ROBINSON. — DIAGNOSES OF TROPICAL AMERICAN PHANEROGAMS. 621 
Gy lomi berrima (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. & Hdok. f. ex Hemsl. Biol. Cent.-Am. Bot. ii. 168 (1881). 
Gymnolomia platylepis Gray, Proc. 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 em. longis 2-3 cm. latis supra sca- 
berrimis subtus vix pallidioribus flavescenti-viridibus tomentellis ; 
capitulis radiatis 9 mm. altis ca. 20-floris in corymbo plano 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 
igris 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, HE. Langlassé, no. 595 (type, 
in hb. Gray). This species appears to belong near V. acapulcensis Rob- 
racemiformibus vel spiciformibus ; capitulis discoideis reviss} 
cellatis ca. 1 cm. diametro; flosculis numerosis ; corollis albidis, tubo 
proprio gracili valde cu i ut s abrupt 
dilatatis, dentibus limbi deltoideis subrectis ; achaentis 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, 0 bb. Gray). In 
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