PL. I. 
• , 
V* 
V. 
**■ 
§ 
P. B., Phot. 
Phototypie P.OYER (; C", Nancy. 
1. STAUROPTERIS OLDHAMIA 
2. 6. ETAPTERIS. — 3. GYROPTERIS. - 4, 5. 5»>is. DIPLOLABIS . 
