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, / and u. 

 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'iform (L. rents, 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. 

 Resinif 'erous (L. resina, rosin ; ferre, to bear) : resin-bearing. 

 Retro rse' (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. revolvere, 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. 



