534 ROBINSON. 



A^ 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 lupulinvm Bak. in Mart. Fl. Bras. vi. pt. 2, 301 (1876). 



Eupatorium havanense HBK., var. domingense (DC), comb, 

 nov. E. ageratifolium y f doviingense DC. Prod. v. 173 (1836). 



Eupatorium kleinioides HBK., var. lasiolepis, var. nov., formae 

 typicae simile differt praecipue involucri squamis dorso conspicue 

 pubescentibus, pihs tenuibus attenuatis curvato-adscendentibus 

 vel irregulariter patentibus. — Tropical Brazil, 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 

 th^ boundary between Michoacan and Guerrero, Mexico, 23 March, 

 1899, E. Langlasse, n. 961 (type, in Gray Herb.). 



Eupatorium Mairetianum DC, var. adenopodum, var. nov., 

 caule apicem versus et ramis et ramulis et pedicellis ubique dense 

 glanduloso-puberulis fuscescentibus nee ut apud formam typicam 

 canescenti-arachnoideis ; aliter formam typicam simillimum. — 

 Guatemala: Cerro Quemado, Quezaltenango, 21 January, 1915, 

 alt. 2440 m.. Prof. E. W. D. Hohvay, no. 98 (type, in Gray Herb.). 



Eupatorium pulchellutm 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. longis 

 1-1.8 cm. latis adscendentibus vel modice patentibus nee deflexis 

 inconspicue serratis vel subintegris sparse in nervis venisque hispidu- 

 lis utrinque viridibus, supremis angustissimis. — Mexico: slopes of 

 canons near Guadalajara, Jalisco, 4 October, 1889, C. G. Pringle, no. 

 2315 (type, 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 ar- 



