EAI AN ey celles 
JURASSIC FLORA OF OREGON. 
Fies. 1-10. DicksoNIA OREGONENSIS Wont. n. sp.-.-...----.-----.+---+2-++----+----++----------- 
Fig. 3. Pinnule of Fig. 2 enlarged, x 2. 
Figs. 6-8. Enlarged sterile pinnules showing nervation, « 2. 
Fig. 9. Enlarged fertile pmnules showing a sorus, X 2. 
Fig. 10. Fertile pinnule showing one sorus somewhat more enlarged than Fig. 9. 
