254 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
E. quinquesetum, Benth., \ idensk. meddel., 1852, 79, according 
to the oi iginal description would appear to be Fleischmannia rhodo- 
stylis , Sell. Bip. 
E. silvicola, spec. nov. Fruticosum, ramulis sordido-tomentosis 
ad nodos compressis; foliis oppositis magnis ovatis serratis vel 
subintegris acuminatis basi obtusis tenuibus viridibus glabrisque 
sed in nerviis subpinnatis et venis principalibus sordido-tomentosis 
1.2-1.7 din. longis, 8-12 cm. latis venulis translucentibus, petiolo 
sordido-tomentoso 3-7 cm. longo; capitulis pedicellatis 7-10-floris 
7 mm. longis in panicula composita oppositiramea folioso-bracteata 
dispositis, involucri squamulis circa 3-seriatim imbricatis valde 
inaequalibus, exterioribus brevibus ovatis acutiusculis viscidis tomen- 
tosis intermediis interioribusque lanceolato-linearibus acutis sub- 
scariosis viridi-striatis glabris vel glabriusculis; corollis glabris gra- 
datim a basi ad apicern ampliatis 5 mm. longis (immaturis), limbo 
5-dentato erecto; stylis filiformi-clavellatis perlongis, achaeniis parce 
glandulosis.— Costa Rica: in the forest of Copey, alt. 1800 m., Ad. 
Tonduz , nos. 11,694, 11,848, and 12,203. 
2. Synopsis of the Mikanias of Costa Rica. 
Mikania, Willd., Spec, pi., iii, 1742 (1804); DC., Prodr., v, 187, vii, 
270; Benth. & Hook, f., Gen. pi., ii, 246; Hemsl., Biol. Cent.-Am., 
Bot., ii, 102; Hoffm. in Engl. & Prantl, Nat. Pflanzenf., iv, Ab. 5, 
140; Robinson & Greenman, Proc. Am. acad., xxxii, 10. Willug- 
baeya , Neck., Elem., i, 82. Corynanthelium , Kunze, Linnaea, xx, 
19.— Capitula homogama discoidea 4-flora; squamulae involucri 4 
aequales. Styli rami elongati leviter clavellati. Antherae apice 
appendiculatae basi muticae.— Herbae vel frutices scandentes foliis 
oppositis dentatis vel integris saepius cordatis vel hastatis. 
* Capitula evidenter racemosa vel spicata in paniculis ramosis disposita 
-i- Capitula sessilia. 
1. M. kogotensis, Benth., PI. Hartw., 201 (1845). Species 
forma corollae facile recognoscenda; foliis tenuibus subhastato- 
cordatis; corollis 3 mm. longis valde exsertis glabris tubo per- 
gracile elongato per fauces subnullos in limbum latum profunditer 
