232 FERNS : BRITISH AUD FOKEIGN. 



** Receptacles pundiform. 



120. ODONTOSOKIA, J. Sm. 



Vernation uniserial, distant and sarmentose, contignons and 

 sub-fasciculate. Fronds bi-tripinnatifid, lanceolate or deltoid, 

 1-6 feet long, erect or flexuose and scandent; ultimate seg- 

 ments euneiform, entire, lobed or laciniated. Veins dicboto- 

 mously forked ; venules free. Receptacles terminal, punctiform. 



Genus 120. — Portion of fertile pinna, under side. No. 9. 



Son simple or binate. Special and accessory indtisia fonning a 

 vertical, nrceolate or, by confluence, oblong, sporangiferoas, 

 marginal cyst. 



1. O. tenuifolmm, /. Sm. Davallia tcnuifolia, Sie. ; Lowe's 



Ferns, 8, t. 14. Stenoloma tenuifolinm, Fee. — East 

 Indies and Malayan Arcbipelago. 



2. O. aeuleatitm, /. Sm. Davallia aculeata, Sm. ; Book. Sp. 



Fil. t. 54 B ; Lowe's Fmns, 8, t. 26. Adiantum 

 aculeatum, Limn. {Plum. Fil. t. 94). Stenoloma 

 aculeatuDi, Fee, Gen. Fil. t. 27, f. 4. — West Indies. 



