GLOSSARr. 



275 



Midrib. 



Palmate. 



Petiole. 



Papilla, 



Plural 

 Papille. 



Pinna, 



Plural 



PlNN^. 



Pinnule, 



Plural 

 Pinnule. 



Pinnate. 



Rachis. 



Ramulus, 



Plural 

 Ramuli. 



( 



A large vein, or continuation of the 

 stalk, running through the middle ot 

 some flattened or membraneous fronds 



f Shaped like the hand, with the fin- 

 ( gers extended. 

 A leaf- stalk. 



Little nipple-shaped protuberances. 



C Primary leaflets or branchlets of a 

 y pinnate frond. 



Secondary, or still smaller leaflets oi 

 branchlets of a pinnate frond, grow- 

 ing on the pinnae. 



Where the secondary parts are ar- 

 ranged along the sides of their 

 primaries, in same regular order, op- 

 posite or alternate, like leaflets 

 along the sides of a common petiole. 



That portion of the stem, along which 

 the branches are arranged like ribs 

 along a backbone. 



The smaller branches, or branchlets. 



