Glossary. 421 



Recep'tacle (L. receptaculum, a reservoir) : the axis of a flower, from which 

 spring sepals, petals, stamens, and pistils ; or the axis which bears the 

 separate flowers of a head. Fig. 87, a, and Fig. 82, t and «. 



Recurved' : curved backward or downward. 



Redu'plicate (L. reduplicatus, doubled) : doubled back ; applied to leaves 

 in the bud with edges valvate and turned outward. 



Reflexed' : abruptly bent downward. 



Reg'ular (L. regularis, according to rule) : applied to flowers having all the 

 parts of a whorl uniform in shape, as when the petals are all alike, etc. 



Ren'if orm. (L. renes, the kidneys ; forma, shape) : kidney-shaped. Fig. 

 227. 



Repand' (L. repandus, bent backward or turned up) ; applied to leaves hav- 

 ing slightly undulating margins. Fig. 232. 



Re'pent (L. repens, creeping) : prostrate and rooting. Fig. 211. 



Reslnif erOUS (L. resina, rosin ; ferre, to bear) : resin-bearing. 



Retrorse' (L. retro, back ; versus, toward) : bent downward or backward. 



Retuse' (L. retusus, blunted) : having the apex rounded and slightly indented. 

 Figs. 221 and 253. 



Rev'olute (L. revohere, revolutum, to roll back or unwind) : rolled backward 

 or downward. 



Rha'chis : see Rachis. 



Rha'phe : see Raphe. 



Rhi'zoid (Gr. rhiza, a root ; eidos, form) : a hair serving as a root in mosses 

 and Hepaticae. 



Rhizome' (Gr. rhizoma, a mass of roots, a stem or race) : a prostrate under- 

 ground stem, rooting at the nodes, and erect and leaf- or stem-bearing at 

 the apex; or short and variously thickened, quite variable in appearance. 

 Figs. 205-210. 



Rhom'bic or rhomboid 'al (Gr. rhombos, a spinning top) : shaped like a rhomb, 

 — namely, a quadrilateral figure with parallel and equal sides which may 

 be either oblique or perpendicular to each other. 



Rib : a prominent vein. Ribbed : having prominent parallel veins. 



Rin'gent (L. ringens, gaping) : wide open, as the mouth of a bilabiate 

 corolla. 



Root'stock: see Rhizome. 



Ros'trate (L. rostrum, a beak) : provided with a point or beak. 



Ro'tate (L. rota, a wheel) : wheel-shaped ; flat and circular. Fig. 274. 



Rotund' : rounded in outline. 



Ru'fous (L. rufus, red or reddish) : reddish, yellowish red, or tawny. 



Rugose' (L. ruga, a wrinkle) : wrinkled ; having the veinlets sunken and the 

 spaces between elevated, as in the leaves of sage. 



