CHARACTERS OF TRIBES AND GENERA. 159 



3. Fronds pinnate or lipinnate, densely villose with arti- 



culated hairs. 



G. rufa, Desv. (v v.) ; G. tomentosa, Desv. (v v.) ; G. 

 pedata, Kaulf. 



4. Fronds pinnate or lipinnate, 2 to 4 feet high pinnae 



bi-tripinnate, segments entire, covered with white or 

 yellow farina on the under side (Trismeria^ Fee). 

 G. trifoliata, Desv. (v v.) Hook. Gard. Ferns, t. 4. 



5. Fronds 1i-tripinnate, 1 to 3 feet in length, ultimate seg- 



ments numerous, small, lobed, dentate or serrate, the 

 whole of the frond, in some, under side only covered 

 with white or yellow farina (Oeropteris, Link.) 



* Farina white. 



G. ornithopteris, Klot. (v v ) ; G. tartarea, Desv. (v v.) ; 

 G. peruviana, Desv. (v v.) ; G. calomelanos, Kaulf. (v v.) ; 

 G. pulchella, Linden's Cat. (v v.) ; G. rosea, Desv. 



** Farina yellow. 



G. triangularis, Kaulf. (v v.) ; G. chiysophylla, Kaulf. 

 (v v.) ; G. L'Herminieri, Bory. (v v.) ; G. Martensii, Kaulf. 

 (v v.) ; G. sulphurea, Desv. (v v.) ; G. decomposita, Bak. 

 Hort. Kew. 



6. Fronds li-tripinnate, 4 to 10 inches high, smooth, fragile 



(Anogramma, Link.). 



G. leptophylla, Desv. (v v.) ; G. chaerophjlla, Desv. (v v.) ; 

 G. conspersa, Kze. (v v.) ; G. microphylla, Kze. (v v.) ; G. 

 Pearcei, Moore (v v.). 



7. Fronds pinnatifid, pinnate, or tripinnate, multifid, pilose, 



lanose, or viscose glandulose, from a few inches to 2 to '3 

 feet in length (Pleurosorus, Fee). 

 G. trichomanoides, /. Sm., Mss., Indian Fil. Fronds 2 



