APPENDIX II. 



torns above the level of the base of tlie ovary when the ovary 

 is free in the tube so formed or only adnate by means of the 

 intercalated disc. Cp. hypogynous, epigynons. 



Perisperm, nutritive tissue of the nucellus which remains 

 in the seed until absorbed by the germinating embryo. 



Persistent, not falling off. 



Perulate, wrapped in scales. 



Petal, one of the divisions of the corolla. 



Petaloid, of a more or less delicate texture and white or 

 coloured. Cp. sepaloid. 



Petiole, the stalk of a leaf. 



Petiolule, the stalk of a leaflet in a compound leaf. 



Phylloclade, a branch compressed so as to resemble a leaf 

 and performing the functions of a leaf. Cp. cladode. 



Phylogeny (adj. phylogenetic), ancestry from forms or 

 groups which differ specifically, or generically, or in more 

 important characters, from the existing species or group. 



Pilose, with rather Jong, not dense nor very silky hairs. 



Pinna, the branches of a bi-pinnate leaf. See pinnate. 



Pinnate, a compound leaf with two or more leaflets 

 springing from each side of the axis or rachis. If the leaflets 

 are odd so that the rachis terminates in a leaflet, the leaf is 

 imparipinnate, if the leaflets are even with no terminal leaflet, 

 the leal is paripinnate. If the rachis of the leaf bears one or 

 more pairs of secondary rachides which latter bear the 

 leaflets, the leaf is bi pinnate. If the secondary rachides 

 bear again rachides the leaf is tripinnate and so on. 



Pinnately, in a pinnate manner, i.e., with the branches 

 springing from either side of the central axis, cp. palmate 

 (adv. palmately). 



PinnatiBd, deeply lobed to alxmt^half way down or more, 

 with the lobes pinnately arranged. 



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