218 GLOSSARY AND INDEX. 



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



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



Pulverulent or Pulveraceous, as if dusted with fine powder. 



Pulvinaie, cushioned, or shaped like a cushion. 



Pumilus, low or little. 



Punctate, dotted, either with minute holes or what look as such. 



Puncticulate. minutely punctate. 



Pungent, prickly-tipped. 



Puniceous, carmine-red. 



Purpureus, originally red or crimson, more used for duller or bluish-red. 



Pusillus, weak and small, tiny. 



Putamen, the stone of a drupe, or the shell of a nut, 120. 



Pygmceus, Latin for dwarf. 



Pyramidal, shaped like a pyramid. 



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



Pyriform, pear-shaped. 



Pyxidate, furnished with a lid. 



Pyxis, Pyxidium, a pod opening round horizontally by a lid, 124. 



Quadri-, in words of Latin origin, four ; as Quadrangular, iour-angled ; Quadri- 

 foliate, four-leaved; Quadrifid, four-cleft. Quaternate in fours. 



Quinate, in fives. Quinque, five. 



Quincuncial, in a quincunx; when the parts in aestivation are five, two of them 

 outside, two inside, and one half out and half in. 



Quintuple, five-fold. 



Race, a marked variety which may be perpetuated from seed, 176. 



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

 general peduncle, 73. 



Racemose, bearing racemes, or raceme-like. 



Rackis, see rhachis. 



Radial, belonging to the ray. 



Radiate, or Radiant, furnished with ray-flowers, 94. 



Radiate-veined, 52. 



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



Radicant, rooting, taking root on or above the ground. 



Radicels, little roots or rootlets. 



Radicle, the stem part of the embryo, the lower end of which forms the root, 11, 127. 



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



Ramentaceous, beset with thin chaffy scales (Ramenta), as the stalks of many Ferns. 



Ramification, branching, 27. 



Ramulose, full of branchlets (ramuli). 



Raphe, see rhaphe. 



Ray, parts diverging from a centre, the marginal flowers of a head (as of Coreopsis, 

 94), or cluster, as of Hydrangea (78), when different from the rest, especially 

 when ligulate and diverging (like rays or sunbeams); also the branches of an 

 umbel, 74. 



Ray-flowers, 94. 



Receptacle, the axis or support of a flower, 81, 112; also the common axis or sup- 

 port of a head of flowers, 73. 



Reclined, turned or curved downwards ; nearly recumbent. 



Rectinerved, with straight nerves or veins. 



Recurved, curved outwards or backwards. 



Reduplicate (in testivation), valvate with the margins turned outwards. 97. 



Reflexed, bent cutwards or backwards. 



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



Regular, all the parts similar in shape, 82. 



Reniform, kidney-shaped, b'-i. 



