bo: 
> 
25. 
oN 
| & 
s 
82 
Lamina beneath glabrous or with scattered long hairs on coste and midribs, 
not finely downy. t 
Lamina beneath and rachis finely downy, rarely with longer hairs intermixed. 18 
Scales dark brown or castaneous, lanceolate; rachis and costze without raised 
16 
red spots. 
Scales bright brown, entire. Rachis and coste with raised red spots. Juan Fer- 
nandez. D. inaequalifolia (Colla) C. Chr. 
Scales entire. Lamina ovate or ovate-lanceolate, brown when dried. 17 
Scales toothed. Lamina deltoid, green or dark green when dried. Coste beneath 
glabrous or with scattered hairs. 324. D. subincisa (Willd.) Urb. 
Coste beneath without whitish hairs. Andes. 320. D. biserialis (Bak.) C. Chr. 
Coste beneath with whitish hairs. Guadeloupe. 321. D. macrotheca (Fée) C. Chr. 
Seales of costz lanceolate, dark, blackish or castaneous. 19 
Scales bright-brown, thin, ovate-lanceolate, entire. 
329. D. lunensis (Christ) C. Chr. 
Scales toothed. Upper basal tertiary segment not enlarged. 
324. D. vasta (Kze.) Hieron. 
Scales entire. Upper basal tertiary segment somewhat enlarged. 
326. D. spectabilis (Kze.) C. Chr. 
Lamina eglandulose, most hairs long, flexible. 21 
Lamina beneath glanduloso-pubescent, long hairs fewer; scales bright-brown, 
thin, ovate-lanceolate, entire 329. D. lunensis (Christ) C. Chr. 
. Lamina ovate-lanceolate, bipinnate with subentire pinnules; scales few or none; 
very hai 2 
anys : 327. D. hirsuto-setosa Hieron. 
Lamina deltoid or -deltoid-ovate, tripinnatifid-tripinnate. 22 
Scales of coste lanceolate, fuscous or castaneous, toothed. 
328. D. atrogrisea n. sp. 
Scales of coste ovate or ovate-lanceolate, bright-brown, entire. 
330. D. pansamalensis n. sp. 
- Coste above quite glabrous. Lamina bipinnate-bipinnatifid. 
335. D. grandis (Pr.) C. Chr. 
Coste above differently pubescent. Lamina tripinnatifid. 
Rachis and both surfaces glabrous (coste above excepted) or with scattered long 
hairs beneath or the coste beneath shortly pubescent. ‘ 
Rachis and both surfaces softly villous or woolly with long, flexible hairs. 28 
Costz above rusty-pubescent with short, articulated hairs, common hairs throughout 
absent. Scales broad-ovate, yellowish, thin, fimbriate. Rachises often very zigzag. 
298. D. flexuosa (Fée) O. Ktze. (ante p. 33). 
Coste above strigose by antrorse, subulate hairs; coste and costules beneath 
i 26 
: . D. connexa (Kif.) C. Chr. 
Scales of rachis and cost numerous, lanceolate; cost beneath shortly puberulous. 
Lamina dark green. 337. D. umbrina n. sp. 
