IP Ib Aa WE IE The 
JURASSIC FLORA OF OREGON. 
Fics. 1-3. ConlopreRIS HYMENOPHYLLOIDES (Brongn.) Sew-.----. eA a Un yy a 59 
Figs. 2, 3. Enlarged pinnules of Fig. 1 showing sori, < 2. 
Figs. 4-11. Tuyrsorrerts Murrayana (Brongn.) Heer.-.-...-...-.-----.--------------------- 61 
Fig. 5. Enlarged pinnule of Fig. 4, x 3. 
Fig. 6. Enlarged pinnule of Fig. 4, x 2. 
Fig. 8. Enlarged pinnules of Fig. 7, x 2. 
Fig. 10. Enlarged pinnule of Fig. 9, x 4. 
Fig. 11. Enlarged pinnule of Fig. 9, x 2. 
Figs. 12-15. PotyeopruM OREGONENSE Font. 0. sp.---..-.-.-----.----------------------------- 63 
Fig. 13. Enlarged pinnule of Fig. 12, X 2. 
Fig. 14. Portion of a pinnule of Fig. 12 x 4. 
