Suture 
symphiantherous 
relating to a suture; Su’ture, (1) 
a junction or seam of union; (2) 
a line of opening or dehiscence ; 
sutura’rius, possessing a suture. 
Swarm, a number of spores or 
unicellular Algae of similar origin, 
which remain in company without 
being united; cf. ADELPHOTAXY ; 
~ Cell, ~ Spore, a motile naked 
protoplasmic body, a zoospore ; 
Swarm’ers, zoospores; swarming, 
moving by means of cilia, applied 
to zoospores. 
swim’ming, used vaguely for aquatics 
which float or have floating leaves ; 
also restricted to those wholly 
immersed and free; ~ Appara’tus, 
in Azolla, three apical episporic 
spongy masses of tissue, surround- 
ing a central conical body with an 
array of fine filaments (Campbell). 
Switch-plants, plants whose leaves 
are wanting or reduced, with green 
shoots acting in place of leaves. 
sword-shaped, ensiform. 
sychnocar’ pous, -pus (cvxves, frequent, 
xaprros, fruit), able to produce fruit 
many times without perishing, as 
trees and herbaceous perennials. 
Sy’con =8ycon’ium, or Sy’conus (cixcor, 
fruit of the fig-tree), a multiple 
hollow fruit, as that of the fig. 
Syco’sis (ctxwors), «a skin disease 
ascribed to species of Microsporon. 
Sygolli’phytum, error (?) for Syncolli- 
ph’ytum (cvykoddos, glued together, 
gurov, a plant), » plant in which 
the perianth becomes combined 
with the pericarp. 
Syl’'va, or Sil’va (Lat., a wood), 
applied to an account of the trees 
of a district, or a discourse on trees ; 
syl’van, relating to woods ; sylvat’- 
icus or silvat’icus, growing amongst 
trees; sylves’tral, used by H. C. 
Watson for plants which grow in 
woods and shady places ; sylves’tris 
or silves'tris, growing in woods; 
sylves’trine (Crozier), growing in 
woods; Syl’vula, (1) a plantation ; 
(2) a small Syzva. 
sym, a modification of syn (dv), with ; 
Sym’bion (Alos, life), an organ which 
lives in a state of Symstosis; 
Sym’biont (Symbio’tes, of Tubeuf), 
an individual existing in Symbio’- 
sis, the living together of dissimilar 
organisms, with benefit to one only, 
or to both; also styled commen- 
salism, consortism, individualism, 
mutualism, nutricism, prototrophy 
and syntrophism ; antagonis’tic ~ 
is a struggle between the two 
organisms ; conjunc’tive ~ where the 
symbionts are intimately blended 
so as to form an apparently single 
body; contin’gent ~ , when one 
plant lives in the interior of another 
for shelter, not parasitism, in Germ. 
Raumparasitismus ; disjunc’tive ~ 
when the association is only tem- 
porary (Frank); mutualis’tic ~ 
whenof reciprocal advantage ; sym- 
bio'tic, relating to symbiosis; ~ 
Sap’rophytism, the condition of a 
higher plant as a Phanerogam, 
in symbiosis with a Fungus 
(Macdougal). 
symmetran'thus (supzperpla, propor- 
tion, dvos, a flower), when a 
perianth is divisible into equal 
parts by several planes of division ; 
symmetric, symmet’rical, (1) act- 
inomorphic ; (2) similar in the 
number of members in calyx, 
corolla, and androecium; sym- 
metricar’pus (kapros, fruit), a fruit 
which is symmetric, as first de- 
fined; Sym’metry, Symmet’ria, cap- 
able of division into similar halves. 
Sym’pathy (cuprddea, fellow-feeling), 
(1) the faculty of ready union in 
grafting; (2) readiness to hybridize, 
or receive foreign pollen; adj. 
sympathet’ic, 
Sym’pedae, pl. (dv, with, médn, a 
fetter), applied by O. Mueller to 
those Diatoms having superficial 
symmetry ; Sympet/alae, (éradov, 
a flower leaf) = GAMOPETALAE ; 
sympetal'icus, t the cohesion of the 
stamens to the petals, asin Malva ; 
sympet’alous, -/us, with united 
petals, gamopetalous. 
symphian’therous, -rus(cvnpvw, Icause 
to grow together, av@npos, flowery), 
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