L06 0ONTRIBUTION8 PROM THE NATIONAL HERBARIUM. 



Bomen I uit unequal, about tin- length <>t tin- 1 nix-; petals yellow «>r the keel and \\ inga 

 Bomewhat r-« -« 1. 1 i-1 1 ; fruit pubescent 



Type CJ. B. National Herbarium no. 153017, collected by J. N. Rose and Jos. II. 

 Painter on a stony hillside Dear Ban Juan del Rio, Quere'taro, August is. 1906 

 (no. 9526 . Resembling P.plumosa, but leaflets smaller and glabrous above, stems 

 darker-colored, Bpikes Bborter, etc 



Parosela paucitiora Rose, Bp. n<>\. 



W ly at base, much branched, about 60 cm. high, tin- young branches finely 



pubescent; leaflets 7 to 9 pairs, sometimes reduced to '■'> pair-. Bmall, 4 t<> 7 mm. 

 long, oblong, acute or mucronate, hairy on both Bides, glandular beneath; bracts 

 lanceolate, acuminate, rather conspicuous, hairy; calyx tube short, hairy, the teeth 

 ovate at base tapering into long subulate tips longer than the the calyx tube; petals 

 small, white; keel am! wings borne <>n the stamen tube a little below the top; 

 ovary hairy. 



Type l". s. National Herbarium no. 316752, collected by C. G. Pringle in Bhaded 

 places on hills near Guadalajara, Jalisco, December 12, i s ^ s no. L825 



Parosela watsoni Rose, sp. nov. 



Perennial, with at least upper branches herbaceous, very villous; leaflets 9 to 11 

 pairs, hairy on both sides, linear-oblong, obtuse, •'! to 5 mm. long; spikes narrow, 

 very densely flowered; bracts linear to filiform, hairy: calyx hairy, tin- teeth longer 

 than the tube; petals small, white. 



Type l". s. National Herbarium no. 24472. collected by J>r. E. Palmer at Fraytas, 

 Chihuahua. 1885 (no. 252), and briefly described but not named by Dr. B. Watson. 



Parosela albiflora (A. Gray) Vail. 



Parosela eriophylla (S. Wats. Rose. 



Dalea eriophylla S. Wats. Proc. Am. Acad. 17:340. 1882. 



Parosela seemani (S. Wats. R 



Dalea seemani S. Wats. Proc. Am. Acad. 22:470. L887. 



Parosela greggii (A. Gray) Heller. 



Parosela wislizeni (A. Gray) Vail. 



Parosela argyrostachys (Hook. A: Arm) Rose. 



Dalea argyrostachys Hook. & Arm Bot Beech. Voy. 285. 1841. 



Parosela plumosa (S. Wats. Rose. 



Dalea plumosa 8. Wats. Proc Am. Acad. 21:448. L886. 



Parosela leucostoma (Schlecht) Rose. 



Dalea leucostoma Bchlecht. Linnaea 12: 294. IB 



Parosela doming-ensis I DC. 1 leller. 



Parosela formosa (Torr. ) Vail. 



Parosela purpusi (Brandegee) K 



Dalea purpusi Brandegee, Erythea9:2. 1899, 



Parosela berlandieri (A. ( i r;i\ ! « 



Dalea berlandieri A. Gray, Proc Am. Acad. 5: 177. 1861, 



Parosela microphylla ( II. B. K.) Rose. 



Dalea microphyllo II. B. K. Nov. Gens & Bp. 6:482. 1823. 



Parosela brandeg-ei Roe 



Dalea ramosissima Benth. PI. Hartw. 1844, not D. ramosissima Mart. &Gal. 1849 

 Namrd for Mr. Brandegee, who has called attention to the fact that two species 



a Proc Am. Acad. 21:424. I 



