534 ROBINSON. 
N. L. Britton & J. F. Cowell, no. 12,763 (herb. N. Y. Bot. Gard.; 
photograph in Gray Herb.). 
Eupatorium epaleaceum (Gardn.), comb. nov. Chromolaena 
epaleacea Gardn. in Hook. Lond. Jour. Bot. vi. 436 (1847). Eupato- 
rium lupulinum Bak. in Mart. FI. Bras. vi. pt. 2, 301 (1876). 
EvPpaTORIUM HAVANENSE HBK., var. domingense (DC.), comb. 
nov. E. ageratifolium y ? domingense DC. Prod. v. 173 (1836). 
EvuPATORIUM KLEINIOIDES HBK., var. lasiolepis, var. nov., formae 
typicae simile differt praecipue involucri squamis dorso conspicue 
pubescentibus, pilis tenuibus attenuatis curvato-adscendentibus 
vel irregulariter patentibus.— Tropical Brazi, Burchell, no. 6885 
(TyPE, in Gray Herb.). 
EUPATORIUM LEUCOCEPHALUM Benth., var. anodontum, var. nov., 
‘formae typicae habitu inflorescentia floribus etc. simile differt foliis 
paullo angustioribus lanceolatis omnino integerrimis.— White-flow- 
ered shrub 2-3 m. high in clayey soil, alt. 1000 m., at La Victoria, near 
the boundary between Michoacan and Guerrero, Mexico, 23 March, 
1899, E. Langlassé, n. 961 (TYPE, in Gray Herb.). 
Evupatortum Matretianum DC., var. adenopodum, var. nov., 
canescenti-arachnoideis; liter formam typicam — simillimum.— 
GuaTEMALA: Cerro Quemado, Quezaltenango, 21 January, 1915, 
alt. 2440 m., Prof. E. W. D. Holway, no. 98 (Type, in Gray Herb.). 
EvpaToRIUM PULCHELLUM HBK., var. angustifolium Wats. in 
herb. according to Pringle, Plantae Mexicanae, 1889, 2nd [unnumbered] 
page of the printed list, also on the labels— This marked variety, 
recognized by Dr. Sereno Watson, seems never to have been charac- 
terized. It may be described as follows: statura habitu inflorescentia 
formae typicae simile differt foliis elongato-lanceolatis 8-10 cm. long!s 
1-1.8 cm. latis adscendentibus vel modice patentibus nec deflexis 
inconspicue serratis vel subintegris sparse in nervis venisque hispidu- 
lis utrinque viridibus, supremis angustissimis.— Mexico: slopes of 
cafions near Guadalajara, Jalisco, 4 October, 1889, C. G. Pringle, no- 
2315 (Typx, in Gray Herb.); barranca of Rio Blanco near Guadala- 
jara, alt. 1375 m., 30 September, 1903, Pringle, no. 11,524 (Gray Herb.). 
Easily recognized by its long narrow ascending leaves 5-8 times as 
long as wide, while in the typical form they are mostly deflexed and 
rarely 3 times as long as broad, being furthermore inclined to be more 
deeply serrate and tending to be distinctly paler beneath. : 
Eupatorium pycnocephaloides, spec. nov., suffrutescens In @f 
