PLANTjE ■vvrightian^. 



87 



pappo seiTulato-scabro. — Mountain valley 35 miles east of El Paso ; Oct. — Appar- 

 ently herbaceous, and two feet or more in height, paniculately much branched. 

 Cauline leaves an inch or an inch and a half in length, and mostly wider than long, 

 thin, veiny. Heads only three lines long. Achenia somewhat angled, but 10-striate. 



252. B. BACCHARiDEA (sp. uov.) t minutim glanduloso-puberula, glabrata ; cauli- 

 bus suffruticosis ramosissimis usque ad apicem foliosis ; foliis plerisque alternis co- 

 riaceis ovato-rhomboideis vel cuneato-oblongis grosse ina;qualiter dentatis valde re- 

 ticulatis basi in petiolum angustatis ; corymbuUs axillaribus breviter pedunculatis 

 vel ramulos breves terminantibus oligocephalis folia vix superantibus ; involucre cy- 

 lindraceo 15-18-floro, squamis omnibus obtusis, exterioribus ovalibus oblongisve, 

 interioribus linearibus ; pappo scabro. — Mountains near El Paso ; Oct. — A bushy 

 plant, apparently two or three feet high ; the flowering branches virgate, loaded 

 with heads. Leaves crowded, an inch or less in length, dentate with several salient 

 teeth, thickish, rather scabrous, somewhat resinous, punctate as are all the species. 

 Heads narrow, four or five lines long. Pappus very minutely scabrous. 



253. B. LACiNiATA (sp. nov.) : scabro-puberula ; caulibus fruticosis ramosissimis ; 

 ramis virgatis ad apicem usque conferte foliosis ; foliis plerisque alternis membrana- 

 ceis ovato-cuneatis oblongisve inciso-lobatis sen laciniato-dentatis petiolatis ; capitu- 

 lis breviter pedicellatis in ramos floridos subspicato-paniculatis confertis ; involucro 

 cylindraceo 9-floro, squamis obtusis submucronatis, extimis ovato-oblongis, intimis 

 linearibus; acheniis puberulis ; pappo scabro. — Mountain valley, 40 miles east of 

 El Paso ; Oct. (Also Saltillo, Berlandier, Gregg (No. 336), and in Western Mexi- 

 co, Seemann.) — A much-branched shrubby plant, 3-5 feet high. Leaves variable, 

 5 to 12 lines long, the larger sometimes deltoid-ovate and deeply laciniate-lobed, 

 most of them narrowed at the base. Heads narrow, 5 lines long ; the involucre 

 glabrous. Pappus minutely scabrous. 



254. EuPATORiuM Wrightii (sp. nov.) : fruticosum, cinereo-puberulum ; caule 

 ramoso (1 - 2-pedali) usque ad apicem folioso ; foliis plerisque oppositis ovatis ob- 

 tusis triplinerviis subintegerrimis in petiolum marginatum contractis ; capitulis co- 

 rymbosis circa 12-floris ; involucri subbiserialis squamis lineari-oblongis obtusis. — 

 Sides of the Guadalupe Mountains, 40 miles east of El Paso ; Oct. — Leaves half 

 or three quarters of an inch, or on the branches of the dense corymb two or three 

 lines, long, with a margined petiole about half that length, somewhat like those of 

 E. cuneifolium, WiUd., but commonly broader near the base. Heads three lines long. 



255. E. AGERATiFOLiUM, DC. /S. Texense, Toyt. ^ Gray, Fl. 2. p. 90; Grag, PL 

 Lindh. 2. p. 219. E. Lindheimerianum, Scheele in Limicea, 21. p. 599. Moun- 

 tain valleys beyond the Limpia. 



256. E. soLiDAGiNiFOLiuM (sp. uov.): glabellum, suff"ruticosum ; caule ramosissi- 

 mo ramisque floridis virgatis foliosis ; foliis oppositis lanceolatis et ovato-lanceolatis 

 acutis subintegerrimis membranaceis e basi obtusa triplinerviis petiolatis ; capitulis 

 parvis 3 - 5-floris in cymulas axillares breviter pedunculatas congestis paniculam 

 thyrsoideam foliosam efficientibus ; involucri squamis circiter 8 lanceolatis trinerviis 

 acutatis, externis brevioribus ; stylis apice crasso-clavatis ; acheniis hirto-puberulis. 

 — Mountains between the Limpia and the Rio Grande, New Mexico ; Aug. — Stems 



