ROBINSON. — DIAGNOSES OF TROPICAL AMERICAN PHANEROGAMS. 621 



Gymnolomia scaberrima (Benth.), n. comb. Tithonia scaberrima 

 Benth. in Oerst. Vidensk. Meddel. 1852, p. 91. Tithonia platylepis Sch. 

 Bip. ex Benth. & Hook. f. Gen. ii. 368 (1873). Mirasolia scaberrima 

 Benth. & Hook. f. ex Hemsl. Biol. Cent.- Am. Bot. ii. 168 (1881). 

 Gymnolomia platylepis Gray, Proa Am. Acad. xix. 5(1883) ; Robinson 

 & Greenman, Proc. Bost. Soc. Nat. Hist. xxix. 102 (1899). G. decurrens 

 Klatt, Leopoldina, xxiii. 90 (1887). Perimeniopsis perfoliata Sch. Bip. 

 ex Klatt, Leopoldina, xxiii. 90 (1887). 



Verbesina (§ Saubenetia) Langlassei, n. sp., fruticosa 2 m. alta ; 

 ramis 4-angulatis angustissime 4-alatis striatis scabro-tomentellis ; 

 foliis lanceolatis oppositis sessilibus utroque acuminatis serratis vel 

 serratulis utrinque viridibus 10-12 cm. longis 2-3 cm. latis supra sca- 

 berrimis subtus vix pallidioribus flavescenti-viridibus tomentellis. ; 

 capitulis radiatis 9 mm. altis ca. 20-floris in corymbo piano densius- 

 culo ca. 6 cm. diametro basi foliaceo-bracteato dispositis ; pedicellis 

 tomentosis 4-9 mm. longis ; involucri ovoideo-subcylindrici squamis 

 subtriseriatim imbricatis extimis brevissimis suborbicularibus glabri- 

 usculis vix herbaceis, intermediis late ovati-oblongis stramineis intimis 

 paulo longioribus angustioribusque laete flavis ; flosculis 9 4-5 fertili- 

 bus liguliferis, ligulis flavis ellipticis 5-7 mm. longis, tubo gracillimo 

 glabro ; flosculis $ ca. 15, corollis flavis, tubo proprio brevi, faucibus 

 multo longioribus, dentibus limbi deltoideis brevibus erectis ; achaeniis 

 nigris saepe sursum albido-tuberculosis 3 mm. longis bialatis biarista- 

 tis. — Granitic soil, Sierra Madre Mountains, Michoacan or Guerrero, 

 Mexico, 1300 m. alt., 7 November, 1898, E. Langlasse, no. 595 (type, 

 in hb. Gray). This species appears to belong near V. acapulcensis Rob- 

 inson & Greenman, but is readily distinguished by its considerably 

 smaller leaves, smaller fewer-flowered heads, and non-herbaceous invo- 

 lucre. 



Otopappus brevipes, n. sp., fruticosus ; caulibus teretibus griseis 

 striatulis vix puberulis, internodiis 4-5 cm. longis; foliis ovati-lance- 

 olatis acuminatis ca. 1 dm. longis 3-4 cm. latis basi attenuatis mar- 

 gine mucronulato-denticulatis supra scabris rugulosis subtus griseo- 

 tomentosis reticulato-venosis ; panicula 1.5-1.8 dm. longa 1-1.2 dm. 

 diametro folioso-bracteata puberula, ramis capituliferis late patentibus 

 racemiformibus vel spiciformibus ; capitulis discoideis brevissime pedi- 

 cellatis ca. 1 cm. diametro ; flosculis numerosis ; corollis albidis, tubo 

 proprio gracili valde curvato sursum in fauces campanulatos abrupte 

 dilatatis, dentibus limbi deltoideis subrectis ; achaeniis 2-aristatis in 

 latere interiore a media parte ad apicem aristae interioris late alatis. — 

 Temperate region, Chiapas, Mexico, 1864-1870 (flowering in Novem- 

 ber and December), Dr. Ghiesbreght, no. 541 (type, in hb. Gray). In 



