i. — Inter 11. Gronovii et paniculatum. Phyllo- 

 olaceus et breviler, basi dense, 

 sursum deminute setoso-hirsutus, supra medium epilosus, apice densius floccosus eglan- 

 dulosus. Anthela saepissime longissima diffusa foliata, acladio 10—25 nun, ramis 

 5 — 12 valde remotis oblique erectis longis corymboso-paniculatis pleiocepbalis sub- 

 tloccosis apice parceglandulosis, inferioribus longissimis polycephalis, pedicellis sub- 

 tenuibus dense floccosis glandulosisque. Folia viridia supra subglaucescentia et disperse, 

 margine petioloque densius setosa (2 — 4 mm), sparsim minute glandulosa, subtus vix 

 parce vel densius floccosa, radicalia obovata rotundato-obtusa vel oblonga obtusa in 

 petiolum alatum brevem attenuata florendi tempore interdum emarcida, caulina 5 — 10 

 subremota submagna sensim minora elongata obelliptica vel oblonga obtusiuscula mucro- 

 nata vel superiora oblongo-lanceolata vel angustiora acuminata sessilia (inferiora in 

 petiolum late alatum brevem sensim attenuata) supra glabra. Involucra ad 7,5 mm 

 ovato-cylindrica dense glandulosa epilosa ± efloccosa, squamis sublatiusculis obtusis 

 obscure viridibus pallide marginatis. Ligulae breves, stylis fuscis. Achaenia 3 — 3,5 mm 

 fuscoatra sursum subattenuata. 



Maryland (Smith pro H. mariano)\ — Juni— September. 

 525. H. Scribneri Small in Bull. Torrey Bot. CI. XXI. (1894) 20, t. 172. — 

 Priori, ut videtur, valde simile. Glaucescens. Caulis 4 — 5 dm superne sparsim vel 

 diffuse ramosus, foliosus, glaber vel interne pilis longis argenteis subpilosus, saepe 

 flexuosus, ± striatus, ramulis pedicellis glabris vel dense glandulosis. Folia diversa, 

 inferiora oblonga vel oblongo-spathulata 5—^8 cm longa acuta petiolata basi attenuata, 

 reliqua oblonga, oblanceolata vel angustius vel lineari-lanceolata, 4 — 12 cm longa inter- 

 dum alato-(» fiddle-shaped*) petiolata, sessilia vel subattenuata, acuta, omnia utrinque 

 subglabra, apiculato-paucidenticulata, parce vel densius argenteo-ciliata. Anthela ± 

 corymboso-paniculata. Calathidium dilute luteum 20—25 mm in diametro. Involucra 

 10 mm subglabra vel glandulosa squamis lineari-subulatis acuminatis, extimis 1 I1 — \3 

 brevioribus. Achaenia columnaria vel apice leviter constricta indistincte costata, pappo 

 brevi (squamas internas haud superante). Inter venosum (vel Gronovii) et pankuhi turn. 

 Tennessee: Lookout Mt. (Scribner pro K paniculate). — Mai. 

 ;i26. H. pennsylvanicum Fr. Symb. (1 848) 150; Epicr. 156; Zahn in Engler's 

 Bot. Jahrb. LIl. (1915) 2 76. — H. Gronovii y. hirsutissimum Torr. et Gray, Fl. 

 N.-America II. (i 843) 477? — H. scabrum pennsilvanicum Hook. Fl. bor.-am. I. (1833) 

 '298. — Pilosella pennsilvannica Sz. Sz. in Flora (1862) 439. — H. Marianum c. 

 Prnns'jlvaniewm A.-T. Spicil. (1881) 13. — H. Floridanum Britt. in Torreya 1.(1 901 ) 

 42. — Inter Gronovii et scabrum. Caulis robustus crassus ad 1 m altus aphyllopodus, 

 interne dense et longe vel brevius setosus, sulcatus, sursum minus pilosus sed densius 

 floccosus, inferne efoliatus. Anthela longissima (ad 6 dm) determinata coaretata aphylla 

 vel bracteata, ramis numerosissimis (ad 60) subremotis divaricatis vel erectis tenuibus 

 floccosis dense tenuiter glandulosis subracemoso-2 — 10-cephalis (raro magis elongatis 

 squarrosis), pedicellis 15—20 mm tenuissimis dense vel canofloccosis epilosis, glandulis 

 trnollis subbrevibus densissimis obsitis. Folia caulina 15—35 ovali-ovata, elliptica vel 

 ovalo-oblonga sa.-po elongata submagna (9:4 — 5 cm) apice rotundata vel obtusa vel 

 nbtusmsoula basi ±z lata vel rotundata vel leviter cordata sessilia vel inferiora alato- 

 subpetiolata, ubique pilis basi alhobiill„.>is densi.iseulis villoso-hirsuta vel supra saepe 

 glabrescentia, sitnul subfloccosa, subtus dense floccosa, basi hirsutissima, haud vel suh- 

 dentinilata margine minute glandulosa, supra caulis medium cito minora vel valde 

 reducta ovato-acuminata. Involucra 5—8 mm cylindrica sat parva pauci (20 — 2 5,-flora 

 epilosa (inferne dense) glandulosa basi subfloccosa, squamis sublatiusculis linearibus 

 acutiusculis vel acutis obscure vel dilute viridibus pallide submarginalis. Ligulae breves 

 flavae, stylis fuscis. Achaenia 3,5—4 mm tenuia sursum vix attenuata vel truncata, 

 pappo albo-flavescenti brunnescenti. Quasi H. Gronovii aphyllopodum dense foliosum. 



