123 
mously radiating, narrow, linear, those of the 
fertile frond larger than those of the barren one. 
Vernacular ‘BhuiTad’. [Fig. 37-g.and PlateX.] 
Distribution : Bombay Presidency—Kandala 
Ghat on Mahableshwar road ; Katraj Ghat 
near Poona, Parvati Hills, Patas, Chakan, 
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. 
Tripe [X.—AspIDIEz 
Indusium more or less rounded or kidney- 
shaped (rarely elliptical), attached either by the 
centre or sinus. 
Genus XXVII.—MEsocHLana R. Br. 
(Deriv. Mesos, middle; chlena, cloak; middle- 
cloaked. In reference to the attachment of 
the indusium.) 
Sori elliptical on the tip of a veinlet but - 
within the margin. Indusium attached longi- 
tudinally on the centre of the linear receptacle, 
