AN ENUMERATION OF CULTIVATED FERNS. 307 



77. WOODSIA (p. 161). 



2a. W. glabella, E. Br. ; Hook. 8p. Fil. 1, p. 64 ; and in PL 



Boreal. Americ. 2, t. 237. Pyrenees and Arctic 

 Begions. 



4a. W. oregana, Eat. ; HooTc. Syn. Fil. p. 49. Kooky Moun- 

 tains. K. 



77a. DIACALPE, 



Vernation fasciculate, erect. Fronds stipate, 23 feet high, 

 deltoid, decompound-multifid ; primary pinnas alternate; ulti- 

 mate pinnules small (j-inch in length), linear, obtuse, oblique- 

 cuneate at the base. Veins simple or forked, clavate. Recep- 

 tacles medial, small, punctiform. Indusium superficial, at first 

 globose, entire, ultimately opening irregularly (calyciform), 

 including the sporangia. 



Genus 77a. Portion of frond slightly magnified. 



Illust. Hook, et Bauer, Gen. Fil. t. 99 ; Moore, Ind 



Fil. pi. 81. 



1. D. aspidioides, Bl. ; 'Hook. Sp. Fil. 1, p. 59. Java, 

 Assam, and Moulmein. K. 



OBS. This genus consists of one species only, which in 

 habit is similar to the multifid frond ed species of Lastrea, but 

 differs in the sporangia being enclosed in a globose indusium, 



x 2 



