142 NORTH AMERICAN FLORA [Volume 24 



almost white on both sides, conspicuously punctate beneath; peduncles 1-2 cm. long; spikes 

 dense, 1-2 cm. long, 6-10-flowered, often exceeding the leaves; calyx 3 mm. long, canescent; 

 corolla apparently very similar to that of the preceding; pod straight, linear-cylindric, acute 

 at both ends, 6-8 mm. long, 2 mm. thick, 3- or 4-seeded; seeds 1 mm. long. 



TypB locality: Santo Domingo. 

 Distribution: Santo Domingo. 



VI. Lespedezoides. Sh rubs or undershrubs. Leaves strongly ascending, with rather 

 conspicuous stipels, the lower and sometimes all unifoliolate, the upper usually 3-7-foliolate, 

 with silky-strigose, narrow, subsessile leaflets. Calyx-lobes lance-subulate, much exceeding 

 the tube in length. Banner obovate, short-clawed; wings and keel-petals obliquely oblanceo- 

 late; lateral spurs of the latter short, acute. Pod linear, cylindric, abruptly acute. Seeds 

 subprismatic. 



7. Indigofera lespedezoides H.B.K. Nov Gen & Sp 6: 



457. 1823. 



Indigofera grisea Desv. Ann. Sci. Nat. 9: 410. 1826. 



Indigofera Humholdtiana Spreng. Syst. 3: 276. 1826. 



Indigofera mucronata Willd.; Spreng. Syst. 3: 276. as synonym. 1826. 



? Indigofera pascuorum Benth. Ann. Nat. Hist. 3: 431. 1839. 



Indigofera Pohliana Benth Ann. Nat. Hist. 3: 431. 1839. 



Anila lespedezoides Kuntze. Rev. Gen. 160. 1891. 



Indigofera Acasoriicae Brand Univ. Calif. Publ. Bot. 7: 326. 1920. 



A shrub or at least shrubby at the base, with a thick root; stem 1-20 dm. high, branched, 

 erect, somewhat angled at first, strigose; stipules lanceolate, acuminate, 3-5 mm. long; leaves 

 ascending, 4-10 cm. long, short-petioled ; rachis grooved above; stipel present, jubulate, 

 minute; leaflets 3-7 (or the lower leaves and rarely all 1-foliolate), oblong to cuneate or obovate, 

 1-4 cm. long, 5-15 mm. wide, strigose on both sides, varying from acute to rounded or slightly 

 emarginate, often mucronate at apex, cuneate at the base; racemes at first densely flowered 

 and shorter, in fruit somewhat longer than the leaves; calyx 3 mm. long, canescent; corolla 

 rose-colored, 6-7 mm. long; banner obovate, short-clawed; pod 2-i cm. long, 2 mm. wide, 

 8-10-seeded; seeds 1.5-2 mm. long, 1 mm. thick. 



TypB locality: Mountain ol Jorullo, Michoacan. 



Distribution: Jamaica; Cuba; Hispaniola; southern Mexico to Bolivia and Brazil. 



Illustration: Mart. Fl. Bras. 15': pi. 5. 



VII. Leptosepalae Perennials, suffruticose at the base, with a thick woody root and 

 short caudex. Leaves spreading; leaflets 3-11, often alternate, sometimes even in number, 

 acute at the base. Calyx-teeth subulate, 2-3 times as long as the tube. Banner rounded-oval 

 or orbicular, short-clawed; wings obliquely oblanceolate or somewhat lunate, rounded at the 

 apex, with a small acute basal auricle; keel-petals oblanceolate; lateral spur acute. Pod 

 linear, cylindric or slightly 4-angled, tapering into a short beak. Seeds sub-prismatic, round- 

 angled. 



8. Indigofera sphenoides Rydberg, sp nov. 



A perennial ; stems branching, decumbent, 3-4 dm. long, sparingly strigose ; stipules subulate, 

 2 mm. long; leaves spreading, 2-3 cm. long; rachis and petiole strigose; leaflets 4-8 (the lower 

 pair usually represented by a single leaflet), cuneate, 5-9 mm. long, truncate or retuse at the 

 apex, sparingly strigose on both sides; raeemes lax, 7-10 cm. long, bearing the flowers near 

 the end; bracts subulate, shorter than the calyx; calyx strigose, 4-5 mm. long; corolla rose- 

 purple, 7-S mm. long; pod 2.5-3 cm. long, 2.5 mm. broad, straight, strigose, 6-9-seeded; 

 seeds 2 mm. long, 1.5 mm. thick, grayish-brown, mottled. 



Type collected at San Dieguito, San Luis Potosi, June 13-16, 1904, Edward Palmer 95 (Gray 

 Herbarium). 



