PEA FAMILY 545 



17. Hosackia maritima Nutt. Coastal Hosackia. Fig. 2726. 



Hosackia maritima Nutt. in Torr. & Gray, Fl. N. Amer. 1 : 326. 1838. 

 Lotus salsuginosus Greene, Pittonia 2: 140. 1890. 

 Anisolotus maritimus Heller, Muhlenbergia 8: 48. 1912. 



Annual, the stems several from the root crown, prostrate or decumbent, 1-2 dm. long, whole 

 plant somewhat succulent and sparsely strigose. Leaf-rachis 1-2 cm. long ; leaflets 4-6, obovate, 

 5-15 mm. long; peduncles about equaling the leaves; bract 1-foliolate, broadly ovate; umbels 

 1-5-flowered ; calyx-tube 3 mm. long ; teeth 2 mm. long, broadly subulate ; corolla 7-8 mm. long, 

 the blades abruptly narrowed to the short claws; pods 15-30 mm. long, 2 mm. wide; seeds globose 

 to obliquely ovoid, smooth. 



Grassy slopes, mainly Upper Sonoran Zone; Santa Clara County, California, to northern Lower California. 

 Type locality: Santa Barbara. March-July. 



18. Hosackia humilis (Greene) Abrams. Humble Hosackia. Fig. 2727. 



Lotus humilis Greene, Pittonia 2: 140. 1890. 



Lotus salsuginosus var. brevivexillus Ottley, Univ. Calif. Pub. Bot. 10: 217. 1923. 



Annual, the stems several, prostrate, 5-15 cm. long, whole plants very sparsely strigose or 

 glabrate, somewhat succulent. Rachis of leaves 3-10 mm. long; leaflets 3-5, cuneate-obovate, 

 4-10 mm. long; peduncles 1-3-flowered, 5-20 mm. long; bract 1-foliolate, round-ovate; calyx- 

 tube scarcely over 1 mm. long, longer than the subulate teeth; corolla 3-4 mm. long, the keel 

 longer than the standard and wings; pods 10-15 mm. long, 2.5 mm. wide, distinctly constricted 

 between the obliquely ovoid smooth seeds. 



Desert regions, Lower Sonoran Zone; Panamint Mountains, California, to Arizona and Lower California. 

 Type locality: San Bartolome Bay, Lower California. Feb.-May. 



19. Hosackia denticulata Drew. Toothed Hosackia. Fig. 2728. 



Hosackia denticulata Drew, Bull. Torrey Club 16: 151. 1889. 

 Lotus denticulatus Greene, Pittonia 2: 139. 1890. 

 Anisolotus denticulatus Heller, Muhlenbergia 7: 139. 1912. 



Annual, the stem erect, with a few stout ascending branches, 2-5 dm. high, glabrous or 

 strigose. Leaf rachis 8-15 mm. long; leaflets 3 or 4, obliquely obovate, acute or obtuse, often 

 denticulate, 5-15 mm. long, pilose; flowers subsessile; calyx pilose, the tube about lmra. long, 

 the subulate teeth about twice as long ; corolla 4 mm. long ; blade of standard suborbicular, keel 

 attenuately beaked; pod 1-2 cm. long, 3-4 mm. wide, appressed-pubescent; seeds asymmetric, 

 notched at the hilum, with an elevation on one or both sides, smooth. 



Grassy slopes, mainly in the Humid Transition Zone; British Columbia south, mostly west of the Cascade 

 Mountains, to northern California. Type locality : along Mad River, near Jarnigan s, Humboldt County, Cali- 

 fornia. May-July. 



20. Hosackia subpinnata (Lag.) Torr. & Gray. Chile Hosackia. Fig. 2729. 



Lotus subpinnatus Lag. Gen. & Sp. PI. 23. 1816. 



Lotus Wrangelianus Fisch. & Mey. Ind. Sem. Hort. Petrop. 41 : 16. 1835. 



Hosackia subpinnata Torr. & Gray, Fl. N. Amer. 1 : 326. 1838. 



Hosackia Wrangeliana Torr. & Gray, Fl. N. Amer. 1 : 326. 1838. 



Lotus subpinnatus var. Wrangelianus Jepson, Fl. W. Mid. Calif. 303. 1901. 



Annual, the stems diffusely branched, decumbent, 5-20 cm. long, glabrate to strigose. Leaf- 

 lets 3 or 5, narrowly to broadly obovate, entire, 5-15 mm. long, strigose or pilose; flowers sub- 

 sessile; calyx 4 mm. long, the teeth about equaling the tube; corolla yellow, tinged reddish 

 purple in age, 5-6 mm. long ; keel attenuately beaked ; pod 1-1 . 5 cm. long, 3 mm. wide, rather 

 sparsely appressed-pubescent. 



Grassy slopes, Upper Sonoran and Transition Zones; Humboldt County and western slopes of the Sierra 

 Nevada, California, south to Lower California; also Chile. Type locality: Talcohuano, Chile. March-June. 



21. Hosackia brachycarpa Benth. Short-podded Hosackia. Fig. 2730. 



Hosackia brachycarpa Benth. PI. Hartw. 306. 1848. 



Lotus humistratus Greene, Pittonia 2: 139. 1890. 



Lotus trispermus Greene, Erythea 1: 258. 1893. 



Anisolotus brachycarpus Rydb. Bull. Torrey Club 33: 144. 1906. 



Annual, with general habit of the preceding species, but whole plant densely villous. Calyx- 

 lobes about' twice as long as the tube; pods densely villous, 5-10 mm. long, 2-5-seeded. 



Dry gravelly or sandv ridges, mainly Sonoran Zones; Humboldt County and the Upper Sacramento Valley, 

 California, to Lower California and New Mexico. Type locality: "In montibus, Sacramento. Collected by 

 Hartweg. 'March-July. 



22. Hosackia parviflora Benth. Small-flowered Hosackia. Fig. 2731. 



Hosackia parviflora Benth. Bot. Reg. 15: under pi. 1257. 1829. 



Lotus micranthus Benth. Trans. Linn. Soc. 17 : 367. 1837. 



Hosackia microphylla Nutt. in Torr. & Gray, Fl. N. Amer. 1 : 326. 1838. 



Anisolotus parviflorus Heller, Muhlenbergia 3: 100. 1907. 



Annual, branching mostly from the base, the stems erect or ascending, slender, 1-3 dm. high, 

 whole plant glabrous or very sparsely strigose. Leaf-rachis 3-10 mm. long; leaflets 3-5, oblong 



