1806, ] Filices Mexicana. 265 
ium Chihuahuaense Baker. Mr. Pringle’s number, however, 
should be 1444, instead of 144 as given inthe Annals of Bot- 
any, probably through an error in proof-geading. 
EXPLANATION OF PLaTE XVIII. 
Asplenium teeth Pring. & Dav.—Fig. 1. Plant, - fibrillose 
vestiture,— 2. Enlarged pinna, upper side—Fig. 3. Enlar, arged 
aed cages? side. —Fig. 4. Enlarged indusium hore ciliated 
“Eallea membranacea Dav.—Fig. 5. las pinnule showing mem- 
branous border of the lamina.—Fig. 6. larged segment with in- 
volucre turned back showing jagged edges, v. fer and sori. 
