POLYPODIACEiE. m 



42. PTERIS, Linn., J. Sm. 



(Pteridis Spec. Presl. Allosori Spec. Presl.) 



§ 1. EUPTERIS, Agardh. 



* Frondes pedatce vel ternatoe. 



1. Pteris geraniifolia, Radcli. 



Pteris geraniifolia, Raddi, Plant. Brasil. p. 46, t. 67. 

 P. Pohliana, Presl, Tent. Pterid. p. 145. 

 P. laciniata, Velloz. PL Flumin. 11, t. 89. 



Hab. Organ Mountains, Brazil. Society, Samoan, and Feejee 

 Islands. 



Of the identity of the plant from islands in the Pacific with Racldi's 

 from Brazil, there can be no doubt; the specimens from the latter 

 country, however, are a little the larger. We have not seen the figure 

 of the P. concolor of Langsdorff and Fischer, from the Marquesas 

 Islands ; but from their description it must be very closely allied to 

 the present species. 



2. Pteris sulphurea, jSko. 



Pteris sidphurea, Sw. Syn. Fil. p. 105; Willd. Spec. PL 5, p. 362. 



Hab. Vicinity of Obrajillo, Peru. 



Whole plant 8 to 10 inches in height, with a smooth, round, ebe- 

 nous, glossy stipe, a little thicker than a quill from the wing of a 

 sparrow, about 6 inches long, squamose at base. Fronds ternate, 2 to 

 3 inches in length, pentangular-oblong, with a slightly acuminated 

 point; the lower surface covered with a yellow powder. Lateral 

 divisions subsessile and pinnate; intermediate and terminal onespetio- 



