1 72 FERNS : BEITISH AKD FOREIGN. 



TaiBE VII.— PTERIDE^. 



Sort margiiial, ronnd, oblong or linear, interrupted or con- 

 tinuons. Indusium lateral, exteriorly attached on the margin 

 of the frond, special to each sorus, or sometimes nniversal to 

 two or more sori. 



§ 1. ClieilanthedB. Sori ma/rginal, round or ohlong, distinct 

 or laieraV/y contigttous and confluent forming a com/ponmd Vmear 

 some. Indusinm special to each receptacle, or more or less 

 lineairhj continued and cormnon to two or more receptacles. 



86. NOTHOL^IfA, B. Br.; J. 8m. 



Vemaiion fasciculate, generally erect, caaspitose. Fronds 

 pinnate or bi-pinnate, 6-18 inches high, pilo-tomentose, squa- 

 mose or farinose. Veins forked, free. Beceptacles terminal. 



Genas 80.— Mature frond, upper side. No. 10. 



Bporcmgia few to each receptacle, contiguous, forming a mar- 

 ginal row in the axis of the reflexed sub-iudusiform margin. 



1. N. trichomanoides, B. Br. ; Lowe's Ferns, 1, t. 14 B. 



Pteris trichomanoides, Linn. ; {Plum. Fil. t. 75); ScKk. 

 FU. t. 99. — Jamaica. 



2. IT. rufa, Presl. Nothotena fermginea, Soole. 2nd Gent, of 



Ferns, t. 32. — Mexico, Peru. 



3. N. brachypuB, J. 8m. Cheilanthes brachypus, Kunze. 



Notholsena squamata, Hort. N. squamosa, Lowe's 

 F&rns, 1, t. 17 B. — Mexico. 



4. N. distans, B. Br.; Lahill.Nov. Gold. t. 7; HooU. Ic. PI 



t. 980; Lowe's Ferns, 1, t. 19. — Australia, New 

 Zealand, and New Caledonia. 

 6. N. moUis, Kunze, FU. t. 5-3,/. 2.— ChilL 



