FILICES. 95 



Stout, covered with pale-brown tomentum ; fronds 8' 15' long, 

 oblong-lanceolate, everywhere but especially beneath tomentose 

 with slender, brownish-white, obscurely articulated hairs, tri- 

 pinnate ; pinnae and pinnules ovate-oblong ; ultimate pinnules 

 ^" |" long, the terminal ones twice as large; indusium pale, 

 membranous, continuous. (C. Bradburii Hook.) Virginia to 

 Missouri, Texas, and Arizona. 



f I Stipe and rachises covered with very narrow scales. 

 Var. Eatoni Dav. Differs from the type mainly in having 

 the rachises scaly ; characters scarcely sufficient to keep it dis- 

 tinct. (C. Eatoni Baker and former editions.) Arizona. 



14. C. fibrillosa Dav. Plant 3' 6' high ; rootstock forming 

 dense, entangled clumps of short rhizomes, clothed with dark 

 linear-lanceolate scales, passing gradually into lighter-brown 

 scales, mixed with coarse fibres and tomentum at the base of 

 the stipes ; stipes 2' 3' long, chestnut-brown, terete, at first 

 tomentose with fibrous scales and wool, becoming smooth with 

 age; fronds 2' 3' long, f iV wide, tripinnate, loosely covered 

 with deciduous tomentum, that along the rachises beneath per- 

 sistent, tawny, mixed with coarse fibres. (C. lanuginosa, var. 

 fibrillosa Dav.) San Jacinto Mountains, California {Parish). 



15. C. Parishii Dav. Rootstock creeping, short, clothed 

 with deep-brown linear-lanceolate scales, with darker nearly 

 black mid-nerves ; stipes 2' 3' long, approximate, light to dark- 

 brown, clothed at base with scales similar to those on the root- 

 stock, passing gradually into broader pale -brown or nearly white 

 nerveless scales, with more or less deciduous, slender, pale scales 

 and chaff above; fronds 3' 4' long, i' 1' broad, oblong- 

 lanceolate, tri quadripinnate, with both surfaces scantily 

 clothed with a coarse tomentum ; pinnae alternate, oblong-ovate, 

 obtuse, the lowermost somewhat distant; segments roundish, 

 the terminal ones largest and three-lobed ; indusia very narrow, 

 only partially enclosing the sori. San Diego Co., California 

 (Parish). 



** Fronds covered beneath with imbricated scales, not tomentose. 



16. C. Fendleri Hook. Stipes 2' 5' long, chaffy witli 

 minute slender scales ; fronds 3' 4' long, ovate-lanceolate, 

 tripinnate; scales of primary rachis like those of stipe, those of 



