38 AMERICAN FERN JOURNAL ° 
green carpet covering large areas. I have found large 
fronds of this species that measured nearly eighteen 
inches long. 
Polypodium Scouleri H. & G. is occasionally found here, 
but it is not common in this part of the state. It closely 
resembles small forms of P. californicum, but differs from 
species in its blunter pinnae, its larger and more 
numerous sori, and in its more leathery texture. 
ae). golden-back fern, Gymnogramma_ triangularis 
Kaulf., is everywhere abundant. It is the fern that 
tourists press and mail in their letters as souvenirs. It 
flourishes in both sunny and shady places. The back of 
_ the frond is covered with a yellow, mealy substance that 
on gives it its golden color. I have collected this fern in all 
parts of Southern California and last July I found the 
= oS fronds of this pans abundant on Catalina : 
_ sland. 
_ Searcely less abv un es nt are the Pelleeas, or cliff brakes. = 
se ferns grow i in & a rather dry situation and seem to — 3 
| 3 on rocky hillsides. Pellea andromedifolia 
a $ an dium-sized fern with rounded seg- 
= : — ‘Tti is pias common and may be collected along 
intain trails and in all the canyons. 
fis . brake, Pellaa ornithopus Hooker, is 
=e common and grows in clefts of the rocks. Its ulti- 
are _ = deen in threes, oe 
