PLATE XLIX. 



Pigs. 1, la. Lonchopteria oblongua. Page 102. Emmons, "Am. Geol.," plate 4, figs. 6 and 8. 



Fig. 1. Summit of frond. 



Fig. la. Pinnule of Fig. 1, enlarged. 

 Fig. 2. Aaterocarpua platyrachis. Pago 103. Emmons "Am. Geol.," fig. 71. 

 Fig. 3. Equisetum Rogersi. Page 109. Emmons, "'Am. Geo!.," i late 6, Sg. 3. 

 FiG. 4. Sphenozamites Eogersianus. Page 98. Emmons, "Am. I leol.," plate G, fig. 5. 

 Fig. 5. Sagenopteris rhoifolia. Page 104. Emmons, "Am. Geol.," plate 4, fig. 10. 

 Fig. (3. Ctenophyllum Braunianum, Var a. Page 114. Emmons, "Am. Geol.," plate 4, fig. 11. 

 Fig. 7. Acroatichides rhombij 'oliua. Page 105. Emmons, "Am. Geol.," plate 3, fig. 5. 

 Fig. 8. Araucarites Carolinenais. rage 118. Emmons, "Am. Geol.," plate 3, fig. 4. 

 FiG. 9. Cladophlebte obtusilobua. Page 105. Emmons, "Am. Geol.," plate (i, fig. 1. 

 Fig. 10. Cheirolepis Miinateri. Page 98. Emmons, "Am. Geol.," plate 3, fig. 3. 

 In is. 11, 12, 12 a. Laccopler'us Carol inensis. Page 102. Emmons, "Am. Geol.," fig. 68 and plate 4, figs. 1,2. 



FiG. 11. Sterile pinnules enlarged. 



Fig. 12. Portion of fertile pinnule. 



Fig. 12 a. Portion of Fig. 12, magnified. 



