semipollicaris 
Bepticide 
LoID), petaloid ; of the shape or 
texture of a petal ; semipollica’ris 
(+ pollex, a thumb-breadth), about 
half an inch in length; semira’- 
dians, semira’ diate, semiradia’tus 
(radians, emitting beams), when 
only a portion of the outer florets 
of a Composite are radiant and 
different from those of the disk ; se- 
mire’niform, semitreniform’is (renes, 
the kidneys, forma, shape), kidney- 
shaped on one side only; semi- 
reticula’‘tus (reticulatus, netted), 
when one of several layers is 
netted, the others membranous ; 
semisag ittate, semisagitta’tus (sa- 
gitta, an arrow), arrow-shaped on 
one side of the longitudinal axis ; 
semisep’tate, semisepta'tus (+ SEP- 
TaTus), half-partitioned, the dis- 
sepiment not projecting far enough 
to divide it into two cells; semi- 
stam’inate, semistaminar'ius, -ris 
(+ Sramen), when part of the 
stamens are changed into petals ; 
semisymphioste’monis (+ cuudia, 
I unite, crjpwy, a stamen), when 
some of the stamens cohere, the 
rest remaining free; sem‘iterete, 
semiter’es (teres, round and taper- 
ing), half-terete; semitrig’ynus 
(rpls, three, urn, a woman), when 
of three styles two are united half 
way, the third being free on the 
ovary (Meissner); semival’vate, 
semivalva’'tus (+ VALVATE), when 
the valves of a fruit are only par- 
tially dehiscent ; semivertic’illate 
(+ VERTICILLATE), subverticillate 
(Crozier). 
sempervi'rent, sempervirens (Lat.), 
evergreen, retaining its leaves 
during the winter. 
se‘nary, sena’rius (Lat.), belonging 
to, or containing, six. 
Senes’cence (senesco, I grow old), the 
ageing of protoplasm ; a term used 
by Maupas for the condition of the 
offspring of a long continued series, 
which, after continued fission, ulti- 
mately degenerate, and lose first 
the power of conjugating, and 
finally that of fission. 
238 
sensib’ilis (Lat.), sensitive, manifest- 
ing irritability ; sen’sitive, sensiti’- 
vus, responsive to stimulus, as 
the leaves of Mimosa pudica, Linn. ; 
~ Tis’sues, those in which the 
sensibility resides ; Sen’sitiveness, 
irritability ; sen’sory, sensitive. 
Sep’al, Sep'alum (cxérn, a covering), 
Necker’s convenient term in uni- 
versal use for each segment com- 
posing a calyx ; sep’aline, sepali’- 
nus ; sep’alous, relating to sepals ; 
sep’aloid, sepaloi’deus (eldos, re- 
semblance), resembling a sepal ; 
Sepalo’dy, the metamorphosis of 
petals into sepals or sepaloid 
organs ; Sepal’ulum, Necker’s di- 
minutive for a small sepal. 
sep’arate (separatus, put apart) 
Flow’ers, those of distinct sexes, 
diclinous ; sep’arating Lay’er, the 
ABSCISS-LAYER, a8 in leaf-fall; 
Separation, multiplication by natur- 
ally detachable portions, such as 
gemmae, bulbils, etc. 
sepia’ceus (sepia, a cuttle fish), sepia- 
coloured, a dark clear brown. 
Sepic’ola (sepes, a hedge, colo, I 
inhabit), an inhabitant of hedges, 
Henslow prints it sepi’colus. 
Sep’ta, pl. of Sep’tum (Lat., a hedge 
or enclosure), any kind of parti- 
tion, whether a true dissepiment 
or not ; septa’lis (Lat.), belonging 
to a septum ; septal, H. C. Wat- 
son’s term for plants growing in 
hedgerows; sep’tate, septa’tus, 
divided by a partition ; ~ Spore= 
SPoRIDESM. 
septem’fid (septem, seven, fid, the 
root of findo, I cleave), cut into 
seven divisions; septempar tite (par- 
titus, cut), divided into seven lobes; 
septen‘ate, septena’tus, sept’enus, 
having parts in sevens, as in a com- 
pound leaf, with seven leaflets 
arising from the same point ; sep- 
tena‘tal-pin’nate, used by Bab- 
ington for those brambles which 
have seven pinnules in each leaf. 
septici’dal, sep’ticide, septicida’lis 
(septum, « hedge or enclosure, 
caedo, I cut), when a capsule 
