30 PROCEEDINGS OF THE AMERICAN ACADEMY. 
(Greene) Robinson, n. comb. (Kyrstenia betulaefolia Greene, Leafl. i. 
10, 1903.) It differs, however, in having decidedly narrower leaves, 
which are entire at the attenuate apex ; the bracts are also of different 
form, being narrowly lanceolate, quite entire, and strongly attenuate ; 
furthermore the involucral scales are of a more herbaceous texture, 
Whether these distinctions will prove constant cannot be foretold ; but 
on the whole they appear rather too significant to permit the placing 
of the present plant under E. betulaefolium as a variety. 
Eupatorium campechense Robinson, n. sp., subglabrum ; ramis 
teretibus striatulis glaberrimis lignescentibus modice medullosis ; foliis 
3 involucri turbinato-cylindrati squamis numerosis anguste 
qualibus multiseriatis ; corollis viridi-albidis angustissimis brevissime 
