146 



ing pedicels, rounded at both enda, reticulated, coraprossed between the 7 to 11 

 broadly oliovuto seeds. 



lliibitat: Frojii Colorado to Toxas and througl.out soiitliwe.stciii United 8tat.*8. 



Specimens examined: (;i>lora,do {Jiramlefjec, 1874, 1K77, r.l>7; Porhr, 1874); New 

 Mexico ( yasey, 1881; Unf/hf ;{r,2, type, 1027, type in part); Texa. ( lu,ey i:i2, 1881); 

 Arizona (/Vi«.^^' 43; Leuimon, 1S81 ; L'othrocklOOii; L'ous ■.im\ Palmer 513; Le Hoy's dis- 

 tnbiition); California (J'asei/, 1881). 



Type in Herb. Gray and Missouri Jiotanieal (iardeus. 



3. H. oxycarpa licnth. in Gray. PI. Wrij-'bt. i. 55 (1852). Plant, 10 to 20 cm. hi^h, 

 sleiKler, villons, -landnlar, from a snhfn.tescent base: pinnae, 7 to 11; lealletH 5 to 

 9 pairs, Mlender, ojahrous or Hubvillou,s, -lan<lular, sf i)M'l!ate; raceme raliier .lense, 

 with several small and pendent flowers: sepals f,rlandnlar on margin: petals almost 

 naked: ,ty!e olal,ro„H, Bl.Mider: pod broadly falcate, 25 by 7 mm., very acute, long 

 stipitate, glandular, with H to (J dark brown seeds. 



Habitat: From western Texas to Arizona an. I through northeastern Mexico to 

 Monterey. 



S,...cimens examinc.l: Texas ( Wriffht 1024, 147; Neally 111, 798); Nuevo Leon {Dr. 

 (ireyy, 1847. type; Kduanh ,^- Eaton 12, type). 

 Types in Herb. Gray. 



^^Shjh ciiUndricid, hdl-shaped above: pod linear-ohlong. 



4. H. gracilis Walson Proc. Am. Acad. xvii. 347 (1882). Low (10 to 16 cm. hi-h) 

 pnbenilent, wilii very slender stems and branches, Klainlless: i.inna- 3 to 7; leaHetwi 

 5 to 8 pairs, -labrato, fvljmdular, stipellate; stipules acute or attenuator: racemes 

 loo«e. Willi a few sulu'rect flowers on very long pedicels; sepals ctmcave, oblong- 

 obovato, blunt; vexillinn with daw rather narrow: filaments with obtuse pubes- 

 cence : sty\e pnb.'scent : j.od slightly curved, 25 by 5 mm., a.^ute, snberect on spread- 

 ing pedicels, scarcely glandular, comi>re8sed between the ti to 9 seeds. 



Habitat: Coahiiila, 10 miles south of Saltillo. 



Specimens examined: Coabnila (Pahnrr 275, tvi>e). 



Closely related to //. oxycarpa. Type in Herb. (;ray, J. Donnell-Smith, Canbv 

 and Martindale. "^ 



The two following species I have not seen, but translate Mr. Bentham's descrip- 

 tion as given in Gray, PI. Wright, i. 57. "The first (sS Gladiatw), including ff. ,,lndi- 

 nt„ -.md H. phayvm-pa. Herb. eoll. Trin. Dubl., with the habit an<l f<diage of // 

 8lr,rla, without l.lack dots on leaves, has the flowers nearly as in H. l)r„mmondn 

 and a straight or sliglitly curved pod, blunt at aj.ex. with the upper or seminal 

 suture more or less convex, and usually broad.'st below the middl.'." 



5 H. gladiata. Stipules ovate, acute; piume 3 to (I pairs and an odd one- 

 leaflets oblong, nerveless and glandless: calyx acute, hirsute, glandular: petals ob- 

 l.mg, with very short stij.es; pod lanceolate, slightly incurved, minutely hirsute 

 and scarcely glandular. (Zitnapan, Mexico, C«H//ec.) ' ' 



6. H. platycarpa. Stipules ovate, acute; pinna? 4 to 6 pairs and an odd one- 

 leali<.ts obhuig, nerveless, glandless: calyx acute, hirsute, glandular: petals ovate' 

 seanu'ly stipitate: pod broadly oblong, pubescent scarcely glandular. (Mexico' 

 Coulter. ) ■* 



-- rcxiU„u, broad, .rsxile, yJand»h,r: .slyJc ryUndri,^al: pod luna1e{much curved), acute, 

 atleniiate below, y}ahroii.'<: oJandnlar-HijM'Uaie. 



7 H Dnimmondii Torr. and (iray, F]. N. Am. i. 393 (1840). Plants 8 to 10 cm 

 high glabrate. glan.lular, uutch branched, frutescent from a shrubby base: leaves 

 small (h> to 25 cm. long); pinna-, 3 (seldom 5); leafl,.ts 4 to 6 pairs, "linear (4 mm 

 long); stipules small: flowers with conical bases: vexillum red spotted nearly 

 nake. I.elou : lihinents with few very short and blunt hairs, the outer glandular': 

 pods 2 cm. long. ° 



