BLECHNUM. 



19 



The fronds are nearly a foot long. Easily increased by its 

 creeping rhizome. 



B. OEIENTALE (Eastern). A native of the East Indian 

 Islands. The thick, leathery, once-divided fronds are, when 

 full grown, 3 or even 4 feet in length. It is a noble Fern, but 

 as yet somewhat scarce. 



B. POLYPODIOIDES (Polypodium-like) . A native of the 



Fig. 7. Blechnum gracile. (Top of frond natural size.) 



tropical parts of America, like so many of the others. The 

 fronds are about 18 inches in length, once-divided, and narrow" 

 tapering towards the point. 



B. SEREULATUM (Saw-leaved). Native of tropical America, 

 Australia, and some of the East Indian Islands. A rather tall 



