150 



II. barbatum. fliutall in Amer. Phil. Soc. Vll. p. 70. 



II. longipiluui. Torrey et Gray Ft. Dor. Am. I. p. 477. 



In pratis ct silvis apricis Amcr. boreal, interioris a Michi- 

 gan lacum acl Illinois, Missouri ct Arl.cnsns, pacne usque ad 

 ttocky mountains. Spccimina a me dcscripta lecta ad St. 

 Louis, Illinois, a Dr. Schradcr. Julio , Aug. 



Inflorescentia afllnium singularis, thijrsotdea, in Iiac ct scqu. specie 

 fastigium est nacta, longissima. Caulis clatus, .'/. 5-pcdaIis, admodura 

 v.i lid us, 3-4-lin. crassus, rigidus, fcrc ligncscons, quo a praecedentibus 

 longe distat, infcrne dense foliosus ct sctosns, supra folia vcro glaber. 

 Folia I'iluxclliiitlcii. omnia conformia, sessilia, lanccolata (ct quidem in 

 noslris speciminibus angusta, valde acuta; scd, ex Torrey et-Gray, 

 oblongo- 1. spathulato-lanceolata), intcgcrrima, 3-6-poIlicaria , sursum 

 dccrescenlia , utrinque sctosa, interdum supcrnc glabrata. Pili totius 

 hcrbac longissimi, \ tine., gracilcs, strict!. Thyrsus discrelus, ad 2 

 pcdcs clongatus, sed valdc angustus, supcrne It-viler canofloccosus; rami 

 lulci-iilcs tenues, admoduin breves, vix unciales, patentes cum pedunculis 

 propriis brevissimis insupcr glanduloso-pilosi. Involucra parva, ovato- 

 cylindrica, canofloceulosa, glandnloso-pilosa. Squamae cxteriorcs paucae, 

 breves; interiores lineares angustissimac obtusiusculae; in dcdoratis acu- 

 minalac apparent. Ligulac parvac et styli lutei. Achacnia longa, gra- 

 rili;i. subtilitcr striata, nigrofusca, sursum obsolete altenuata, pappo ru- 

 tescentc aut potius fulvescentc. 



116. II. PENSILVANICUM , aphyllopodum , caule simplici hirsute 

 medio fotioso, foliis obtusis denticulatis sctoso-pilosis, hi- 

 fcrioribus obovatis pctiolatis, rcliquis ovalibus sessilibus, 

 thyrso longissimo aphyllo coarctato; ramis virgatis brevis- 

 simis divaricatis involucrisque gracilibus paucifloris dense 

 glanduloso-pilosis, acbacniis elongotis sursum attenuatis. 

 H. villosum, amcricanum, Pulm. gallicac facie. Plum. Cat. 10. 

 II. floribus in summis caulibus et ramulis confertis et vclut spicatis. 



Jlo/i Hut. III. p. 143. 

 II. Scoulcri c Pcnsilvania. Hook. Dor. Am. p. 298. scd spec, sub 



//. scubri nomine ab Ilookero in Mus. Pctrop. 

 II. Gronovii. y. Torr. ct Gray Dor. Am. p. 477? 



In Pcnsilvania! ct australioribus Amcricac focd. civitatibus 

 rcliquis rarius vidctur. Aug. Sept. 



Species cum // scabro frequenter confusa, at longe divcrsissima; 

 H. mariano vero niaximo afiinc. Spccimina vero coram praescnlia, v. 



