AN ENUMERATION OP CULTIVATED FERNS. 
307 
77. WOODSIA (p. 161). 
2a. W. glabella, R. Br . ; Hook. Sp. Fil. 1, p. 61 ; and in FI. 
Boreal. Americ. 2, t. 237. — Pyrenees and Arctic 
Regions. 
4 a. W. oregana, Eat. ; Hoolc. Syn. Fil. p. 49. — Rocky Moun- 
tains. K. 
77a. DIACALPE, Blime. 
Vernation fasciculate, erect. Fronds stipate, 2—3 feet high, 
deltoid, decompound-multifid ; primary pinnae alternate; ulti- 
mate pinnules small (j-inch in length), linear, obtuse, oblique- 
cnneate 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.pl. 81. 
1. D. aspidioid.es, 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 fronded species of Lastrea, but 
differs in the sporangia being enclosed in a globose indusium, 
x 2 
