FLORA NIGRITIANA. 429 
and JF. Smithii, DC., from Congo, which Schultz Bipontinus 
reunites with Vernonia. In this he may be right, as well as in 
the restoration of the older name of Gymnanthemum to De 
Candolle’s genus Decaneurum : it is only to be regretted that, 
as the policy of these changes may not be generally admitted, 
he should have created much confusion by transferring the two 
names he proposes to suppress, to new genera of Composite. 
1. Gymnanthemum angustifolium, Benth. ; pubescens, foliis (su- 
perioribus) lineari-lanceolatis rugosis subtus albo-tomentosis, 
capitulis laxe subcorymbosis, involucri globosi squamis nume- 
Tosis, exterioribus setaceo-acuminatis recurvis, interioribus ob- 
longo-lanceolatis scariosis.— Sierra Leone, Don. 
Pars tantum superior plantz adest corymboso-paniculata. Ra- 
muli yilis laxiusculis glandulis intermixtis pubescentes. Folia 
nonnisi floralia adsunt 1-2-pollicaria. Capitula semipollicem 
diametro, ad apices ramulorum solitaria, uno alterove secus 
ramulum ad axillam bractez linearis breviter pedunculato. 
Involucri squam:e seriebus numerosis imbricate, exteriores 
abeunt in acumen filiforme reflexum, interiores erectz, acu- 
tiusculæ, 3 lin. longs. Receptaculum planum, leviter alveo- 
ltum. Flores numerosissimi, squamis interioribus breviores. 
Corolle graciles, glabre, superne vix ampliate, laciniis 5 
linearibus, Styli lobi subulati, acuti. Achenia glabra, 
costis 10 approximatis, valleculis angustissimis glandulosis. 
Pappi setze subzquales, barbellis rigidis longiusculis plu- 
mosæ, 
This is a true Gymnanthemum, agreeing in every respect with 
De Candolle’s generic character of Decaneurum. It is unfor- 
tunate that that distinguished botanist, in uniting two already 
published genera, did not follow the usual rule of adopting for 
the whole the oldest of the published names, although unmean- 
mg and applied to an ill-defined group. Cassini’s name having 
Since been restored by Schultz Bipontinus, we feel compelled to 
adopt it, 
1, Elephantopus scaber, Linn.—St. Thomas, Don ; Senegambia, 
East India and America. 
This species should include the five first of De Candolle 
