240 



PEENS : BRITISH AND rOEBIGN. 



1. C. Sehledei, SalilecM.; Eooh. 8p. Fil. t. SO A ; Hook. Gen. 



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



2. C. Barometz, J. 8m. Gen. of Fei-ns. Polypodium Barometz, 



Loti/r. Oibotium -glaucescens, Kunze, Fil. t. 31. 

 Cibotium Oumingi, Kumze. — China. 



y. C. Menziesii, Hook. 8p. Fil. t. 29 C. — Sandwich Islands. 



129. THYRSOPTERIS, Kunze. 



Vernation fasciculate, arborescent. Fronds decomponnd- 

 multifid, the fertile portion contracted. 8ori paniculate. Veins 

 pinnate; venules free. Accessory and specicd indiisia equal. 



Genas 129. — Portion of fertile pinna. No. 1. 



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

 pressed sporangia seated on an elevated, globose receptacle. 



1. T. elegans, Kunze, Fil. t. 1 ; HooTp. Gen. Fil. t. 4A A; 

 Lowe's Farms, 8, t. 34.— Juan Fernandez. 



Tjiibb XI.— CYATHE.ffi. 



8ori round, intra-marginal. Receptacles elevated, globose or 

 columnar. Indusium calyciform, semi-calyciform or squamiform, 

 or altogether absent. 



