. CHARACTERS OF TRIBES AND GENERA. $$ 12] | 
Sp. D. farcata (Willd.) (vv.); D subpinnatifidum, 
(Moore). j 
Oss.— The latter species is probably a variety of the ` 
first, the chief difference being that in some specimens the 
venules of the lower part of the frond when sterile are 
free. 
Natives of the West Indies and Tropical America. 
37. Nevropium, Fée (1842). 
Tenitis sp. Sw.; Hook. Sp. Fil. 
Surculum short, cwspitose. Fronds contiguous, simple, 
entire, 6 to 12 inches long, lanceolate, thick, the upper ` 
portion partially contracted and fertile. Veins obscure. 2. 
Venules compoundly anastomosing. Receptacles compital, ` E 
forming a continuous marginal sorus. 
Type. Tænitis lanceolata, R. Br. E 
Ilust. Hook. Fil. Exot., t. 45; Moore Ind. Fil., p. 18, B; 
J. Sm. Ferns, Brit. and For., fig. 17. 
Oss.—In my “Genera of Ferns,” 1841, I placed ‘this. 
genus under Drymoglossum; but later observations lead 
me to adopt Fée's view in separating it as a distinct genus. 
It differs from Drymoglossum in the fronds being uniform, 
and bearing the sporangia towards the apex, which is but 
slightly contracted. 
Sp. N. lanceolatum (Sw.) (v v.) 
Native of the West Indies and Tropical America. 
88. ScmuzoLEPrON, Fée. (1842). 
Lindsec sp. auct.; Hook. Sp. Fil. 
| Surculum short. Fronds dimorphous, 6 to 12 inches long, 
stipitate, opaque and subcoriaceous, the sterile ones 
cordate, entire, or trilobed; fertile frond linear, more or 
