Baphia 



BeoeptaeoU 



Raph'ia = Raffia. 



Eaph'id, pi. Raph'ides, Raph'ida, or 

 Rliapli'ide8(^o(^b, f)a<pi5os, a needle), 

 needle-shaped crystals in the cells 

 of plants; rapMd'ian, pertaining tp 

 raphides ; <- Cell, one which contains 

 rapliides ; Eaph'idines, Radlkofer's 

 term for free, needle-shaped cells, 

 with partly lignified cellulose- 

 walls, occurring amongst phloem- 

 islands in certain Acanthaceae ; 

 Raphidoplank'ton (-f Plankton), 

 floating organism of a needle- or 

 spindle- shape (Forel) ; raph'ioid 

 (eUos, resemblance) Fi'bres, Roulet 

 and Chodat's term for Raphidines. 



rare-ripe, early ripe, precocious ; rath- 

 ripe (Crozier) means the same. 



Ra'roform {rartiSy infrequent, -f- 

 Form), a new form having imperfect 

 connections with its surroundings 

 (Kuntze). 



ra'ms (Lat., not close or thick), 

 thinly placed, not congested. 



Ratoon', a shoot from the root of a 

 plant which has been cut down 

 (Crozier). 



Raumpar'asit (Germ.) = Aulophyte. 



ra'ven-black, Lat. piilltts, coraciniLs. 



ra'vidus, ra'vus (Lat.), grey or tawny, 

 applied to doubtful tints. 



Ray, Ra'dius, (1) the marginal portion 

 of a Composite flower, when distinct 

 from the disk ; (2) a branch of an 

 umbel, a partial umbel ; --' Flo'ret, 

 Flow'er, an outer floret, ligulate or 

 tubular, of Compositae ; <-' Paren- 

 ch'yma, thick- walled cells elongated 

 radially ; <-' Trach'eids, pithed cells ; 

 meduirary '^ , the primary rays in 

 the tissue between the different 

 bundles, passing radially outwards, 

 the secondary rays are derived from 

 the fascicular cambium, their ex- 

 tremities being the bast and the 

 wood ; subsidiary are : — agg'regate 

 /-, com'pound '~, fo'liar '-, multi- 

 se'riate = secondary ~ ; unise'- 

 riate ~ = primary -^ ; wood ~ = 

 MEDULLARY -^ ; Rays, diften'ded, 

 lines of ray-tracheids, of peculiar 

 shape ; fasi'form -^ , are walled by a 

 flattened epithelium, and further 



surrounded by thin-walled paren- 

 chyma arranged radially ; anise '^- 

 ate '^ or ray-parenchyma, the cells 

 being vertical and singly placed over 

 one anotlier. 



Reac'tion {re = back ; dctio, a perform- 

 ing), (1) term used to denote any 

 alteration in organization or form 

 consequent upon Stimulation ; (2) 

 the effect of the formation upon the 

 habitat (Clements); <« Time, the 

 period needed for an organ to show 

 response to stimulus (Macdougal). . 



Recapitnla'tion {recapittUo, to go over 

 the points again) Hypoth^esis, that 

 every organism in its individiial 

 life-history recapitulates the various 

 stages through which its ancestors 

 have passed in the course of evolution. 



Recaulea'cence {re, back, -+■ caules- 

 cent), the adnation of leaves 

 on their stalks to the stem 

 (C. Schimper). 



Recep'taole, Recepta^culurtt (tiat., a 

 reservoir), (1) that part of the axis 

 which bears one or more organs, 

 the torus ; (2) in Fungi, variously 

 applied, usually a hollow or cup-Uke 

 body containing other bodies, as (a) 

 L^veill^'s term for a sporophore ; 

 (6) = Stroma ; (c) an apothecium" 

 in Ascomycetes ; (of) a pycnidium ; 

 (<j) the inner portion of the sporo- 

 phore supporting the gleba in Phal* 

 loideae ; (/) a cup of the Lichen- 

 thallus, which contains soredia ; 

 (8) the placenta ; <- of a Flow'er, 

 the axue part of the blossom 

 which supports the sepals, petals, 

 stamens and pistils ; «* of la- 

 flores'cence, the rhachis or axis 

 of the head, spike, or other 

 dense cluster ; <-' of Oil, a cyst 

 containing an oily secretion, as in 

 the rind of an orange ; --' of 

 Secre'tion, any cavities of the 

 interior containing special pro- 

 ducts ; Recepta'cola aooidentalla, 

 indeterminate passages filled with 

 secretion ; -^ caeoifonn'ia, % the 

 vittae of the fruit of Umbelliferae ; 

 '*' Snc'ci prop'rii ; -^ tubnlo'ia, •— 

 CiNENCHYMA, of laticiferous vessels ; 



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