Part 6, 1929] FABACEAE: GALEGEAE 335 



broader; pod black -hairy, the stipe 4-5 mm. long, the body ellipsoid, 1.5 cm. long, 6-7 mm. wide, 

 and thick, acute at each end. 



Type locality: Arctic shores, westward of the Mackenzie River, Canada. 



Distribution: Arctic North America from the Coronation Gulf to Bering Strait, south to Mt. 

 St. Elias. 



2. Oxyphysae. Tall perennial herbs, with leafy stems and grayish pubescence. Calyx- 

 lobes lanceolate or subulate, longer than broad. Corolla ochroleucous or greenish-white. 

 Pod long-stipitate, the body papery, acute at each end, somewhat compressed and not strongly 

 inflated; cross-section lance-elliptic. 



3. Phaca oxyphysa (A. Gray) A. Heller, Muhlenbergia 2: 86. 1905. 



Astragalus oxyphysus A. Gray, Proc. Am. Acad. 6: 218. 1864. 

 Tragacantha oxyphysa Kuntze, Rev. Gen. 947. 1891. 



Perennial, with a rootstock; stem more or less silky-canescent, 3-10 dm. high, striate, 

 usually canescent, branched; leaves 1-1.5 dm. long, ascending; stipules membranous, ovate, 

 deciduous; petioles 0.5- 1.5cm. long; leaflets 11-21, oblong, obtuse, 1.2-5 cm. long, 2-5 mm. wide, 

 silky-canescent, at least when young; peduncles 1-1.5 dm. long, strict; racemes in flower 

 5-8 cm. long, in fruit about 1 dm. long; bracts subulate; pedicels 4—5 mm. long; calyx oblong- 

 campanulate, sericous, 8-9 mm. long; lobes subulate, half as long as the tube; corolla greenish- 

 white or ochroleucous, about 18 mm. long; pod stipitate, the stipe 5-6 mm. long, somewhat pu- 

 bescent, the body obliquely lanceolate in outline, somewhat compressed, acutish on the sutures, 

 glabrous, membranous, distinctly acute at the apex, attenuate at the base, 3-4 cm. long, 12-13 

 mm. wide; seeds dark-brown, obliquely obovate-reniform, 3 mm. long, 2 mm. wide. 



Type locality: Arroyo del Puerto, in the Mt. Diabolo Range, California. 

 Distribution: Coast-ranges of central and southern California. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 18, f. 68. 



i. Trichopodae. Tall perennials, with linear or oblong leaflets, pubescent at least beneath. 

 Calyx-lobes lanceolate or subulate, at least half as long as the tube. Corolla ochroleucous or 

 white. Pod stipitate, the stipe slender, usually exceeding the calyx, the body broadly ellip- 

 soid, papery; cross-section oval. 



4. Phaca asymmetrica (Sheldon) Rydberg. 



Astragalus leacophyllus T. & G. Fl. N. Am. 1: 336. 1838. Not A. leucophyllus Willd. 1803. 



Phaca leucophylla H. & A. Bot. Beech. Voy. 333. 1840. 



Tragacantha leucophylla Kuntze, Rev. Gen. 946. 1891. 



Astragalus asymmelricus Sheldon, Minn. Bot. Stud. 1: 23. 1894. 



Astragalus leucopsis leucophyllus M. E. Jones, Contr. W. Bot. 8: 23. 1898. 



Astragalus leucopsis asymmelricus M. E- Jones, Contr. W. Bot. 10: 62. 1902. 



Perennial, perhaps up to 1 m. high; stem white, silky-canescent, strigose; leaves S— 12 cm. 

 long, ascending; stipules broadly deltoid, about 5 mm. long and fully as broad; petioles 0.5-2 

 cm. long, as well as the rachis canescent; leaflets 19-37, linear or oblong, rather firm, white- 

 silky on both sides, 1-2 cm. long, 3-5 mm. wide; peduncles 5-15 cm. long; racemes about 5 cm. 

 long, in fruit sometimes I dm. long; bracts subulate, calyx silvery-canescent, the tube cylindro- 

 campanulate, 5-6 mm. long, the lobes subulate, 2-4 mm. long; corolla ochroleucous, 14—16 

 long; banner obovate, gradually tapering into the broad claw; blade of the wings oblong-lunate, 

 obtuse, about equaling the claw in length, with a large acute basal auricle; keel-petals similar 

 but the blades broader; fruit silky-canescent when young, becoming glabrate except the stipe, 

 the stipe in fruit 2.5-3 cm. long, the body oval-ellipsoid, 3-4 cm. long, 1.5-2 cm. wide and thick. 



Type locality: California. 



Distribution: Central and southern California. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 18; pi. 19, f. 71. 



