Rhiziophysis 
Rhodospermin 
the root-hairs of Mosses, etc., 
Ruizors ; Rhiziophy’sis t (pots, a 
natural production), an expansion 
of the radicle, as in Nelumbium ; 
Rhizo’bia (los, life), the organisms 
which cause root-tubercles in Legu- 
minosae ; Rhizoblas’tus t (Sdao7ds, 
a bud), an embryo which emits 
roots ; Rhi’zocarp (xapzés, fruit), 
used of Marsileaceae, which 
produce sporangia on root-like 
processes ; rhizocar’pous, rhizo- 
ear’pic, -picus, (1) root-fruited, 
used by De Candolle to denote a 
perennial herb ; (2) producing sub- 
terranean flowers and fruit, in 
addition to aérial, as Cynometra 
cauiflora, Linn., and <Anona 
rhizantha, Kichl. (Huth); Rhi- 
zocol'lesy (xd\da, glue), the union 
of the axes of two individuals of 
the same species solely by the 
roots (Morren); Rhizocton‘ia 
(xrévos, murder), hyphae twisted 
into strands like twine which 
fasten on the roots of trees; Rhi’- 
zogen (yévos, race, offspring), (1) 
aw 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 
(eldos, 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, pl. Rhizo’mata 
(1) the rootstock or dorsiventral 
stem, of root-like appearance, pros- 
trate on or under ground, sending 
226 
off rootlets, the apex progressively 
sending up stems or leaves; (2) = 
CaupeEx (Henslow) ; (3) = KapicLe 
(Henslow) ; rhizomatiic, -cus, rhizo’- 
matose, having the character of a 
rhizome ; rhizo’mic is used by 
Harvey for the same thing ; Rhi’- 
zomorph (nop), shape), a root- 
like branched strand of mycelial 
hyphae; rhizomor’phic, ~-phoid, 
-phous, (1) root-like ; (2) resembl- 
ing a rhizomorph; Rhizoph’agist 
(payeiv, to eat), Boulger’s term for 
a plant which is nourished by its 
own roots, an autophyte or rhi- 
zophyte ; rhizoph’ilous (¢iréw, I 
love), growing attached to roots; 
Rhi’zophore (fopéw, I carry), a 
leafless branch in Selaginella, which 
eventually emits true roots; Bhi’- 
zophyll (¢v\)ov, 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 (gurov, a 
plant), = RuizopHagist; Rhi’- 
zophylla’ceae (gvAdov, 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 ; rhizophylla’- 
ceous, resembling such Ferns ; Rhi- 
zophy’sis = RuizioPHysis ; Rhizo- 
podium + (ois, modos, a foot), the 
mycelium or ‘‘spawn” of Fungi; 
Rhizotax’is, Rhizotax’y (rdéus, order), 
the system of arrangement of the 
roots; Rhi’zula ¢ the protonema 
of Mosses, etc. 
rhodel’lus (/édov, a rose), rosy pink ; 
rhodoch’rous (xpda, colour), rose- 
coloured, pink ; Rhod’ogen (yévos, 
offspring), an easily oxidizable 
body in the beet (Reinke) ; rhodo- 
leu’cus (eveds, white), reddish 
white ; Rhodol’ogy (Adyos, dis- 
course), that part of botany which 
treats of roses; Rhod’ophyll (pvAdov, 
a leaf), a name for the compound 
pigment of the Red Algae (Reinke), 
cf. RHIZOPHYLL; Rhodosperm’in 
(crépua, a seed), rose-coloured 
