ROBINSON. — ON CERTAIN EUPATORIEAE. 195 
angulatis glabris basin versus attenuatis ; pappi setis gracillimis albis 
25-30 corollam subaequantibus. — Limestone rocks, Trinidad Moun- 
tains, Santa Clara, Cuba, Arroyo Cimarron, altitude 470 m, NV. L. & 
E. G. Britton, 5 March, 1910 (type, in Gray Herb.). 
Eupatorium (§ Imbricata) pluriseriatum, sp. nov., fruticosum 
inflorescentia excepta glaberrimum; ramis arcuatis pallide griseo- 
brunnescentibus subteretibus lucidulis ; ramulis purpurascentibus stri- 
atulis; foliis oppositis graciliter petiolatis ovatis firmiusculis longe 
falcatim attenuato-acuminatis denticulatis 9-12 em. longis 4.5-5.5 em. 
latis utrinque laete viridibus basi rotundatis sed ad insertionem petioli 
ca. 2.7 cm. longi in eo plus minusve acuminato-decurrentibus ; panicula 
corymbosa oppositiramea multicapitulata densiuscula, axe et ramulis 
puberulis ; capitulis (infeliciter immaturis) cylindraceis ca. 8 mm. altis 
4mm. diametro 7-10-floris breviter pedicellatis vel in apicibus rama- 
lorum subsessilibus et fasciculatim aggregatis ; involueri squamis valde 
inaequalibus multiseriatim imbricatis glabris subscariosis viridi-stria- 
tulis fimbriati-ciliolatis, apice rotundatis, margine saeplus brunne- 
scentibus quasi ustis, a receptaculo cylindrico truncato caducis ; corollis 
glabris graciliter tubulosis quam achaenis etiam glabris multo longi- 
oribus; pappi setis tenuibus corollas subaequantibus sursum minute 
scabratis. — On bank ; Aguacate, altitude 750-850 m., Trinidad Moun- 
tains, Santa Clara, Cuba, 10-11 March, 1910, W. LZ. Britton & Percy 
States in having a very much shorter closer non- 
M - ° 
oe ‘ 8; 
striatis puberulo-tomentellis, internodiis usque d raat i 
foliis oppositis longe petiolatis late ovatis — slatino-tonmentosis 
hatis firmiusculis integriusculis utrinque reviter V a ee 
j . . . * : eis ca. 
a basi 3-5(-9)-nerviis ; petiolis robustis recurvatis tortis anguln 
*- icue cristata 
stipulari margine appendicibus caudiformibus ae til : as 
Nexis ; capitulis 4-floris corymbosis ca. 9 mm. ‘ongis = 
: : : -pedunculis 
latis, corymbis oppositis pedunculatis ca. 1 dm. diametro, sree 
(4-6 em. longis) et inflorescentiae ramulis V -compressis 
