‘Beytinum 
sectus 
Scy’tinum (cxvrivos, leathern), used 
by Necker to denote an indehiscent 
pulpy pod, as of the Tamarind. 
sea-green, glaucous. 
Seam, see TRACHEID-SEAM. 
seba‘ceous, seba’ceus (Lat., a tallow 
candle), like lumps of tallow. 
Sebiferous (sebum, tallow, fero, I 
bear), bearing vegetable wax or 
tallow. 
secondary, secundar’ius, not primary, 
subordinate; ~ Bast, the result of 
the continued activity of the cam- 
bium, a formation of bast of the 
same essential character as the 
primary bast, but not forming a 
part of the original bundle; ~ 
Bud, additional to the usual bud, 
when more than one occurs in or 
near the axil; ~ Cor’tex, succes- 
sive formations of liber or bast 
within the cortical sheath and 
primary cortex, exclusive of the 
secondary cork, phelloderm; ~ 
Des’mogen, formed from the cam- 
bium and destined to become 
secondary permanent tissue; ~ 
Pun’gus, a parasite or sapro- 
phyte which attacks a plant after 
it has been injured or killed 
by some other Fungus ; ~ Growth, 
additional or subsequent to prim- 
ary growth; ~ Hy’brid, a hybrid 
one or both of whose parents were 
also hybrids ; ~ Li’ber, = ~ 
Bast; ~ Medul’-lary Rays, those 
which are intermediate between 
the primary rays, and do not 
extend to the pith; ~ Mem’- 
pers, all those which are de- 
veloped from the primary members, 
if borne directly, they are said to 
be of the first order, if on the 
latter, of the second order, and so 
on; ~ Mer‘istem, a cambium 
which arises in an organ after its 
first development, by means of 
which further growth is pos- 
sible ; ~ Myce’lium, rhizoid 
attachments to the base of the 
sporophore resembling the normal 
mycelium ; ~ Nu’cleus, the nucleus 
of the embryo-sac, resulting from 
235 
the union of the two polar nuclei ; 
~ Pedun’cle, a branch of a many- 
flowered inflorescence ; ~ Pet/iole, 
the footstalk of a leaflet; ~ Root, 
a lateral root, or a branch from 
the primary root ; ~ Scleren- 
ch’yma consists of elongated pro- 
senchymatous cells having ligni- 
fied walls marked with narrow 
oblique bordered pits ; ~ Spore, a 
spore borne on a promycelium or 
derived from another spore; ~ 
Struc’ture, (1) any structure not 
rimary, or (2) after it has grown 
eyond its early condition ; ~ 
Tis’sue, refer to DesMocEN, Vascu- 
LAR TISSUE, etc. ; ~ Wood, derived 
from the cambium but not in the 
original bundle as first formed, it 
differs from the primary wood by 
not having spiral or annular vessels 
like those on the protoxylem 
( Vines). 
Sec’ondine = SEcuNDINE (Crozier). 
Secre’tion (secretio, a dividing), a 
substance formed from the fluids 
of the plant by the agency of gland- 
ular cells; ~ Bod’ies, secretory sacs; 
secre’tory, producing a secretion; ~ 
Sac, a unicellular or aggregated sac 
containing excreta as gum, resin, 
oil; ~ Space, an intercellular space 
containing similar products of 
secretion ; ~ Tis’sue, as above, it 
forms a storehouse for the waste 
products of the plant. 
sec’tile, sect’ilis (Lat., cut or cleft), 
as though cut up into portions, as 
the pollen of some Orchids. 
Section (sectio, a cutting), (1) a thin 
slice taken usually for microscopic 
inspection, in a given direction ; 
(2) an important division of a 
genus. 
Sec’tor (Lat., one who cuts), the term 
pericy’clic ~, is used by Bastit for 
interruptions of the continuity of 
the central cylinder of the subter- 
ranean portion of Polytrichum, as 
viewed in cross-section. 
sec’tus (Lat., cut), parted, completely 
divided to the base; in composition 
it forms the suffix sect. 
