sexfarious 
sigmoid 
sexfar’ious, -us (sex, six, fariam, 
suffix = in rows), presenting six 
rows, extending longitudinally 
round an axis. 
sex'ifid (sex, six, fd = cleft), six-cleft 
(Crozier); sexioc’ular (loculus, a 
small cell), six-celled. 
sexpar'tite, sexparti'tus (Lat.), cut 
into six segments, 
Sex’tant (sextans, a sixth part), a 
radial cell division of segments 
in three series, a sixth part of the 
original (De Bary). 
sex’ tuplex (Lat.),six-fold or six-times. 
sex’ual, serua/lis (Lat., pertaining to 
sex), (1) the distinction of sex; 
(2) applied to the phenomena 
of conjugation generally ; ~ Gener’- 
ation, the stage which bears 
the sexual organs; in Ferns the 
prothallus ; ~ Sys’tem, Linnaeus’s 
artificial arrangement by the num- 
ber and position of the sexual 
organs. 
Shaft, Withering’s word for StyLz. 
Shag-hai’rs, VILLI, in German 
“‘Zotten.” 
shag’gy, villous. 
Shake, defect in timber due to the 
attacks of Trametes Pini, Fr. ; 
also known as Bark-, Heart-, or 
Ring-shake. 
sharp-pointed, acute. 
Sheath, (1) a tubular or enrolled part 
or organ, as the lower part of the 
leaf in grasses ; (2) a limiting layer 
of surrounding cellular tissue, as 
the BuNDLE-SHEATH; sheath’ing, 
enclosing as though by a sheath. 
Shelf, conduc’ting, Dickson’s term for 
a ledge within the ascidium of 
Cephalotus follicularis, Labill. 
Shell, (1) the hard envelope of a nut ; 
(2) a mass of layers in the cell-wall. 
Shel'ter-par’asite, see Domatia. 
Shield, (1) an apothecium or disk 
arising from a Lichen-thallus, con- 
taining asci; (2) in Characeae, one 
of the eight cells forming the 
globule; (3) the staminode of 
Cypripedium (8. Moore) ;~ shaped, 
in the form of a buckler ; clypeate, 
peltate, or scutate. 
240 
Shift‘ing, the same as GtLmpINa 
GrowTH ; in Germ. Verschiebung. 
shi/ning, lucid, a clear and polished 
surface, 
Shoot, (1) a young growing branch or 
twig ; (2) the ascending axis ; when 
segmented into dissimilar mem- 
bers it becomes aStEm ; ~ Pole, that 
oint where new  shoot-growth 
egins, cf. Roor-PoLe ; leafy ~, a 
branched shoot; thal’loid ~ , an 
unsegmented shoot. 
Short-rods, short bacteria. 
Shrub, a woody perennial of smaller 
structure than a tree, wanting the 
bole; shrub’by, like a shrub; 
Shrub’let, an undershrub. 
sic’cus (Lat.), dry, juiceless, contain- 
ing little or no watery juice; sic- 
cita’te (Lat., abl. absol.), in the dry 
state, thatis, herbarium specimens. 
Sick’le-stage, of nuclear division, 
Zimmerman’s term for the Para- 
NUCLEUS of Strasburger, a crescent- 
shaped body at one margin of the 
nucleus, supposed to represent a 
stage in the disappearance of the 
nucleolus. 
Sieve-cells, the individual cells 
which constitute the Sirvz Tuszs ; 
~ Disk, ~ Field, ~ Plate, the 
pierced plate on the transverse 
or lateral walls of vessels covered 
on both sides by callus; ~ 
Pores, the openings in a sieve- 
plate; ~ Tis’sue, long articulated 
tubes, whose segments communi- 
cate by means of the sieve-plates ; 
~ Tubes, the tubes composing the 
tissue described; ~ Xylem, ap- 
plied by Chodat to groups of sieve- 
cells in the wood of Dicella. 
sigilla’rian, resembling or allied to 
Sigillaria, a genus of fossil plants 
whose surface is marked with 
numerous scars; sig’illate, sigilla’- 
tus (Lat., sealed), as if marked 
with impressions of a seal, as the 
rhizome of Polygonatum. 
sig’matoid (c?yua, the Greek s, ¢ldos, 
resemblance), or sig’moid, sigmoi'- 
deus, doubly curved in opposite 
directions, like the Greek s, 
