EUCALYPTUS. 235 



Proliferous: (literally, bearing offspring); where a new branch rises 

 from an older one, or one head or cluster of flowers out of another, 

 as in Filago Germanica, etc. 



Prostrate : lying flat on the ground. 



Proteine : a vegetable product containing nitrogen. 



Protoplasm : the soft nitrogenous lining or contents of cells. 



Pruinose, Pruinate : frosted; covered with a powder like hoar-frost. 



Puberulent : covered with fine and short, almost imperceptible down. 



Pubescent: hairy or downy, especially with fine and soft hairs or 

 pubescence. 



Pulverulent, or Pulveraceous : dusted; covered with fine powder, or what 

 looks like such. 



Pulvinate : cushioned, or shaped like a cushion. 



Punctate : dotted, either with minute holes or what look as such (as the 

 leaves of St. John's-wort and the Orange), or with minute project- 

 ing dots. 



Pungent : very hard, and sharp-pointed; prickly -pointed. 



Pit f amen : the stone of a drupe, or the shell of a nut. 



Pyramidal : shaped like a pyramid. 



Pyrene, Pyrena : a seed-like nutlet or stone of a small drupe. 



Pyxis, Py.i'idiuin : a pod opening round horizontally by a lid. 



Quadri-, in words of Latin origin: four; as 



Quadrangular: four-angled. Quadrifoliate : four-leaved. 



Quadiifid: four-cleft. 



Quaternate : in fours. Quinate : in fives. 



Quincuncial : in a quincunx; when the parts in aestiviation are five, two 



of them outside, two inside, and one half out and half in, as shown 



in the calyx. 

 Quintuple : five-fold. 



Race : a marked variety which may be perpetuated from seed. 



Raceme : a flower-cluster, with one-flowered pedicels arranged along the 



sides of a general peduncle. 

 Racemose : bearing racemes, or raceme-like. 

 Rachis : see rhachis. 

 Radial : belonging to the ray. 

 Radiate, or Radiant : furnished with ray -flowers. 

 Radical ' : belonging to the root, or apparently coming from the root. 

 Radicant : rooting, taking root on or above the ground, like the stems 



of Trumpet-Creeper and Poison-Ivy. 

 Radicels : little roots or rootlets. 

 Radicle : the stem -part of the embryo, the lower end of which forms the 



root. 

 Rameal : belonging to a branch. Ramose : full of branches (rami). 



