149 



14 H. melanosticta fJrny, I'l. Wrij^ht. i. r.l (18;-2). Evft, -5 to fiO <.u.. (or.nore) 

 ],i„.|, ii,na, fn.tcsornt, bhu'k sm.il(> j-liUuluL.r, lioar.v with short villous retrorse 

 h.u.s- leaves iVv., 3 to G ci... lo..-, very ohtus.- or retu..-, loo.oly villous as also the 

 rhachi8e.s: ra,:emes elongated, 15 cm. (or more) long, luany-ttowered, with po.lB,-arly 

 d«'rid,ioiis- calvx.h.nsrlv covenHl with smalll.rowu pyrifonuglaiuls: petals with tew 

 villi abov. on margiuaudvoms, the vcxillu>nd,-M.sHyvill<msl,eh)w,witlxmmutepyri- 



form olands above : stvle with lar-e setose projectious and black sessile glands Ih-Iow : 

 po<l snbereet on straight pedi.els, broadly as<.iuacif<>rm, 23 by 9 mm, round.d at 

 base, covered with large proje<.tions; seeds usnally 3, obloug-obovate, 3 by o mm., 

 angular, greenish. 



I'omaria melanoaticta Schaner, Linna-a, xx. 748. 



Habitat: Chisos Mountains, soutbwest Texas. 



Specimens examined. Texas (.VeaJ/c;/ 110, 448). 



These Neallcv speeinn^ns correspond mostly with Sehaner's description, and ditfcr 

 from the tw<. tbllowing forms in the many very small pyritorm glands on the vexil- 

 Inm, the broadly ascinaciform j.od on straight pedicels, and the snnill angular green- 



'' VarVauryi Move slender thronghout, not so wo.xly or rigid: leaves spreading, 

 l,>t.ger; pinna^ 3 ti, 5 (usually .5); Icallets larger, and never more than three pairs: 

 vuvn.e of a lew pendent and larger tbnvers: sepals not so glandular: petals with no 

 villi on margin or veins, an<l vcxillnm glandless: ovary long, with sides parallel: 

 pod rhombic (both ends acute), 3 by 1 cm., p<-ndent on curved pedicels: seeds 3 or 4, 

 ollipto-obovate (not angular), (i by 4 mm., brownish. 



Habitat- New Me.xieo, beh.w San Carlos on the Hio (irande. 



Specimens cxainin<^<l. New Mexi.H> ( I'urry in Mexican lioundary Survey, 283, type). 



Type in Herb. Gray. 



Var GHi-G(;n St.-ms branched: pubescence scarcely villous; foliage as m var. 

 Parr,ni --^'cpt not so long, and the piiune with 3 or 4 (usually 3) pairs of leartet^ : 

 petals with few and the vexiilum with several black depressed scssde glands, with 

 no villi on margin or on veins: style with no projections or glands: stig.ua .short, 

 opening small: p..d snblunate, 25 by 6 mm., base usually incurved, pmuted: seeds 

 2 or 3, like var. Parrnii. i 



Habitat: Southern Coalmila. 

 Specimens .examined : Coalmila (Grcj?/? 497). 



* * * /'7oicer» {m well an the entire lilant) with Mack deprcused sessile glands. 

 15 H canescens. Tall, lu^rbaceous (scarcely suftrutescent below), hoary and 

 vclvetv with a dense short-villous pubescence: leaves slender (5 to 9 cm. long); 

 pinna. 5 to 9 (nsnallv 7) ; leaflets 4 to 7 pairs, 5 to 9 mm. long: r.acemes lateral, loose 

 <h.nseat Hrst), with 10to20 pendent tlowers: sepals black with glands: vexiUuni 

 e<.landular, with .law broadly dilated : style with pubescence, glands and setose pro- 

 jecti.ms bcb.w: pod broadly falcate, 27 by 7 mm., velvety with setose projections: 

 Bceds dark, eircnlar or oblong (1 mm. I<nig). 

 Type in Herb. (Jray, and .). DonnelbSmith. 

 Habitat: Coahuila, n<'ar Saltillo. 

 Specimens examined. Coahuila (7Vi/mc/- 2(19, type). 



This sp.^cies is most n.'arly related to //. Jamesii, but very different m being tall 

 and herbaceous: stems not Hexnous: hoary and velvety thnmgbout with short-villous 

 (not appressed) pubescence: long and thick iicduucles: 8*'pals attenuate-lanceolate, 

 with now and then a Hask-shaped gland: vexiilum glandless (seldom a gland) : style 

 short, with neither membrunacconsside nor slit from stigma : pod long, sides parallel, 

 both 'ends tapering equally, densely covered with glands, pubescence and long 

 setose projections: seeds small. 



16 H Jamesii Torr. and Gray, Fl. N. Am. i. 393 (1840). Canescently pubescent, 

 with many suifrntesceut stems (20 to 3.-. cm. high) from a thi<'k ligneous root: leaves 

 many, short ; pinna* 5 to 7 ; leallcjts 5 to 10 pairs ; racemes lateral, loose, with nodding 



