56 



Pteif'erus, Pykifor'mis — Pear-shaped. 



Pyxid'ium, Pyxid'ula — A capsule with 

 transverse dehiscence, which separates 

 it into two parts— the lid or oper- 

 culum, and the urn or amphora.. Ap- 

 plied also to the theca of Mosses, 

 and fruit of Pimpernel, ' AnagalKs 

 arvensis. 



Quad'bi signifies Four, in compounds, as in 

 the following terms : — Quadbangu- 

 la'eis. QuADKAN'euLtis — Four cor- 

 nered, approximating to the form of a 

 quadrangular prism. QnADRioEU'Bls — 

 Having four legs or supports. QuAD- 

 bidi'gitatb— Digitate in four divisions. 

 Quadrifa'eius — Arranged in four 

 rows. Quadrifo'liate — Synonym for 

 " Quadridigitate." Quadri'Fidus — 

 Oleft in four |. arts. Qhadei'jugus — In 

 four pairs [juguirt^ a yoke). 



Quar'tine, Qoabti'na — A lamina, re- 

 sembling a distinct integument, Which 

 occasionally occurs within the tercine 

 or nucleus of ovules. Quatbbnatb — 

 When verticulate appendages are 

 arranged in fours. 



Quasibadia'tus— Where the florets of thp 

 ray, in the capitula of Compositae, are 

 inconspicuous. Also applied to the 

 periolinium when it appears to be only 

 slightly radiate. 



Qoi'NATE, Quina'tus (QniNUS, five) — Whgre 

 five similar parts are arranged together. 



Quincdn'cial, Quinouncia'lis — In the 

 order of the Quincunx. When the parts 

 of a floral whorl, in aestivation, are five, 

 and so disposed that two are exterior, 

 one or two wholly interior, and the 

 other two, or one, partially imbricate. 



Qdinquenee'ved, Quinquenbb'vis, Quin- 

 quenee'vius — When the priinary 

 nerves of a leaf, four in number, 

 branch off from the base of theHmh, 

 so that (including the midrib or mid- 

 nerves) it becomes furnished with five 

 ribS; Qbintu'plineiwis— Where four 

 distinctly-marked primary nerves of a 

 leaf are given off from the midrib,,but 

 do not meet at the base as in quinqui- 

 nerved. 



Quinti'na — A lamina resembling a distinct 

 integument, which occasionally invests 

 the embryo, within the quartine. 



QciNTu'PLEi), QuiNTu'PLEX— Where the 

 arrangement is a multiple of five. 



Race — A variety of any species of which 

 the individuals for the most part retain 

 a marked peculiaritv of character when 

 raised from seed. To the Queenslander 

 this can be explained by reference to 

 the Peach-tree. Those which fruit 

 prolifically about Brisbane' may be 

 said to belong to the China "race," 

 those of Stanthorpe and the Southern- 

 Colonies to the old Persian " race. " It 

 will be observed that a great difference 

 occurs in both leaf and fruit. 



Racb'me, Ra'oemos, Kaoemose— a form 

 of inflorescence in which the flowers 

 are borne on pedicels along a single 



undivided axis Or rhachis. RAOB- 

 mifob'mis— Shaped like a raceme. 

 Raoemulosus — The diminutive of 

 " Racemosus," the inflorescence in very 

 small racemes. 



Ra'chis or Rha'chis — That portion of an 

 inflorescence, leaf, or frond upon which 

 the ramifications are attached' — that is, 

 the continuation of the petiole or 

 peduncle ,' also of the stipes in ferns. 

 RHA'CHtLLA is the axis of the spikelet 

 of a grass. 



Eaohi'tis— A disease producing the 

 aborti' n of fruit. 



Ra'diai., Radia'lis — Belonging to the ray, 

 in Compositae, &o. 



Ra'diant, Ra'diate, Radia'ted, Radiat'- 

 ING, Ra'dians, Radia'tdb — Arranged 

 like rays, or the extreme portion 

 of rays, spreading from a common 

 centre. 



Rad'ical, Radioa'lis — Proceeding from a 

 point close to the summit or crown of 

 the root. Radioa'tion— The general 

 disposition and arrangement of the 

 roots. 



Radicbl'la and Radi'odla— -The diminu 

 tive for " Radix," root. 



Rad'iole, Radi'oula — The rudimentary 

 state of the root in the embryo. Some- 

 times applied to small roots, or to the 

 fibres about the tap-root. 



Ra'dius-medul'laeis — ^A pith or medullary 

 ray. 



Raisins, Deying of— See " Currants." 



Ra'jial, Ramea'lis— Either originating 

 from a branch, or merely growing On a 

 branch. 



Ramea'eius — Usually restricted to aerial 

 roots, which originate from branches. 



Ramen'tum — A shaving ; a thin mem- 

 branous scale-like lamina of cellular 

 tissue, on the surface of plants. Ramen- 

 ta'ceous, Rambnta'cbus — Bearing 

 ramenta, as found on the stipes of many 

 Ferns. 



Ra'meous, Ra'meus— Synonym for "Ra- 

 mal." 



Eajiiflo'eus — Where the flower or inflores- 

 cence occurs on the branches. 



EAjriFOR'Mis — Resembling a branch in 

 form. 



Ramo'sds— Full of branches. 



Ra'mus— A branch ; any subdivision of the 

 stem, originating in the development 

 of a caulinar leafbud. Ra'mulus— A 

 little branch ; also Ramun'culus, the 

 ultimate subdivision in branching. 

 Ramus'culum is synonymous. Ramus'- 

 CDLi is applied to the mycelium of some 

 Fungi. 



Rapa'ceus— Like the Radish root. Syno- 

 nym for '• Fusiformis." 



Raphe', Rapha (A seam)— A fibro-vasou- 

 lar chord running from the placenta to 

 the nucleus, through the chalaza. 



Raphi'de, Ra'phida, Ra'phis (A needle) 

 — A minute frequently acicular crystal 

 of some insoluble salt formed in the 

 interior of plants. These are abundant 

 in tho fruit of Monstera deliciosa, also 

 •in the stalk of Rhubarb (giving sign of 

 their presence by grittiness of the 

 tissue when cut through). 



