178 FERNS: BRITISH AND FOREIGN. 



90. CIIXCINA-LIS, Desv. (in part); Fee. 



Vernation fasciculate, erect. Fronds tripinnate, 4-12 inches 

 high, slender; pinnse distant, spreading; pinnules ovate, hastate- 

 lobed or trifoliate, plane, smooth, glaucous or farinose. Veins 



Genus 90. Portion of mature frond, under side. No. 1. 



forked, free. Receptacles terminal. Sporangia large, globose, 

 sessile, definite, in a short series on the upper portion of the 

 venules, becoming laterally confluent, forming a broad sub- 

 intramarginal sorus. Indusium obsolete or very narrow. 



* Fronds smooth, glaucous. 



1. C. tenera, Fee. !Notholaena tenera, Grill. ; Hook. Bot. Mag. 



t. 3055; Kunze, Fil. t. 22, /. 2 ; Hook, et Bauer. Gen. 

 Fit. i. 76 A ; Lowe's Ferns, 1, t. 15. Chili. 



** Fronds farinose. 



2. C. nivea, Desv. Pteris nivea, Lam.; Sw. Notholaena 



nivea, Desv. ; Kunze, Fil. t. 22, /. 1 ; Loive's Ferns, 1, 

 t. 19 G. Acrostichum albidulum, Sw. Syn. Fil. t. 1, 

 /. 2. ISfotholaena incana, Presl, Eel. Hcenk. t. 1, 

 /. 2. Tropical America. 



3. C. pulchella, /. Sm. Allosorus pulchellus, Mart, et Gal. 



Fil. Mex. t. 10, /. 1. Pellaea pulchella, Fee; Hook. 

 Mexico. Tr. 



4. C. Hookeri, /. Sm. ISTotholsenaHookeri, Lowe's Ferns, 1, 



ols. sub t. 19 G et 1. 13. Tropical America. 



5. C. flavens, Desv. ; Fee, Gen. Fil. 5, t. 30 ; Lowe's 'New 



Ferns, t. 8. Acrostichum flavens, Sw. Gymno- 

 gramme flavens, Kaul/.; Hook. Fil. Exot. t. 47. 

 Notholaena chrysophylla, Hort. Tropical America. 



