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— Rachises with few, small scales. 
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Large species in habit similar to D. subincisa. Rachises not woolly and the scales 
very few or none, linear, dark. 337. D. Blanchetiana (Kze.) Hieron. 
Smaller species, in habit similar to species of Athyrium (f. inst. A. alpestre); 
rachises very densely woolly with pale scales. 343. D. nirtula (Kze.) C. Chr. 
Lamina not glanduloso-pubescent. 30 
Lamina _glanduloso-pubescent. 37 
Andine-West-Indian species, one from Juan Fernandez 31 
South-Brazilian species. 
Primary and secondary rachises with numerous castaneous, lanceolate scales; 
costee and costules beneath glabrous or shortly puberulous without long flexible 
32 
Rachises with few scales; cost and costules beneath with many or few long 
hairs, more rarely glabrescent. 33 
Scales of rachises of two kinds: some castaneous, lanceolate, rigid, others smaller, 
thinner, reddish and appressed; under surface almost or quite glabrous. 
332. D. squamosissima (Sod.) C. Chr. 
Seales of rachises all castaneous, lanceolate; under surface pubescent. 
333. D. mollicoma n. sp. 
Andine-West-Indian species, generally densely long hairy. 34 
Species of Juan Fernandez; long hairs rather few, deciduous, leaving raised red 
spots when falling. 331. D. inaequalifolia (Colla) C. Chr. 
Scales of rachis and cost ovate, entire, appressed. 330. D. pansamalensis n, sp. 
Scales of rachis and costules narrow, toothed, generally concealed between the 
long hairs which in some forms are few, in others pene numerous, deciduous, 
generally leaving red spots when falling; very _— species, often arborescent. 
334. D. Ka Seniesa (Kl.) Hieron. 
Under surface shortly puberulous without long hairs, eglandulose. 36 
Under serene pubescent by short and long hairs intermixed, glandulose; lamina 
dark gre 341. D. Wacketii Ros. n. s 
Scales of "Covi and costule beneath rather many, broad-ovate, bright-brown; 
lamina firm, often shining. 339. D. macrosora (Fée) C. Cir 
Scales of cost beneath very few, lanceolate, toothed ; lamina not shining. 
340. D. abundans Ros. 
Rachis with rather many large castaneous scales; exindusiate specimens of 
347. D. villosula n. sp. 
38 
Lamina dark green, with long hairs benéath; scales fuscous. 
341. D. Wacketii Ros. n. sp. 
Lamina bright green, shortly glanduloso-pubescent; scales bright brown; sori 
with fugacious indusia = D. adenopteris n. sp. 
Andine- West-Indian species. Scales of costules lanceolat 
South-Brazilian species, shortly puberulous beneath pee glandulose ; scales 
of costules reddish brown, ovate with bullate = 
. D. crenulans (Fée) C. Chr. 
Sori confined to the upper third of the tertiary ecules 346. D. acrosora Hiero on 
so 
Sori not 
Lamina scarcel m long, ovate or ovate-deltoid; scales of rachises and = 
conspicuous, adios firm. Andine species. 
