Rejection-nuclei 



Resin-Tube 



Rejec'tion-nu'clei, pi., certain nuclei 

 which do not become part of the 

 functional oospheres, the nuclei of 

 abortive oospheres (Hartog). 



Rejuvenescence (re, back, juvenesco, 

 I grow young), the formation of 

 a new cell from the protoplasm of 

 a cell already existing ; meta- 

 gam'etal ~, see METAGAMETAL 

 REJUVENESCENCE. 



Reliq'uiae(Lat. , leavings) = INDUVIAE. 



remote', remo'tua (Lat., distant), 

 scattered, not close together, the 

 same as ranis. 



renar'ius (renalis, pertaining to the 

 kidneys), reniform. 



Renew'al, the act of forming anew ; 

 "" of Cells = REJUVENESCENCE. 



re'niform, reniform' is (renes, the 

 kidneys, forma, shape), kidney- 

 shaped ; reniform'i-corda'tus, com- 

 bined heart and kidney shape, as 

 the leaves of Asa/rum europaeum, 

 Linn. 



Ren'net, vegetable, an enzyme which 

 curdles milk, found in the flowers 

 of Galium verum. Linn., and other 

 plants. 



Repair', making good, as ~ of Waste, 

 restoring the spent material. 



repand', repan'dus, repan'dous (Lat., 

 bent backwards), with slightly un- 

 even margin, less so than ' 'sinuous. " 



re'pent, re,' pens (Lat., creeping), pros- 

 trate and rooting. 



Replacement, a theory of fertilization 

 which assumes that the female cell 

 gets rid of certain elements which 

 leaves it an imperfect cell until 

 fusion with the male cell replaces 

 them. 



Reple'tum (repletus, filled), a fruit 

 with the valves connected by 

 threads, persistent after dehiscence, 

 such as in Orchids, Aristolochia, and 

 some Papaveraceae. 



rep'licate, replica' tus (Lat., folded 

 back), doubled down, so that the 

 upper part comes against the lower; 

 replicative,repfo'cai'vMs = replicate. 



Re'plum (Lat., door-case), (1) a frame- 

 like placenta from which the valves 

 fall away in dehiscence; (2) fre- 



quently used so as to include the 

 septum of Cruciferae in the term. 



Reproduc'tion, increase (a) asexually 

 from one individual, (6) sexually 

 from two individuals or organs ; 

 reproduc'tive, applied to parts 

 which share in reproduction ; ~ 

 Cells, cells which have no power 

 of further vegetative development, 

 but by coalescence give rise 

 to a product which forms the 

 starting point of a new plant ; 

 ~ Or'gans, the parts especially con- 

 cerned in the production of seeds, 

 spores, and analogous bodies ; in 

 Phanerogams, the stamens and 

 pistils. 



rep'tant, rep' tans (Lat., crawling), 

 REPENT ; creeping on the ground 

 and rooting. 



Res herba'ria (Lat.), the science of 

 plants ; botany. 



Reserve' (reservus, laid up), a storage; 

 ~ Cellulose, a special thickening 

 in the cells of seeds, such as the 

 date, which can be turned to ac- 

 count in germination as food mate- 

 rial ; ~ Mate'rial, the plastic 

 products of metabolism, assimi- 

 lated food material in a resting 

 condition, as starch and other 

 carbohydrates ; ~ Pro'teid, nitro- 

 genous substances stored in the 

 plant, as proteids, amides, etc. ; 

 ~ Tra'cheids, tracheid-like cells 

 from the parenchyma sheath, for 

 the storage of water (Heinricher). 



resilient (resiliens, springing back), 

 springing or bending back, as some 

 stamens. 



Res'in (resina, rosin), a term applied 

 to a group of oxydised hydro- 

 carbons, solidified or hardened tur- 

 pentine, and insoluble in water ; - 

 Cell, a cell which secretes resin ; 

 Ducts, canals which contain fluid 

 resin ; ~ Flux, an unnatural and 

 abundant flow of resin caused by the 

 attack of Armillaria mellea, Sacc. 

 on Conifers ; Gland, a group of 

 cells which form resin ; ^ Glut = 

 RESIN-FLUX ; ~ Pas'sage ; ~ Tube, 

 an intercellular passage containing 



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