GLOSSARY. 



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

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

 Pitlve'rulent, or Pulveracemis : dusted ; covered with fine powder, or what 



looks like such. 

 Ptilvinate : 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 projecting 



dots. 

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

 Pyramidal : shaped like a pyramid. 

 Pyxis, Pyxtdium : a pod opening round horizontally by a lid. 



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

 Quadrangular: four-angled. Quadri/oliate : four-leaved. 

 Quadrifid: four-cleft. 



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. 

 Rddical : belonging to the root, or apparently coming from the root. 

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



Trumpet-Creeper and Poison-Ivy. 

 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). 

 Rdmulose : full of branchlets (ramuli). 

 Raphe : see rhaphe. 

 Ray: the marginal flowers of a head (as of Coreopsis), or cluster (as of 



Hydrangea), when different from tiie rest, especially when ligulate, and 



diverging (like rays or sunbeams) ; the branches of an umbel, which 



diverge from a centre. 

 Receptacle: the axis or support of a flower ; the common axis or support of 



a head of flowers. 

 Reclined: turned or curved downwards ; nearly recumbent. 

 Recurved : curved outwards or backwards. 



Reduplicate (in aestivation) : valvate with the margins turned outwards. 

 Rejlexed: bent outwards or backwards. 



Refracted: bent suddenly, so as to appear broken at the bend. 

 Regular: all the parts similar. 

 Reniform: kidney-shaped. 

 Vepdnd: wavy-margined. 



Repent: creeping, i. e. prostrate and rooting underneath. 

 Replum: the persistent frame of some pods (as of Prickly Poppy and 



Cress), after the valves fall away. 

 Reproduction : organs of : all that pertains to the flower and fruit. 

 Restipinate : inverted, or appearing as if upside down, or reversed. 



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