CO PROCEEDINGS OF THE AMERICAS ACADEMY. 



•ireene) Robins. m, n. comb. (A'//rstrnia betulaqfolia Greene, LeafL i. 

 10, L903.) It differs, however, in having decidedly narrower Lea 

 which arc entire al the attenuate apex ; the bracte are also of different 

 form, being narrowly lanceolate, quite entire, and Btrongly attenu 

 furthermore the invulncral scales are of a more herbaceous texture. 

 Whether these distinctions will prove constant cann.it be foretold ; but 

 on the whole they appear rather too significant t.> permit the placing 

 of the present plant under A', betulaqfolium a- a variety. 



Eupatorium campechense Robinson, Q. Bp., Bubglabrumj ramis 

 teretibus striatulis glaberrimis lignescentibus modice inedullosis ; foliis 

 oppositis petiolatis lanceolatis attenuate Baepe falcatis 3-nerviis crassi- 

 usculis nitidulis 8-10 cm. longis 2.4-3 cm. latis glabris vel in nerviis 

 primariis obscure puberulis subremote serratis ; petiolo ca. 1 cm. longo 

 obcompresso supra canaliculato glabro vel papilloso ; inflorescentiis 

 amplis oppositirameis ; capitulis numerosis ca. 5-floris graciliter pedi- 

 cellatis subdense coryinbosis ; ramulis paniculae et pedicellis gracil- 

 limis puberulis; involucri squamis 5-stachyis imbricatis stramineis 

 glaberrimis obtusis, extimis brevissimis ovatis ca. 1 mm. longis inter- 

 mediis gradatim longioribus ovato-oblongis, intimis (numero ca. 5) 

 anguste oblongis 7 mm. longis ; corollis tubulosis sine faucibus dis- 

 tinctis G mm. longis, dentibus limbi ca. 1 mm. longis lanceolatis re- 

 curvatis ; acbaeniis prismaticis 5-angulatis fuscis in faciebus et in 

 costis pubescentibus 3.3 mm. longis deorsum modice angustatis ; pappi 

 Betis ca. l'ii levibus albidis 4-5 mm. longis. — Apazoli near Sohaltun, 

 Campeche, Mexico, 30 December, 1900, E. A. Goldman, no. 5<>4 (tj^pe, 

 in hb. U. S. Nat. Mus. ; fragments in hb. Gray). A species well marked 

 and apparently without close ally. 



Eupatorium chrysostyloid.es Robinson, n. sp., herbacenm sub- 

 erectum 1.3—4 dm. altum pilis crispis griseis brevibus hinc inde glan- 

 (luliteris puberulum ; caule solitario modice curvato vel tlexuoso obtuse 

 angulato pallide viridi folioso, in parte inferiore subsimplici ; foliis 

 oppositis longe petiolatis concoloribus viridibus nee luoidis late del- 

 toideo-ovatis 3—6 cm. longis 2.4—5 cm. latis obtusis vel modice acutis 

 grosse crenato-dentatis basi subtruncatis :■> -nerviis in petiolum breviter 

 decurrentibus ; petiolo 1-4.5 cm. longo; corymbis rotundatis nmlti- 

 capitulatis densi usculis ramos terminantibus ; pedicellis filifbrmibus 

 griseo-pubescentibus ; capitulis ca. 20-floris ca. 1 cm. longis 6 mm. 

 diametro ; involucri turbinato-cylindrati Bquamis numerosis anguste 

 lanceolatis viridibus pallide uervatis hispidulis aontissimis valde inae- 

 (pialibus multiseriatis ; corollis viridi -albidis angustissimis brevissime 

 . r )-dentatis, faucibus nullo modo ampliatis ; styli ramis Longissimis aureis 

 valde exsertis ; achaeniis 5-angulatis prismaticis 2.5 mm. longis basi 



