Ramusculum 



reciprocal 



branch; Eamus'culum (Lat.), -his, 



(1) the same as ramulus, abranchlet; 



(2) I "the mycelium of certain 

 Fungals" (Linclley). 



Range, the region over which a 

 given form grows spontaneously. 



Rank, a row, especially a vertical 

 row. 



rapa'ceus (rapum, a turnip), fusiform 

 or turnip-shaped. 



Ra'phe, pr. ra'phy, Raph'a (f>a<prj, a 

 seam), (1) in a more or less anatro- 

 pous ovule a cord or ridge of 

 tibro-vascular tissue connecting the 

 base of the nucellus with the pla- 

 centa, the adherent funicle ; it may 

 occur on the side of the ovule 

 turned to the axis (ventral), or on 

 the external face of the ovule, that 

 is dorsal; (2) in Diatoms, the median 

 line or rib of a valve, and may 

 be heteropolar or isopolar (0. 

 Mueller) ; (3) the suture between 

 the carpels in Umbelliferae 

 (Crozier). 



Raph'id, pi. Rapii'ides, fiaph'ida, or 

 Rhapn'ides (pa<pls, pa<j>i5os, a needle), 

 needle-shaped crystals in the cells 

 of plants ; raphid'ian, pertaining to 

 raphicles ; ~ Cell, one which contains 

 raphides ; Rapn'idines, Radlkofer's 

 term for free, needle-shaped cells, 

 with partly lignified cellulose- 

 walls, occurring amongst phloem- 

 islands in certain Acanthaceae ; 

 raph'ioid (elSos, resemblance) 

 Fi'bres, Roulet and Chodat's term 

 for the preceding. 



rare-ripe, early ripe, precocious ; 

 rath-ripe (Crozier) means the same. 



ra'rus (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. 



raven - black, in Latin pullus, 

 coracinus. 



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

 applied to doubtful tints. 



Ray, Ra'dius, (1) the marginal por- 

 tion 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. 



Recaules'cence (re, back, + Caules- 

 cence), the adnation of leaves 

 on their stalks to the stem 

 (C. Schimper). 



Recep'tacle, Reeepta'crulum (Lat., 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- 

 like body containing other bodies, 

 as (a) Leveill6's term for a sporo- 

 phore ; (b) = STROMA ; (e) an 

 apothecium in Ascomycetes ; 

 (d) a pycnidium ; (e) the inner 

 portion of the sporophore sup- 

 porting the gleba in Phalloideae ; 

 (/) a cup of the Lichen-thallus, 

 which contains sortdia ; (3) the 

 placenta ; ~ of a Flow'er, the 

 axile part of the blossom 

 which supports the sepals, petals, 

 stamens and pistils ; ~ of In- 

 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'cula accidenta'lia, 

 indeterminate passages filled with 

 secretion ; ~ caeciform'ia, J the 

 vittae of the fruit of Umbelliferae ; 

 ~ Suc'ci prop'rii ; ~ tubulo'sa, = 

 CINENCHYMA, laticiferous vessels ; 

 ~ vesiculo'sa, receptacles of oil ; 

 receptac'ular, receiitacidar'in, per- 

 taining to the receptacle, or 

 attached to the receptacle ; ~ Tube, 

 the calyx-tube. 



recep'tive (N. Lat. receptivu*), having 

 the quality of receiving ;~Spot, (1) 

 the point in the oosphere of Ferns, 

 etc., where the antherozoids enter ; 

 (2) that hyaline spot on a large 

 planogamete where it will coalesce 

 with a small (male) planogamete. 



Recess', = SINUS. 



recip'rocal (reciprocu-s, going back- 

 ward and forward), mutual ; ~ 



221 



