240 FERNS I BRITISH AND FOREIGN. 



1. C. Schiedei, Schlecht. ; Hook. Sp. Fil t. 30 A ; Hook. Gen. 



Fil. t. 25; Lowe's Ferns, 8, t. 35. Mexico. 



2. C. Barometz, J. Sm.Gen. of Ferns. Polypodium Barometz, 



Lour. Cibotiuin glaucescens, Kunze, Fil. t. 31. 

 Cibotium Cumingi, Kunze. China. 



3. C. Menziesii, Hook. Sp. Fil. t. 29 C Sandwich Islands. 



129. THYBSOPTEBIS, Kunze. 



Vernation fasciculate, arborescent. Fronds decompound- 

 nmltifid, the fertile portion contracted. Sori paniculate. Veins 

 pinnate; venules free. Accessory and special indusia equal, 



Genus 12Q. Portion of fertile pinna. No. 1. 



uniform, constituting a calyciform cyst, including sessile, com- 

 pressed sporangia seated on an elevated, globose receptacle. 



1. T. elegans, Kunze, Fil. t. 1 ; Hook. Gen. Fil. t. 44 A ; 

 Lowe's Ferns, 8, t. 34. Juan Fernandez. 



TKIBE XI. CY ATHENE- 



Sori round, intra-marginal. Receptacles elevated, globose or 

 columnar. Indusium calyciform, semi-calyciform or squamiform, 

 or altogether absent. 



