Ramusculum 
reciprocal 
branch ; Ramus‘culum (Lat.), -lus, 
(1) the same as ramulus, abranchlet; 
(2) ‘the mycelium of certain 
Fungals” (Lindley). 
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 (pagy, a 
seam), (1) in a more or less anatro- 
aed ovule a cord or ridge of 
bro-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, pl. Raph’ides, Raph’ida, or 
Rhaph'ides (fadis, pagldos, aneedle), 
needle-shaped crystals in the cells 
of plants ; raphid’ian, pertaining to 
raphides ; ~ Cell, one which contains 
raphides ; Raph’idines, Radlkofer’s 
term for free, needle-shaped cells, 
with partly lignified cellulose- 
walls, occurring amongst phloém- 
islands in certain Acanthaceae ; 
raph'ioid (eldos, 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 (Iat.), 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, fecepta’'culum (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) Leveillé’s term for a sporo- 
phore; (b) = Srroma; (c) an 
apothecium in Ascomycetes ; 
(d) a pyenidium; (e) the inner 
portion of the sporophore sup- 
porting the gleba in Phalloideae ; 
(f) a cup of the Lichen-thallus, 
which contains soredia; (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, t+ the 
vittae of the fruit of Umbelliferae ; 
~ Sue'ci prop’rii; ~ tubulo’sa, = 
Cinencuyma, laticiferous vessels ; 
~ vesiculo’sa, receptacles of oil ; 
receptac’ular, receptacular’is, per- 
taining to the receptacle, or 
attached to the receptacle; ~ Tube, 
the calyx-tube. 
receptive (N. Lat. receptivus), 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 (reciprocus, going back- 
ward and forward), mutual; ~ 
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