46 



Posterior. Said of the side of an axillary 



flower towards the axis. 

 Prickle. A small spine growing out from 



the bark. 

 Procumbent. Trailing or resting on the 



ground. 

 Puberulent or Puberulous. With very short 



fine hairs. 



Pubescence. A covering of soft fine hairs. 

 Pubescent. Covered with short soft hairs, 



i. e., pubescence. 

 Pulvinate. Cushion-shaped. 

 Punctate. Bearing translucent or colored 



dots or pits. 



Punctulate. Minutely punctate. 

 Putamen. The hard part of a stone-fruit ; a 



pit. 

 Raceme. A form of flower-cluster where the 



flowers are arranged with pedicels of 



about equal length on an elongated axis 



and sequence of flowering from base 



towards apex, as in the currant. 

 Racemose. In racemes. 

 Rachis. The central axis of a compound 



leaf or of a spike or raceme of flowers. 

 Radial. Said of a longitudinal section of 



a stem when on the radius. 

 Radicle. The portion of an embryo below 



the cotvledons. 



Ramification. Branching. 



Ramose, or Ramous. Branching like the 

 limbs of a tree. 



Ray. A branch of an umbel; also the mar- 

 ginal flowers of an inflorescence when dis- 

 tinct from the inner flowers. 



Receptacle. The portion of a flower bearing 

 the sepals, petals, etc. 



Recurved. Curved backward. 



Reflexed. Bent abrupty backward. 



Reniform. Kidney-shaped. 



Repand. With slightly wavy margin. 



Reticulate. Netted. 



Retrorse. Turned backward. 



Retuse. With very shallow notch at apex. 



Revolute. Rolled backward from the sides. 



Raphe (or Rhaphe). The ridge connecting 

 the hilum and chalaza of an anatropous 

 or amphitropous ovule. 



Ringent. Said of a gaping mouth of a two- 

 lipped corolla. 



Rostrate. With a beak-like tip. 



Rotate. Said of a corolla with flat round 

 limb; wheel-shaped. 



Rugose. W T rinkled. 



Ruminate. Said of an albumen which looks 

 as if it had been chewed. 



Runcinate. Incised with segments directed 

 backward. 



