GLOSSARY 
433 
Ra'mal.—Pertaining to a branch. 
Ra'mus.—A branch. 
Ramose'.—Branching. 
Rank.—A row of lea ves or other organs arranged vertically on a stem. 
Ra'phe (Rha'phe).—The adherent portion of the ovule stalk in inverted and half 
inverted ovules and seeds. 
Raph'ides.—Bundles of needle-shaped crystals. 
Recep'tacle.—The shortened stem upon which the whorls of floral leaves are 
inserted. 
Receptac'ular.—Pertaining to the receptacle. 
Rec'linate.—Bent downward. 
Reclin'ing.—See Reclinate. 
Recurved'.—Curved outward or backward to a moderate extent. 
Re flexed'.—Turned outward to backward more abruptly than Recurved. 
Reg'ma.—A capsular fruit of 2 or more carpels that first splits into separate 
parts and then each of these dehisces. 
Rejuvenes'cence.—Applied to a mode of reproductiou in which the protoplasm 
of the cell becomes rounded out, escapes by ruptnre of the cell wall, forms 
cilia and moves about, in time developing into a new lpant. 
Ren'iform.—Kidney-shaped. 
Repand'.—Having a slightly undulating margin. 
Re'pent.—Creeping. 
Re'plum.—A spurious membranous septum seen in Cruciferous fruits that per¬ 
sists after the valves have fallen away. 
Retic'ulate.—Applied to markings or veins which are in the form of a network. 
Refuse'.—Having a broad, shallow sinus at the apex. 
Rev'olute.—Said of leaves in the bud when their margins are rolled backward. ' 
Rha'phe.—See Raphe. 
Rhi'zoids.—Absorptive organs of certain plants below the Pteridophytes that are 
analagous with roots of higher plants. 
Rhizome'.—A creeping underground stem. 
Rhi'zomorphs.—Root-like structures composed of united hyphae and seen in 
certain fungi. 
Rib.—A prominent vein or ridge. 
Rin'gent.—Applied to the corolla of a bilabiate type whose throat is open and 
lips separated. 
Ripa'rious.—Growing along the banks of rivers or other water-courses. 
Rosette'.—A cluster of leaves or other organs. 
Ros'trate.—Beaked. 
Ro'tate.—Wheel-shaped. 
Rotund'.—Rounded in outline. 
Ru'fous.—Brownish-red. 
Rugose'.—W rinkl ed. 
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