104 
Lamina ovate or ovate-elongate, 15 cm long, 10cm broad or smaller, seldom larger, 
herbaceous or thinly chartaceous; light-green, bipinnate, tripinnatifid, small forms 
often bipinnatifid only, the acuminate apex lobed. Primary and secondary rachises 
densely tomentose by long soft, whitish pluricellular hairs, above with a deep fur- 
row filled with shorter hairs; margins and surfaces, especially along the veins with 
scattered similar, long hairs, and the lower surface sparsely glandulose by minute, 
pale yellowish glapds. Pinnz alternate, shortly petiolate, generally upcurved, from 
an unequal base gradually attenuated towards the short mucronate apex. Basal 
pinne not much larger than the following 
pair, their lower side not or little pro- 
duced. Secondary pinnules of middle pinnz 
6—10 to each side, 8—12 mm long, 5—7 
mm broad the lower short-stalked, the 
upper decurrent, the upper basal one the 
largest, parallel to rachis, the lower .basal 
one much smaller, very oblique; pinnules 
ovate or ovate-oblong, sharply acute, their 
posterior base excised cuneate, the anterior 
one nearly parallel to the midrib of the 
pinne, the anterior margin obtusely den- 
tate or subentire, the posterior one often 
deeply lobed with the basal lobe the largest; 
Ne ye lobes broad, triangular, subacute. Veins of 
<a we pinnules pinnate, the lateral ones furcate 
ay) = or, in the lobes, subpinnate, not reaching 
NE aS the margin, soriferous near their tips. Sori 
Dp small, seldom more than 1 mm _ broad: 
indusium very small, delicate, early falling, 
Fig. 21. Basal pinne, nat. size, of D. pubescens (L.) rarely found. Sporangia glabrous, inter- 
O. Ktze. (the ae bth = munscoea: (Vahl) ted with Idiiy “hairs, “Rpores “charsely 
verrucose. 
This species varies in Jamaica mainly in size; a little form with lanceolate- 
elongated fronds is the var. breviculum Jenman (Il. ¢ 
' Jamaica, common in damp woods among the lower hills (JENMAN). Maxon nr. 823 (W), 1465 (CC, W 
o : woop nr. 2479), 1721 (CC,W = Unperwoop nr. 2685), 1752 (W = UnpErwoop nr 
2714), seas (W); Unperwoop nr. 1593 (W, RB); HiLLepranp nr. 223 (B); M. D. Warr nr. 139, 
180 bis (R). 
Cuba orient. Waicut nr. 815 (B); El Porvenir, 
Trinidad Mts., Santa Clara, N. L. Brirron and Percy 
WILson nr. 5295 (W). 
