Rhiziophysis 



Rhodospermin 



the root-hairs of Mosses, etc., 

 RHIZOIDS ; Rhizipphy'sis J (0iW, a 

 natural production), an expansion 

 of the radicle, as in Ndumbium ; 

 Rhizo'bia (/Sfoj, life), the organisms 

 which cause root-tubercles in Legu- 

 minosae ; Rhizoblas'tus I (jSXatrrds, 

 a bud), an embryo which emits 

 roots ; Rhi'zocarp (Kapirbs, fruit), 

 used of Marsileaceae, which 

 produce sporangia on root-like 

 processes ; rhizocar'pous, rbizo- 

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

 used by De Candolle to denote a 

 perennial herb ; (2) producing sub- 

 terranean flowers and fruit, in 

 addition to aerial, as Cynometra 

 caidiflora, Linn., and Anona 

 rhizantha, Eichl. (Huth) ; Rhi- 

 zocol'lesy (/cdXXa, glue), the union 

 of the axes of two individuals of 

 the same species solely by the 

 roots (Morren) ; Rhizocton'ia 

 (KT&VOS, murder), hyphae twisted 

 into strands like twine which 

 fasten on the roots of trees ; Rbi'- 

 zogen (yevos, 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 ; Rnizog'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'etts, root-like ; 

 rhizoma'tiform (forma, shape), re- 

 sembling a rhizome in shape ; 

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

 (1) the rootstock or dorsi ventral 

 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, rbizo'- 

 matose, having the character of a 

 rhizome ; rbizo'mie is used by 

 Harvey for the same thing ; Rhi'- 

 zomorph (noptpy], shape), a root- 

 like branched strand of mycelial 

 hyphae ; rhizomor'pbic, -phoid, 

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

 ing a rhizomorph ; Rnizoph'agist 

 (<pay civ, to eat), Boulger's term for 

 a plant which is nourished by its 

 own roots, an autophyte or rhi- 

 zophyte ; rhizoph'ilous (0iXe, I 

 love), growing attached to roots ; 

 Rhi'zophore (0opew, I carry), a 

 leafless branch in Selaginella, which 

 eventually emits true roots ; Rbi'- 

 zophyll (0uXXo>, a leaf), Schuett's 

 name for a compound pigment in 

 Algae, consisting of Phycoerythrin 

 and Floridean Green ; rnizopbyl'- 

 lous, when roots proceed from 

 the leaves ; Rbi'zophyte (<f>vrov, a 

 plant), = RHIZOPHAGIST ; Rhi'- 

 zopbylla'ceae (tj>v\\ov, a leaf, + 

 aceus], a division of Ferns pro- 

 posed by E. Newman for those in 

 which the fronds are attached to 

 the rhizome or root ; rhizopliylla'- 

 ceous, resembling such Ferns ; Rhl- 

 zophy'sis = RHIZIOPHYSIS ; Rhizo- 

 podlum J (TOI/J, 7ro5os, a foot), the 

 mycelium or ' ' spawn " of Fungi ; 

 Rhizotax'is, Rhizotax'y (rd^is, order), 

 the system of arrangement of the 

 roots ; Rhi'zula the protonema 

 of Mosses, etc. 



rhodel'lus (p6Sov, a rose), rosy pink ; 

 rhodoch'rous (xpfa, colour), rose- 

 coloured, pink ; Rhod'ogen (yevos, 

 offspring), an easily oxidizable 

 body in the beet (Reinke) ; rhodo- 

 leu'cus (Xei//c6s, white), reddish 

 white ; Rnodol'ogry (\6yos, dis- 

 course), that part of botany which 

 treats of roses; Rhod'ophyll (<t>v\\oi>, 

 a leaf), a name for the compound 

 pigment of the Red Algae (Reinke), 

 cf. RHIZOPHYLL ; Rhodosperm'in 

 (<nr{p/jia, a seed), rose-coloured 



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