Eierndum. COMPOSURE. 429 



times glabrons : involucre 4 oi 5 lines high, glandular, sometimes a? al.-o peduncles glandn- 

 lar-hiipidulous: akeues rather >liurl:-coluninar : pappus whitish. — Gray, Proc. Am. Acad, 

 xi.x. 68. H. Scmderi, Hooker, in herb. & il^trib., Jjartly; Torr. & Grav, Fl. ii. 47^ & Gray, 

 Bot. Calif. 1. c, mainly, not Hook. Fl. H. cipwijlossoirJes, ^\rvet-Tonvet, .Sj'i' il. Hier. 20, 

 founded on undeveloped specimen of ParryV X. AVyoming coU. no. 1^^. E. Hall's Oregon 

 coll. 523 consists of this and //. Sinnin-i mixed. — X. W. Wyoming and ^lontana (Purler, 

 Parri/] to Washington Terr, and (Jregou (fifit coU. by Tohnie, &c.}; also Siskiyou Co., Cali- 

 fornia, Crime, p:is-in£; to 



Var. nudicaiile, Gray, 1. c. Leaves all in the radical tuft, or only one or two very 

 small and liracteiform on the (8 to 12 indi high) glabrou- scape. — X'orthern Sierra Xevada, 

 California, Lemmon, Mrs. Austin, the latter on La-ssen's Peak. 



-H- -H- -H* Flowers apparently yellow, only .5 to 15 in the narrow and diffusely paniculate heads: 

 involucre cylindracenus, net at all glandular (4 line- hi;rh), of 7 to 9 broadisb-linear and obtuse 

 principal bracts and 2 or .3 short one-; akenes comparatively large, fully 2 lines long, che-tnut- 

 brown, slightly or at maturity not perceptibly tapering to the summit: pappus dark-fu^ceus : 

 leaves obovate-spatulate, all in a radical tuft at base of the looselv branching (span to foot high) 

 scapes. 



H. Bolanderi, Ghay. Radical leaves sparsely or densely long-hirsute, no other pubescence, 

 scajies and involucre smooth and glabrons. — Proc. Am. Acad. vii. 365, Bot. Calif, i. 440, 

 & Proc. Am. Acad. xix. 68. — Mountains of California, Humboldt Co., D'lhmder. Xear head- 

 waters of the Sa'-ramento, Priiirjlf. Sierra Co., Lemmon. Only Bolander's specimen has 

 akenes narrowed upward. 



H. Greenei, Gray. Eadical leaves villous-hirsute, also canescent-tomentose on both sif'.es 

 witli stellular pubescence: scape with peduncles and involucre cinereou.s-tomentose. — Proc. 

 Am. Acad. xix. 69.^ Pine woods of Scott's Jlountains, Siskiyou Co., X. California, Greene. 



-H- -w- -w- -i-i- Flowers yellow, 20 to 30 in the oblong heads: akenes fusiform, tapering gradually 

 to a narrow summit, fully a« long as the white or whitish and softer pappus: stems scapifonn, 

 bearing one or two small leaves toward the base and subulate bracts subtending peduncles 

 or simple branches of the panicle : leaves of radical tuft obovate to spatulate, obtuse, entire or 

 minutelv denticulate, contracted into .short win^'-margined. petioles. — § C'/ijoHorociam, Sclmltz 

 Biji. in ijonplandia, 1801. Crfpi'lhpermum, Fries, Syinb. Jleleruphura, Schultz Bip. in Flora, 

 18iil. 434. (Transition to Crepis.) 

 H. Pringlei, Gray. Strictly scapose, completely destitute of setose hairs and of glands : 

 leaves wholly rosulate, very viUous-lanate both sides, obovate (2 or 3 inches long) : scape very 

 slender, a foot or more hijrli. minutely soft-puliescent, as also the involucre, loosely paniculate 

 above, bearing few (4 or 5 lines long) and scattered heads : forming akenes somewhat nar- 

 rowed upward : vormg pappus soft, brisrlit-white. — Proc. Am. Acad. xix. 69. — S. Arizona, 

 on Santa Rita jfountaius, Pringle, Lemmon. Specimens too young. 

 H. Pendleri Si hultz Bip. Subscapose, not rarely one or two leaves toward base of the 

 simple or panicnlatelv branching stem, sparsely setose-hirsute, not at all lanate, not gland- 

 ular or only oli-curely so on the peduncles: radical leaves spatulate or broader; cauline 

 yerging to ianceolate, reduced above to linear bracts : heads few and racemiform-paniculate, 

 or more numerous and corymbosely disposed, rather long-pedunculate : involucre half-inch 

 high, of 16 to 24 linear bracts and some short ones, pubernlent or glabrate, with or without 

 scattered setose hairs : akenes 2^ to fully 3 lines long, tapering from near the ba.-e to sum- 

 mit (at maturity the alternate nerves usually thicker than the others), sometimes reddish, at 

 length commonly blackish: pappus copious, soft, sordid-whitish.— Bonplandia, Lx. 173; 

 Gray, 1. c. ^Vf/"'.s amblgua. Gray, PI.' Fendl. 114. — Xew Mexico, Fendler, Wrirjht, G. IL 

 Vaset/. Colorado, Parry, Sail & Harbour. 

 ^=- Var. discolor, Gray, 1. c. Radical leaves (sometimes large, roundish, and over 2 

 inches broad) purple beneath: pappus nearly pure white.— Santa Rita and Huachnca 

 Mountains, S. Arizona, Lemmon, Pringle, the latter distributed as Hieracium enjthrospermum, 

 Greene, ined., which is the following. 

 4t^^ Yar Mogollense, Gray, 1. c. Leaves narrower, hardly if at aU pnrple-tm ^ed : 

 hristlv hairs .iisposed to be shorter: peduncles minutely and sparsely glandular-setulose : in- 

 volucre smaller (onlv 5 lines high): immature akenes reddish: pappus pure white. — i7. 

 brevipihim. Greene in Bull. Torr. Club, ix. 64, first distributed as " Bieracmm erythrosper- 

 mum." — MogoUon Mountains, Xew Mexico, Rusby. 



