ii 



PeTiolatk leaf. Growing on a petiole* Opposed to sessile. (Pe-^- 

 (tiolatus«) 



Pinnate leaf. A species of compound-leaf? wherein a simple petiolo^ 

 has several leaflets fastened to each side of it. (Pinnatum,) 



JPiNXATED unequally. Terminated bj a single or odd leaflet. (Pin- 

 natum cum imparl.) 



PiNNATiFiD leaf. A species of simple leaf, divided transversely by 

 oblong, horizontal segments not extending to the mid-rib. (Pinna- 

 tifidum*) 



Pistil. An Organ adhering to the fruit for the reception of the pok 

 len. When perfect it consists of the germen* style and stigma. 

 (Pistillum.) ^ p. > i 



Plicate. Folded like a fan. (Plicatus.) 



^LUMosE or feathery pappus. A pappus composed of feathery halrst 



(Plumosus.) 

 Pollen. The dust contained in tlie antliers of flowers. 

 PoLYPETALous coroUa. Composed of many petals. (Polypetala.) 

 PoLYPHYLLOus or many leaved^ Sec. 

 Pome. A pulpy pericarp vvitliout valves containing a capsule; as tlio 



apple, quince, &c. (Pomum,) 

 PrjEmorsr root or leaf-^ Not tapering but ending blunt as if tlie 



end were bitten off. (Preemorsus.) 



Phickle. a sharp process from a plant, fixed into the baik only. 

 (Aculeus,) 



Prismatic. Of the same thickness from top to bottom, with several 



flat sides, (Prismaticus.) 

 pRocuMUENT stem. Unable to support itself, lying on the ground^ 



but without putting out roots. (Procumbens.) 

 Pubescence. All hairiness in a plant; or whatever clothes it with 



any hairy or villous substance. (Pubes.) 



Raceme. A mode of flowering, consisting of a peduncle with short 

 lateral branches. (Racemus.) 



Rachxs. A filiform receptacle, collecting florets longitudinally into 



a spike. To be found in grasses. 

 Radiate flower. A sovt of co!n])ound fl\>wer consisting of a disk, in 



which the florets are tubular and regular; and of a lay in which the 



florets are irregular, as in the Sun-flower. 

 Radical leaves. Proceeding immediately from the root. (Radicale-) 

 Radicant or Rooting stem. Bending to the earth and striking root 



but not creeping along. (Radicans-) 



Radicle. The fibrous part of the root (Radicula.) 

 Radius. See Ray. 



Ray. The outer part or circumference of a compound flower. (Rar 

 dius.) 



Receptacle. The base by which the other parts of the fructificaTion 

 are connected. 



Proper. Appertaining to one flower only. 



Common, Connecting several distinct flowers. (Receptaculum.) 

 Reclined h af. Rent downwards so that the point is lower than the 



base. (Reclinatum.) 

 Reflexed. Cent back. (Reflexus.) 

 Reniform, See Kidney-sliaped. 



f 



