APPENDIX II. 



to belong to tho fruit proper, but which become fleshy in 

 fruit. 



Puberulous, slightly pubescent. 



Pubescent, covered with close short fine hair. Pubescence 

 is a denser shorter state of hairiness than hairy. 



Punctate, marked with small dots. 



Pungent, with a pin-like point capable of penetrating the 

 flesh. 



Putamen, the hard endocarp, especially a many-celled 

 endocarp, of fruit3. 



Pyrene, when a putamen breaks up on ripening into 

 several parts each enclosing a seed, each such part is called a 

 pyrene. Cp. coccus. 



Quinate, with five segments or leaflets. 



Raceme, an inflorescence in which the main axis continues 

 to grow and the lowest flowers are the oldest and open first. 

 Racemose, a form of branching in which the main axis conti- 

 nues to grow and always remain stronger than the lateral axes 

 which successively spring from it. Cp. cyme. 



Rachis, that part of a pinnate leaf which bears the 

 leaflets; in a bi-pinnate baf the primary rachis bears the 

 pinnee the secondary rachides the leaflets. (2) The axis of an 

 inflorescence. 



Rachilla, the axis of the spikelet of grasses. 



Radical, direct from the root. 



Raphe, the ridge or course of the funicle along the side of 

 the ovule to which it is adnate in auatropous ovules, 



Raphides, acicular crystals sometimes found embedded in 

 tissues (and in some cases visible as small raised lines on 

 the surface). 



Ray florets or ray flowers, the more or less zygomorphous 

 flowers found at the' circumference of many umbels, flower- 

 heads, etc. 



