Rhiziophysiu 



Rhodospennin 



the root-hairs of Mosses, etc., 

 RHIZOIDS ; Rhiziopny'sis (Quirts, a 

 natural production), an expansion 

 of the radicle, as in Nelumbium ; 

 Rhizo'bia (/St'os, life), the organisms 

 which cause root-tubercles in Legu- 

 minosae ; Rhizoblas'tus J (/SXaords, 

 a bud), an embryo which emits 

 roots ; Rhi'zocarp (/capTrds, fruit), 

 used of Marsileaceae, which 

 produce sporangia on root-like 

 processes ; rhizocar'pous, rhizo- 

 car'pic, -picus, (1) root-fruited, 

 used by De Candolle to denote a 

 perennial herb ; (2) producing sub- 

 terranean flowers and fruit, in 

 addition to aerial, as Cynometra 

 cauliflora, Linn., and Anona 

 rhizantha, Eichl. (Huth) ; Rhi- 

 zocol'lesy (\-d\Xa, glue), the union 

 of the axes of two individuals of 

 the same species solely by the 

 roots (Morren) ; Rhizocton'ia 

 (Kr6vos, murder), hyphae twisted 

 into strands like twine which 

 fasten on the roots of trees ; Rhi'- 

 zogen (7eVos, race, offspring), (1) 

 a plant which produces a root 

 and flower only, as Rafflesia ; (2) 

 parasitic on the roots of other 

 plants ; (3) any organ which gives 

 rise to roots or rhizoids ; rhiz- 

 ogenet'ic, rhizogen'ic, producing 

 roots ; ~ Cells, <~ Tis'sue, the 

 mother-cells of the peripheral 

 layer of the central cylinder which 

 frequently give rise to all the 

 tissues of the rootlet ; Rhizog'enum, 

 the dilated base of the frond in 

 some Algae, from which proceed 

 holdfasts (Henslow) ; Rhi'zoid 

 (elSos, resemblance), a hair, fre- 

 quently branched, serving as a 

 root in Mosses and Hepaticae, not 

 morphologically distinct from the 

 protonema, the same as RHIZINE ; 

 rhi'zoid, rhizoid'eus, root-like ; 

 rhizoma'tiform (forma, shape), re- 

 sembling a rhizome in shape ; 

 Rhi'zome, Rhizo'ma, pi. fihizo'mata 

 (1) the rootstock or dorsiventral 

 stem, of root-like appearance, pros- 

 trate on or under ground, sending 



off rootlets, the apex progressively 

 sending up stems or leaves ; (2) = 

 CAUDEX (Henslow) ; (3) = RADICLE 

 (Henslow) ; rhizomat'ic, -cus, rhizo'- 

 matose, having the character of & 

 rhizome ; rhizo'mic is used by 

 Harvey for the same thing ; RM'- 

 zomorph (^opcp^, shape), a root- 

 like branched strand of mycelial 

 hyphae ; rnizomor'phic, -pnoid, 

 -phous, (1) root-like ; (2) resembl- 

 ing a rhizomorph ; Rhizoph'agist 

 (<po.yf.tv, to eat), Boulger's term for 

 a plant which is nourished by its 

 own roots, an autophyte or rhi- 

 zophyte ; rhizoph'ilous (0iXeu, I 

 love), growing attached to roots ; 

 RM'zophore (<popew, I carry), a 

 leafless branch in Sclagine/la, which 

 eventually emits true roots ; RM'- 

 zophyll (fiuXXov, a leaf), Schuett's 

 name for a compound pigment in 

 Algae, consisting of Phycoerythrin 

 and Floridean Green ; rhizophyl'- 

 lous, when roots proceed from 

 the leaves ; Rhi'zophyte (<PVTOJ>, a 

 plant), = RHIZOPHAGIST ; Rhi'- 

 zophyUa'ceae (<j)v\\ov, a leaf, -t- 

 aceus), a division of Ferns pro- 

 posed by E. Newman for those in 

 which the fronds are attached to 

 the rhizome or root ; rhizophylla'- 

 ceous, resembling such Ferns ; Rni- 

 zophy'sis = RHIZIOPHYSIS ; Rhizo- 

 pod'ium J (?roOs, 7ro56j, a foot), the 

 mycelium or "spawn" of Fungi; 

 Rhizotax'is, Rhizotax'y (rdis, order), 

 the system of arrangement of the 

 roots ; Rhi'zula the protonema 

 of Mosses, etc. 



rhodel'lus (poSov, a rose), rosy pink ; 

 rhodoch'rous (xpda, colour), rose- 

 coloured, pink ; Rhod'ogen (7^0?, 

 offspring), an easily oxidizable 

 body in the beet (Reinke) ; rhodo- 

 leu'cus (\evic6s, white), reddish 

 white ; Rhodol'ogy (\6yos, dis- 

 course), that part of botany which 

 treats of roses; Rhod'ophyll (<pv\\ov, 

 a leaf), a name for the compound 

 pigment of the Red Algae (Reinke), 

 cf. RHIZOPHYLL ; Rhodosperm'in 

 (<Tirtp/j.a, a seed), rose-coloured 



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