EXPLANATION OF PLATES 
PLATE V 
Fig. 1. Rosellinites gangamopterides n. sp. Fragment of leaf of Gangamopteris 
obovata infested with the fungus. 
la. Portion of colony enlarged four times to show the perithecia. Perithe- 
cium with ostiolum at «x». 
1 b. Isolated perithecia, from another specimen. Enlarged four diameters. 
Fig. 2. Hysterites brasiliensis n. sp. Portion of leaf of Noeggerathiopsis Hislopi, 
on which are scattered the elongated peritheeia with distinct borders. Natural 
size. 
Figs. 3-5. Phyllotheca sp. ; 
3. Basal portion of stem from which a branch, with conical Calamitvid base, 
originates on the upper right. The parentstem algo is contracted to a conical 
base, not well shown in the photograph, though the shortened internodes are 
indicated. 
4, Conical base of another stem (cast). Tho aspect of the fossil is exactly 
that of many of the Equisetalean forms of the Permo-Carboniferous and Triassic. 
5. Vascular skeleton of a stem with longer segments ; a node at the top, and 
another, two-thirds of the way down, at which some of the ribs alternate. 
Fig. 6. Schizoneura? sp. 
Fragment of slender branch including several nodes. 
Fig. 7. Equisetites calamitinoides n. sp. 
Portion of cortex, partially split, with adhering sheath at top. Another node 
is obscurely indicated half way below the upper one. 
7a. Tooth enlarged to show the strong midrib and the narrow lamina parted 
hearly to the base. 
Fig. 8. Phyllotheca Muelleriana n. sp. 
Rock fragment with detached verticils similarly oriented and probably from 
a Single plant. 
Figs. 9,10. Phyllotheca Griesbachi Zeill. 
Fig. 11. Lycopodiopsis Derbyi Ren. 
Fragment’of small stem partially flattened. 
lla. Cushion and leaf trace, the former resembling St¢gmaria, 
Fig. 12. Stgillaria Brardit Brongn. 
12 a. Leaf scar, enlarged two diameters. 
Fig. 13. Sigillaria sp. 
Portion of.leaf, probably belonging to Sigillaria. 
13 a. Fragment enlarged to show midrib and stomatiferous grooves. 
