232 
FERNS : BRITISH AND FOREIGN 
** Receptacles pundiform. 
120. ODONTOSORIA, J. Sm. 
Vernation uniserial, distant and sarmentose, contiguous and 
sub-fasciculate. Fronds bi-tripinnatifid, lanceolate or deltoid, 
1-5 feet long, erect or flexuose and scandent; ultimate seg- 
ments cuneiform, entire, lobed or laciniated. Veins dichoto- 
mously forked; venules free. Receptacles terminal, punctiform. 
Genus 120. — Portion of fertile pinna, under side. No. 2. 
Sori simple or binate. Special and accessory indusia forming a 
vertical, urceolate or, by confluence, oblong, sporangiferous, 
marginal cyst. 
1. O. tenuifolium, J. Sm. Davallia tenuifolia, Sw. ; Lowe's 
Ferns, 8, t. 14. Stenoloma tenuifolium, Fee. — East 
Indies and Malayan Archipelago. 
2. O. aculeatum, J. Sm. Davallia aculeata, Sm. ; Hoolc. Sp. 
Fil. t. 54 R ; Lowe's Ferns, 8, t. 26. Adiantum 
aculeatum, Finn. (Plum. Fil. t. 94). Stenoloma 
aculeatum, Fee, Gen. Fil. t. 27, /. 4. — West Indies. 
