Stenotheca. — Sect. XXXIII. Crepidisperma; n. 512— 515. — Sect. XXXIV. Pellifera. 1113 



Wooton a. Standley, Fl. N. Mexico (1917) 628. — Crepis anibigua A. Gray in PI. Fend- 

 lerianae (4 849) 1 1 4 et PI. Wrightianae II. 106; nee I. (1852) 129. — Heteropleura 

 ambigud Sch.-Bip. in Flora (1862) 435. — H. nigrocollinum Watson in Proc. Am. Ac. 

 XXV. (1890) 133. — H. praemorsiformi subsimile. Phyllopodum, viridi-subglaucescens, 

 saepe suberiopodum et pluricaule. Caulis 25 — 60 cm pilis albis patentibus vel deflexis 

 densiuscule setosus vel glabratus, efloecosus. Anthela 5 — 1 5( — 40)-cephala, ramis ad 

 6, interdum ex omnibus axillis ortis, superioribus 1 — 3-cephalis, inferioribus saepe valde 

 remotis densiuscule setosis longis erectis cauliformibus corymbosb-racemoso-oligo (3 — 5)- 

 cephalis subfoliolaceis ; acladio 5 — 20( — 40) mm, pedicellis minute subglandulosis disperse 

 pilosis apice floecosis vel interdum densiuscule pilosis subcanis. Folia radicalia 3 — 14 

 obovato- vel oblongo-spathulata vel lingulata, apice rotundata vel obtusa, vel oblanceolata 

 acuta, saepe submagna (5 — 12 cm : 17 — 60 mm), saepe vinoso-colorata, latissime alato- 

 petiolata, utrinque longe et sparsim vel densiuscule setosa, margine dense ciliata simul 

 minute disperse glandulosa, subintegerrima vel cuspidato-serrulata, caulina 1 — 2( — 3) 

 saepe redueta vel lanceolato-oblonga vel elongata anguste lanceolata vel linearia in 

 bracteas folioliformes decrescentia ciliata obsolete denticulata. Involucra cylindrica, 

 10 — 12( — 14) mm longa, modice vel dense floecosa disperse vel densiuscule albopilosa 

 minute subglandulosa, squamis latiusculis obtusiusculis atroviridibus dilutius marginatis 

 apice subbarbulatis. Ligulae breves luteae. Styli initio lutei, livescentes. Achaenia rufo- 

 vel fuscoatra, i — 5 mm, sursum parum vel leviter attenuata, pappo ± sordide albido. 



Mexiko: Chihuahua: Chuchuichapa (Hartmann n. 698); bei der Kolonie Garcia 

 in der Sierra Madre, 2500 m (Townsend u. Barber n. 23!, Pringle n. 1536!). 

 New Mexico (Wright n. 1427), z. B. Santa Fe Creek (Fendler n. 488), Ozgan- u. 

 Mogollon Mountains. Arizona: 1 Santa Rita Mts., 1825 — 2450 m (Pringle), Fort 

 Huachuca (Lemmon n. 2804), Wil ow Spring (Palmer n. 532), Flagstaff, 2300—2670 m 

 (Mac Dougal n. 19; Purpus n. 7076!). Lower California: La Chuparosa (Bran- 

 degee). Colorado: Upper La Plata River, 3330 m (Baker, Earl u. Tracy, PI. of 

 South-Colorado n. 579: f. macrocephalum)\ Wyoming. Dakota. — Juni — September. 



Var. ß. diseolor A. Gray, Syn. Fl. N.-Am. I. 2. (1886) 429. — Caulis 2 — 3 dm 

 disperse setosus; folia magna latissime obovalia obtusa vel ovata vel ovato-lanceolata 

 subtus violacea vel vinoso-colorata; involucra angustissime cylindrica longa, squamis latis 

 obtusis vel breviter acutis. Pappus albus. 



Süd-Arizona: Berg Chiricahua, 2440 — 2510 m (Blumer n. 1597)! 



Sect. XXXIV. Pellifera. 



Pellifera Zahn. — Cfr. p. 1077 — Phyllopoda, pleio- vel polycephala. Folia radicalia 

 obovata vel oblonga vel elongato-oblanceolata ± linguiformia, caulina 2 — 5( — 6) oblongo- 

 vel angustius lanceolata vel inferiora lanceolato-lingulata, omnia pilis densis vel densis- 

 simis ± mollibus intricatis villoso-crinita vel pellifera, inferne saepe villosissima. Caulis 

 inferne similiter vestitus. Anthela paniculato-thyrsoidea ± glandulosa et floecosa haud 

 vel sparsim pilosa. Involucra (5 — )8— 9( — 1 0) mm cylindrica vel ovato-cylindrica parce, 

 raro densius floecosa sparsim vel densiuscule pilosa ± dense luteolo-glandulosa, squamis 

 zb obtusis. Achaenia obscure rufobrunnea 2,5 — 3 mm longa columnaria vel sursum 

 subattenuata, pappo nivescenti. — Praecedentibus duabus sectionibus valde affinis. 



Zentralamerika. — Fig. 78. 



Clavis specierum: 



A. Involucra 5 — 6 mm longa cylindrica densiuscule pilosa (in- 

 ferne subfloccosa), caulis 1 — 2 dm altus 516. H. stwppahvni. 



B. Involucra 8 — 9( — 10) mm, ovato-cylindrica, haud vel saepius 

 sparsim pilosa. 



a. Involucra parce vel subfloccosa dense glandulosa . . . 517. H. jaliacense. 



b. Involucra canofloecosa minus glandulosa 518. H. Pringlei. 



