THE 
AMERICAN GEOLOGIST 
Vol. XII. OCTOBER, 1893. No. 4. 
THE GENUS WINCHELLIA. 
By Leo Lesquereux. 
(Plates VIII and IX.) 
Ord. BERBERIDACE^E. 
Genus Winchellia, Lesqx. 
Leaves trifoliate ; terminal leaflet large, cuneiform to the 
base, enlarged above, truncate, trilobate and dentate at the 
apex; lateral leaflets attached to the stem a little lower than 
the base of the median lobe, scarcely half as broad, though 
nearly as long, obliquely truncate and coarsely dentate at 
apex, oblong, narrowed to a short petiole; nervation tripalm- 
ately ternate ; nerves thick ; lateral primaries much branch- 
ing, especially on the lower side. Petiole thick and long. 
WINCHELLIA TRIPII1 LLA, Sp. nov. Pl. VIII, Fig. 1. 
Characters of the genus. The leaf is preserved nearly en- 
tire, and is, including the petiole, 24 cm. long; the petiole is 
5 cm. from the base of the lateral leaflet and 2 A cm. be- 
tween the terminal and the lateral ones. 
This leaf evidently belongs by its characters to the order 
of the Berberidacece, having a marked affinity of characters 
to the leaves of Podophyllum and especially to those of 
jLcklys triphylla D. C, one of which is figured lor compari- 
son, on PI. ix. A number of peculiar fruits discovered a long 
time ago in the lignitic of Brandon. Vermont, but of which 
