L110 



5—20 sensim decrescentia, ima oblonga obtusa vel saepe valde elongata suhnm-n 

 (ad 18: 1,5 cm) lanceolata acuta in petiolum latissime alatum basi subvagmantem 

 attenuata, margine sparsim vel modice ciliata (2 — 4 mm), ceterum glabra, saepe ± 

 purpurascentia, reliqua valde sensim angustiora et breviora glaberrima basi vix attenuata 

 sessilia, summa in bracteas lineari-lanceolatas vel lineares transeuntia. Involucra 9— 

 10 mm late ovato-cylindrica 15— 20-flora, squamis pallide viridibua sublanceolatis 

 attenuato- obtusis vel acutiusculis apiee roseo-purpurascentibus basi ipsa tantum interdiim 

 vix parcefloccosis, extimis brevissimis pallide virentibus. Ligulae brevissimae sursum 

 earneo-purpurascentes, stylis lividis. Achaenia 3.5 — 4.5 mm nigra sursum parum 

 attenuata, pappo niveo. 



Neu-Mexiko: Am Sudfufi der Finos Altos Mountains (Greene); El Capitan Mts, 

 in Lincoln Co., 2300—2500 m (Earle n. 204); Santa Rita Mis. im Suden der Blake 

 Range, 2300 m (Metcalfe n. 1465)! Siidarizona: Huachuca Mountains (Lemmon). 

 — Wooton a. Standley, Fl. N. Mexico (1917) 628. — Juli — Oktober. 



Var. p. ehihuahuense Rob. et Greenm. in Proc. Am. Ac. n. s. XXVIII. (1904) 

 17. — Folia basalia ad basin petioliformem attenuata, caulina snbtns (pariter ac perficelli 

 et squamae) subfloccosa; ligulae albidae. 



Mexiko: Chihuahua: Sierra Madre (Pringle n. 1315)!, bei der Kolonie Garcia 

 (Nelson n. 6192). 



508. H. prionobium Rob. et Greenm. in Proc. Am. Ac. 1. c. (1904) 17. — 

 Caules 1 — 3 erecti 6— 8 dm alti, inferne densiuscule et saepe deflexo-pilosi, anthela 

 laxe corymboso-paniculata, pedicellis arcuato-ascendentibus 1 — 3 cm ton-is subtomentosis 

 et setulosis, capitulis c. 12. Folia radicalia spathulata vel oblanceolata (15-20 cm: 

 10— 25mm) obsolete denticulata utrinque pilosa erecta apice rotundata; caulina lanceolato- 

 Imearia integerrima sessilia acuta (20— 6 cm : 15—3 mm) sparsim floccosa. Involucra 

 8 mm anguste campanulata ad 30-flora, squamis ad 14 linearibus acutis nigrescentibus 

 dorso glanduliferis et hirtellis. Ligulae luteae. Achaenia rufo-brunnea sursum parum 

 attenuata, 4 mm, pappo albo. 



Mexiko: Sierra Madre (H. Schultzii Pringle n. 1313; Nelson n. 6128). 



509. H. crepidispermum Fr. Symb. (1 848) 1 46; Epicr. 152; Watson in Proc 

 Am Ac. XVIII. 110; Gray 1. c. XIX. 70; Hemsl. Biol. Centr.-Am. Bot. II. 259; Rob- 

 et Greenm. 1. c . n . s . XXVIII. 18. — Crepis stcnotheca Fr. Symb. 1. c. - Hetempknya 



■■:- >-!■"■»"< Sch.-Bip. in Flora XXXXV. (1 862) 435. - H. tolucanum A.-T. in Ann. 

 Jard. Geneve I. (1897) 92. — Sub anthesi hypo- vel aphyllopodum. Caulis 16— 80 cm 



unollibus crinitus, 



inferiora pilis 



defied 



breviterque setulosus sub- (interdum usque « 



tree) glandulosus, sub- (apice densius) floccosus. Anthela racemoso-thyrsoideJ 

 miculato-corvmbosa saepe elongata, ramis paucis vel ad 1 5 brevibus vel parum elon 



saepe valde i 



ato-erectis vel distantibus apice 2 



" ' ' ^Pfalis, mns foliis lineari-lanceolatis suffultis, (saepe ± cano-) ttoccosa mm' 



ul ° sa m vel s Parsim pilosa, pedicellis tenuibus similiter vestitis vel suM" 

 lAl "»- foha plundenticulata efloccosa margine parce et minute glandulifera, rosulan 

 sac, > 2 ° ] T ,0Dga ad 2 cm ,ala ) lanceolato-oblonga vel late lanceolata in petiolui" 

 • »e longum longissime attenuata utrinque pilis tenuiter setosis basi bulbillosis den ^ 

 ' vel breviter ( = H. tolucanum A.-T.) birsuta vel subcrinita, margine • ■■>'-^ 



doisali et , n petiolo mollius lanata (novella dense longeque lanata), llorendi -mi < 

 oblonirr 1 * e ' n f cida '' cau »™ ad 8-12 submagna elongata oblonga obtusius--" * - 

 > longo-lanceolata inferiora basi attenuata sessilia. media superioraque DasHat t el 

 sun Hn subam n lex ^aulia, supra basin interdum leviter panduriformia, ± ■ 

 alhidi . " lag,S rem ° ta e basi ,ata vel ovata lanceolata, omnia utrinque birsn 

 Jt,!! IT" •V.'" : «* »'»' graciliter vel ,-rass, eylindrica ad 6 i-"--' ^ 

 eviter pilosa, glandulosa, basi parcissime ' t 



