuses between the teeth ; banner obovate-oblong, 

 Avith blade rolling back, attenuate into the claw ; wings much longer 

 than the keel, more or less canoe-shaped, turned somewhat obliquely, 

 one standing under, the other inverted over the keel; legumes linear, 

 many-seeded. 



Dry slopes in the Coast Ranges and in the Sierra Nevada from 

 Shasta County to Mariposa County. ]\Iarch-July. The plants of the 

 Sierra Nevada represent an extreme form which was named Hosackia 

 macro nth a by Greene. In this large form the leaves, peduncles, flowers, 

 and fruit (legumes 2 to 7 cm. long, 3 to 5 mm. wide) always approach 

 the upper limit in size. The triangular base of the long-subulate calyx 

 teeth is more pronounced and the soft hairs at the sinuses between the 

 calyx teeth are more abundant than in the plants of the Coast Ranges. 

 The typical form occurs in the Coast Ranges but is not so abundant 

 there as is the variety miitahilis. Distribution Map 3. L. grandiflorus 

 Greene with L. rigidus Greene. L. wrightii Greene, L. argyraeus 

 Greene, L. strigosus Greene, and L. tomenteUus Greene form a group 

 of species characterized by a corolla-form (see description above) 

 unlike that of anv other species of Loti found in California. Plates 

 68, 69, 70, 71. 



Localities. — Santa Ynez Mountains, Santa Barbara. Elmer 3918 

 (Jepson "06, Kew Herb., saj-s of a duplicate, "A most excellent match 

 for the type of Hosackia grandiflora Benth.") ; Montgomery Creek, 

 Shasta (^ountv, Eastwood in 1912; Brush Creek, Butte Countv, 

 Conger in 1907 ; western Nevada County, Essig and Hall 10169 ; 

 Magra Station, Placer County, K. Brandegee, June 5, 1908 ; Sweet- 

 water Creek, El Dorado County, Curran in 1883 (type of Hosackia 

 macrantha Greene) ; Agua Fria. Mariposa County, Congdon, May, 

 1884; Mariposa, Congdon, May 27, 1893. The plants cited below 

 combine characters of the species and of the variety mutahilis. These 

 plants are in general more robust than the variety but more pubescent 

 than the species. Ridge above Collin's Camp, Vaca Mountains, 

 Solano County, Jepson, June 12, 1893; Painted Cave Ranch, Santa 

 Barbara, Eastwood 34; mountains near Santa Barbara, State Survey 

 291, March, 1861 ; Santa Monica Canon, Los Angeles County, Earlier 

 107, 107a, the latter specimen, according to Jepson '06, Kew Herb., 

 "is conspecific with the type of Hosackia grandi/lora var. anthylloides 

 Gray"; Mountain Home Canon, San Bernardino ^Mountains, HaU 

 7503; Glen Martain, San Bernardino Mountains, Smith 12; Mohave 

 River district. Palmer 82; Strawberry Valley, San Jacinto Mountains, 

 Jepson 1286; San Jacinto, Gregory in 1892. 



