Part 7, 1929] FABACEAE: GALEGEAE 397 



33. Tium recurvum (Greene) Rydberg. 



Astragalus recurvus Greene, Bull. Calif. Acad. 1: 155. 1885. 



A perennial, with a woody taproot and short, cespitose caudex; stems sparingly strigose, 

 2-3 dm. high, often purplish; leaves 3-6 cm. long, spreading; leaflets 17-19, linear-oblong to 

 obovate, 4—10 mm. long, 1-4 mm. wide, obtuse to retuse at the apex, glabrous above, sparingly 

 strigose beneath; peduncles 4—8 cm. long; bracts lanceolate, 1-2 mm. long; pedicels 1-2 mm. 

 long, recurved; calyx strigose, the tube 2 mm. long and broad, the teeth lance-subulate, 1 mm. 

 long; corolla 5-6 mm. long, purple-tinged; banner obovate, strongly arched at the middle; 

 wings of about the same length, the blade obovate, slightly falcate; keel-petals shorter, the 

 blade broadly lunate; pod lunate, about 2 cm. long, 2.5-3 mm. wide, and 2 mm. thick, purple- 

 tinged, glabrous, the upper suture convex and acute, the lower concave and sulcate, the cross- 

 section cordate, the septum 1 mm. wide. 



Type locality: Mountains of northern Arizona. 



Distribution: Arizona. 



Illustration: M. E. Jones, Astragalus pi. 42, f. 141. 



5. Orcuttiana. Pod rather membranous, short-stipitate, not pendulous, the body linear, 

 compressed, falcate, curved upwards. Slender plants with small pink corollas. 



34. Tium Orcuttianum (S. Wats.) Rydberg. 



Astragalus Orcuttianus S. Wats. Proc. Am. Acad. 20: 361. 1885. 



Astragalus Orcuttianus Gregorianus M. E. Jones, Contr. W. Bot. 10: 63. 1902. 



A cespitose perennial, with a short woody caudex; stems several, branched, decumbent 

 at the base, about 3 dm. long; leaves ascending, 5-12 cm. long; stipules deltoid, recurved, 

 about 2 mm. long; leaflets 17-25, suborbicular or broadly obovate, rounded to retuse at the 

 apex, 3-7 mm. long, thin, sparingly strigose or in age glabrate; peduncles 2-5 cm. long; bracts 

 subulate, 1 mm. long; pedicels 2-4 mm. long; calyx glabrate, the tube 2 mm. long, oblique, 

 the teeth 1 mm. long, deltoid ; corolla about 7 mm. long, pink ; banner obovate, strongly arcuate ; 

 wings much shorter, the blade oblong, falcate; keel-petals short, abruptly arched above, acute; 

 pod oblong, equally arched, acute at each end, short-stipitate, 15-18 mm. long, 4 mm. wide, 

 and 3 mm. thick, glabrous, widely sulcate on the lower suture, nearly 2-celled, except at the 

 tip, the upper suture sharp. 



Type locality: Camillas Canon, Lower California. 



Distribution: Lower California and southern California. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 65, 66; Contr. W. Bot. 10: pi. 12. 



6. Palantia. Pod thin-leathery, sessile or nearly so, subterete in cross-section, elongate, 

 oblong-cylindric, acute, more or less curved upwards, or straight with or without a shallow 

 sulcus on the upper or both sutures. Plants stout, rather tall, with middle-sized, white, pink, 

 or purplish corollas. 



35. Tium palans (M. E. Jones) Rydberg. 



Astragalus palans M. E. Jones, Zoe 4: 37. 1893. 



Astragalus lentiginosus palans M. E. Jones, Rev. Astrag. 125. 1923. 



A perennial, with a taproot; stem usually more than one from the base, glabrous or 

 sparingly strigose, slightly sulcate, often tinged with purplish below, decumbent at the base; 

 leaves ascending or spreading, about 1 dm. long; stipules deltoid, distinct, 5-7 mm. long; 

 leaflets 15-21, oval, obovate, or elliptic, 1-1.5 cm. long, acutish at the base, rounded or retuse 

 at the apex, glabrous on both sides; peduncles 5-8 cm. long, ascending or spreading; racemes 

 few-flowered, 3-5 cm. long; bracts lanceolate or subulate, 3-5 mm. long; pedicels 2-3 mm. 

 long, in fruit recurved ; calyx strigose with black hairs, the tube 5 mm. long, 3 mm. broad, the 

 teeth subulate, 3 mm. long; corolla purple, about 2 cm. long; banner broadly obovate; wings 

 shorter, obliquely and broadly oblanceolate ; keel-petals about as long, the blade broadly lunate, 

 with a large basal auricle; pod oblong, arcuate, subterete, acute at each end, glabrous, blotched 

 with purple, 2-3 cm. long, 5 mm. wide. 



Type locality: Montezuma Canon, southeastern Utah. 



Distribution: Southern Utah. 



Illustration: M. E. Jones, Rev. Astrag. pi. 25. 



