10 BOTANY. 



OAK-LEAVED POLYPOD. 



In some parts of the forests, the trunks of almost every 

 tenth tree have a great abundance of a large species of 

 polypod growing upon them. The barren fronds are cor- 

 date, and stemless ; but the fertile ones stand on long 

 slightly winged stems, and are gashed like the leaves of 

 an English oak. 



Poly podium qucrcijolium. 



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PITTED POLYPOD. 



This fern is often found in company with the preceding 

 species; and may be easily recognized by its creeping 

 habit, and by the margins of the upper parts of its fronds 

 being rolled together when in fructification. 

 Poli/podium pcrtusum. 



REED FERN. 



There is a large terrestial fern with hollow stems like 

 a reed, which are often used by the natives instead of 

 quills for pens. 



Polypodium. 



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STIPE-CLASPING BRAKE. 



A large brake is common at Tavoy with pinnate fronds, 

 whose leaflets have two lobes at the base which clasp 

 their stipe. 



Pteris amphxicaulis . 



GRASS FERN. 



The trunks of our forest trees are often clothed with the 

 green drapery of the grass fern, which grows upon them 

 precisely like bunches of long grass. It belongs to the 

 same genus as the common brake. 



Pteris graminifolia. 



