33-1 CHAEACTEE3 OF TEIP,ES AXD GEXEEA. 



vennles. Sjioradgia unilateral, anterior. Indusium plane, 

 forming' linear, sub-transverse sori. 



Type. Aspleniurn Finlat/f^onianuin, Wall. 



lllust. Hook. To. PL, t. 938, 937. 



Ops. — This genus is founded on tvro species, ^vliicli agree 

 in habit and textui-e with the Falcatum. group of Asplentinn 

 [Tarachia, Pr.), differing only in having- anastomose vena- 

 tion. Mr. Moore makes it a section of the genus Hemidk- 

 tyum, from which it differs entirely in habit and texture, 

 and in the costre being obscure and evanescent. 



Sp. A. riclaysouianum, /. Sm. {Aspleiiiii^n, Jf^all . 

 Bedd. F. Brit. Ind., pi. 72); A. Purdieanum, /. Sm. 

 {.Aspleiiiiim Ruok. Ic. PL, t. 937). 



Obs. — The first is a native of India, Assam, Malay Islands, 

 and Penang, the second of l^ew Granada and Peru. 



192.— ALL.iXTODiA, E. Br. (in part, ISIO). 

 nook. Sp. Fll. 



Vernation fasciculate, erect. Fronds pinnate, '2 to 3 feet 

 high, pinno3 linear, membraneous, 4 to 6 inches long, 1 

 inch broad, with a central perfect costte, J'eins simple, 

 sub-parallel, becoming forked towards the margin, and 

 anastomosing, forming elongated areoles, with free, mar- 

 ginal, clavate veinlets. Sporangia unilateral, nntei-ior on 

 the lower part of the venule. ladj.sium- vaulted, cylin- 

 drical, forming linear oblique sori. 



Type. Aspleniurn rcticulatum. Wall. 



lllust. Hook, and Bauer, Gen. Fil., t. 120 A. ; :Moore, 

 Ind. m., p. 3S B. ; Hook. Syn. Fil., t. 4, fig. 39. 



Obs. — ^The name AVo.iitodia was in 1310 given bv Robert 

 Brown to the present species, which he associated with 

 certain species, of very different habit, which Both had 



