THE BRITTLE BLADDER FERN 
broad, obtuse, decurrent 
Var. Dioeteana: pinne deflexed, overlapping ; pinnules crowd 
very slightly toothed, or bluntly lobed with the lobes seareely toothed ; sori sub. 
EXPLANATION OF THE PLATE. 
Caudez short, tufted, decumbent, sl 
wy spreading, 
searecly creeping, ќе, advancing laterally by the 
successive projection of the fronds, which form a tuft at 
ic extremity ; somewhat scaly. Seales pale 
brown, lanceolate, Fires branched, wiry, numerous, 
Stipes 
der, brittle, readily breaking away from the candex, dark brown at the base, and there 
furnished with a few narrow lanceolate scales, paler or green and smooth upwards; terminal, and 
adherent to the caudex, 
Vernation circinate 
nds from three or four to twelve or eighteen inches in length, erect, herbaceous, dull green, 
