TROPICAL AMERICAN COMPOSITAE. 33 
correspondence is pretty close and in many details amounts to identity. 
E. (§ Subimbricata) Sprucei, spec. nov., suffruticosum 2-3 dm. 
altum suberectum; radice e fibris paucis gracilibus duris elongatis 
sistente; caule curvato-adscendente, basin versus distincte lignescente 
4 mm. crasso noduloso griseo-brunneo a dekapsu foliorum nudato, in 
parte media folioso, internodiis brevibus, in parte superiore gracili 
erecto crispe fulvo-puberulo paniculatim florifero paullo foliaceo- 
bracteato, internodiis elongatis; foliis oppositis sessilibus oblanceo- 
latis utroque attenuatis acutisque subremote denticulatis (dentibus 
0.5 mm. altis 5 mm. distantibus) penniveniis (venis utroque 6-7 
adscendentibus curvatis inter se anastomosantibus) membranaceis 
supra viridibus glaberrimis obscuris subtus pallidioribus praecipue 
in nervo venisque sordide pubescentibus 5-10 cm. longis 1-1.8 cm. 
latis; capitulis 6 mm. longis 5 mm. crassis ca. 18-floris; pedicellis 
filiformibus valde inaequalibus (1-6 mm. longis); involucri turbinati 
Squamis ca. 20 lineari-oblongis valde inaequalibus obtusis stramineis 
plerisque medio 2-costulatis apicem versus dorso puberulis, extimis 
brevissimis ovalibus subherbaceis; corollis verisimiliter albis 3 mm. 
longis glabris, tubo proprio gracillimo 1.8 mm. longo, faucibus tur- 
binatis distincte ampliatis 1.2 mm. altis; styliramis cum appendicibus 
tenuibus attenuatis flexuosis papilloso-scabratis munitis; antheris 
apice cum appendice membranacea angusta instructis; achaeniis 
(submaturis) fuscis 1.5 mm. longis in angulis parce hispidulis; pappi 
leaves are of the oblong-lanceolate type, opposite and feather-veined, 
e heads are small, in a loose, somewhat divaricately branched panicle; 
the involucre is stramineous, of delicate graduated scales, which are 
back toward the tip; finally in all the style-branches have appendages 
‘sty le-branches these species recall conditions usual in Vernonia and in 
“h ellia diffusa.» E. Sprucei, geographically remote from the others, 
[= wom all gf the others in ita much lower stature, being only 

