SELECTED WESTERN FLORA 



2. CYSTOPTERIS. Bladder Fern. 



Fruit dots on the back of the frond, the covering inflated, 

 eate ferns with 2-3-pinnate fronds. 



Deli- 



1. C. fi&gUis, (L.) Bebnh. 



Trouds lanceolate, 2 or 3-pinnate, the pinnules cut-toothed. 



Coolies, Alta. 



3. PTERIS. Bracken. 



Spore case a continuous line on the back of the frond around the 

 margin, and covered by the edge of the frond folding backwards 

 over it. Fronds 1-3-pinnate. 



Fig. 2. — Fruiting Frond of 



' Fern. 



Son at o. One sorus with its 

 indusium at b. , ,' 



Fig. 3. — Aspidium cristatum. 



1. P. aquilina, L. Bbake: 



Frond stout, 1-2 ft. hfgh, 3-forked at the top, each branch 2-pinnate; 

 rootstock black, widely spreading. Rooky Mts. and E. Man. 



II. OPHIOGLOSSACE^. 



Mbre or less fleshy or succulent plants, consisting of a frond-like 

 stem and leaf growing from a, .§hort rootstock or fleshy., root, The 

 frond consists of two parts, the one fern-like and sterile, the other 

 a spike or panicle of rather large sporangia, which- open at maturity 



