84 TRIASSIC FISHES AND PLANTS. 
quite different species. One found in the Waverly has the frond divided 
very much as in Dendrophycus, while im other species {n the same rock the 
fronds are simply plicate or swollen into bulle apparently by vesicles which 
served as floats. | 
Barera Minstrerrana Ung. 
PL XXII; Fig. 1, 
We here give a representation of one of many specimens of a species 
of Baiera, found by Mr. 8. W. Loper at Durham, Conn. 
Taken by itself, the larger of these specimens (Fig, 1) weal seem to 
represent a species closely allied to B. Miinsteriana, but somewhat taller and 
more slender than any described variety of that species. Other fragments, 
however, show that the fronds were sometimes much shorter and broader, 
and therefore more like the normal form, so that at present we have scarcely 
evidence that would justify us in separating them. 
On PI. XXIII is figured a fine specimen of a gigantic Baiera, described 
by Professor Fontaine in his monograph' with the name B. multifida. This 
specimen is from Clover Hill, Va., and it is figured to show the close re- 
semblance between the Virginia and Connecticut plants; the former is 
much more robust, but the characters of the ultimate divisions are essentially 
the same, and the northern plant may only be a dwarf form of the southern. 
In my descriptions of the plants collected by Mr. A. Remond, from the 
Triassic rocks of Los Bronces, Sonora, I have noticed and figured another 
and quite different species of Baicra, to which I gave the name of Jeanpaulia 
radiata, the generic name being practically synonymous with Baiera.’ 
Count Saporta has recently discussed at great length the probable rela- 
tions of the groups of plants which have been known by the names of Baiera, 
Jeanpaulia, ete.2 He regards them as belonging to a special line of gym- 
nosperms which have come down to us from Carboniferous times, and are 
now represented by the Gingko (Salisburia), 
Schimper ‘ also describes the relations of Baiera and Jeanpaulia to each 
“Mon. U. S. Geol. Survey, No. 6, 1833, pp. 87, 88, 
® Report of the San Juan Expedition, p, 148; pl. VII, fig. 6. 
* Paléontologie frangaise, Végétanx, vol. 3, 1833, p. 251. 
1 Paléontulogie végétale, vol. 1, pp. 422, 682. 
