ON A NEW SPECIES OF EUDEMA, 619 
Herba a basi ramosa, vel, axi abbreviato pluricaulis, visci- 
dulo-hispida. Caules 4-6, subdiffusi, semel bis-trichotomi, 
in racemos laxos, bracteatos desinentes. Folia pauca, oppo- 
sita, sessilia, inferiora 4-6, rosulata, late obovata, semipolli- 
caria, obtusissima ; caulina stipulata, lineari-oblonga, obtu- 
siuscula, omnia pilis stellatis simplicibus intermixtis, utrinque 
hispidula, Bractece conspicue, lineares, non raro falcate, 
inferiores 3-4 lin. longe, hinc ad summos flores gradatim 
minores, numquam deficientes. Pedicelli graciles, 6-8 lin. 
longi, floriferi subdeflexi, deflorati diu sic persistentes, tan- 
dem, maturo semine, erecto-patentes. Calyx ut in H. gut- 
tato, Sepala conspicue nigro-punctata; trium majorum 
alterum latus in prefloratione tectum, petaloideo-membra- 
naceum. Petala in flore unico observata, angusta, lutea, 
immaculata. Stamina definita (8-12) pistillo vix longiora. 
Ovarium et fructus vix H. guttati, sed semina pauciora et 
evidenter majora. 
Tab. XXI. Plant of Helianthemum Breweri; nat. size, 
J. 1. Calyx with fruit, f. 2. Capsule, magnified. 
Description of a new species of the genus EunEMA; by J. E. 
PrLawcenow, Docteur en Sciences de Montpellier, 
(Tas. XXII) 
In referring to the genus Eudema the little crucife- 
"ous plant from the Andes which I am about to describe, I 
l avail myself of the perfectly fructified state of my 
Specimens to make some slight modifications in the generic 
Character, The noble work where it was first described, 
(Humboldt et Bonpland Plantes Equinoctiales) exhibits the 
Complete analysis of the only two species then known; but 
the author of the definition himself adds that little confi- 
can be placed on these analyses, which were made 
m imperfect fruit, and he recommends all those Botanists 
_ 4 may possess better specimens, to revise and correct his 
Of these two species, one Eudema nubigena, 
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