123 



mously radiating, narrow, linear, those of the 

 fertile frond larger than those of the barren one. 

 Vernacular 'Bhui Tad'. [Fig. 37-^. and PlateX.] 



Distribution : Bombay Presidency Kandala 

 Ghat on Mahableshwar road ; Katraj Ghat 

 near Poona, Parvati Hills, Patas, Chakan r 

 Talegaon, Purandhar Fort, Shivpur to Nasrapa, 

 Shirgaon Khind (Satara District), Mungrool 

 (Sholapur District), Lena Hill(Nasik District); 

 Lalling, Dhulia (Khandesh), generally on rocks 

 and old walls. 



Throughout India, especially the Peninsula 

 below 3,000 feet ; Ceylon. North Africa ; 

 Mascareen Islands ; Persia ; Kabul. 



TRIBE IX. ASPIDIE^E 



Indusium more or less rounded or kidney- 

 shaped (rarely elliptical), attached either by the 

 centre or sinus. 



GENUS XXVII. MESOCHL/ENA'R. Br. 



(Deriv. Mesos, middle ; chlana, cloak ; middle- 

 cloaked. In reference to the attachment of 

 the iudusium.) 



Sori elliptical on the tip of a veinlet but 

 within the margin. Indusium attached longi- 

 tudinally on the centre of the linear receptacle, 



