• 258 FERNS : BRITISH AND FOREIGN. 
2. L. flexuosum, Sw. Ophioglossum flexuosum, Linn. 
Lygodium dickotomum, Svj. ; Hook, et Grev. Ic. Fil. 
t. 55. — East Indies and Malayan Archipelago. 
3. L. eircinnatum, Sw . — Malayan and Philippine Islands. 
4. L. scandens, Sw. Ophioglossum scandens, Linn . — East 
Indies. 
5. L. Japonicum, Sw. Ophioglossum Japonicum, Thunb . — 
China and Japan. 
6. L. articulatum, A. Rich, in Voy. d’ Astrolabe, t. 15. — New 
Zealand. 
7. L. polystachyum, Wall. — East Indies. 
8. L. mierophyllum, R. Br . — Tropical Australia, Polynesian 
Islands. 
142. LYGODICTYON, J. Sm. 
Vernation and general habit the same as in Lygodium. 
Veins reticulated. 
Genus 142. — Barren and fertile pinna, natural size ; fertile enlarged. No. 1. 
