Society, 
Sorrowful Flowers 
Soci’ety (Plant) see ASSOCIATION. 
soft, applied to tissue which readily 
yields to the touch; ~ Bast, the 
tissue of sieve-tubes and paren- 
chyma, opposed to the Harp Bast 
of layers of fibres. 
Sola‘nin, a poisonous crystallizable 
alkaloid in many species of Sola- 
num, especially in S. nigrum, 
Linn., the potato, and the tomato. 
So’lar (sol, solis, the sun) Plants, Grew’s 
name for those which twine with 
the sun, that is, dextrorse ; Sola’r- 
ium, in botanic gardens a spot for 
exposing plants to the full rays of 
the sun, : 
soldered, united together. 
sol’eaeform, soleaeform'is (solea, a 
sandal, forma, shape), slipper- 
shaped, almost resembling an hour- 
glass. 
Solena‘idy (cwd7v, a tube, aldoia, 
genitals), the conversion of the 
genitalia into barren tubes (Mor- 
ren) ; solenoste’lic. (cry, a pillar), 
having a tubular stele with inter- 
nal and external phloém (Jeffrey). 
solid, sol/idus (Lat.), not hollow, 
free from cavities; ~ Bulb = 
Cor. 
solitary, solita’rius (Lat., lonely), 
single, only one from the same 
place; Stokes used this for mono- 
typic genera. 
solu’bilis (Lat., that may be loosed), 
separating into portions or pieces ; 
Solubility, Solubil/itas, the con- 
dition of being readily loosed. 
solute’, solu‘tus (Lat., unbound), free, 
not adherent, becoming separate ; 
Solu’tion, the detachment of various 
whorls normally adherent; the 
opposite of ADHESION. 
So’ma (cGyua, a body), the body as 
distinguished from the germ or 
reproductive portion (L. H. Bailey), 
pl. So’mata, granules of any kind ; 
So’ma-plasm (7Adcua, moulded), 
Weismann’s term for the proto- 
plasm of the body or vegetative 
portion, in opposition to the germ- 
plasm ; Somat’ia, starch-like struc- 
tures in the fovilla of pollen- 
grains (Saccardo); somat‘ic Cells, 
cells not specially modified, the 
opposite of reproductive cells; 
somatogen'ic (yévos, offspring), 
Weismann’s word for ‘‘acquired 
characters”; Somatot’ropism 
(rpory, a turning), Van Tieghem’s 
term for the directive influence of 
the substratum on the growth of 
an organism; frequently shortened 
to Somat’ropism ; adj. somatrop’ic. 
soot’y, fuliginous. 
Sor’bin, a glucose occurring in Pyrus, 
some species of which were formerly 
ranked under Sorbus. 
sor’did, sor’didus (Lat., fouled), dirty 
in tint, chiefly applied to pappus 
when of an impure white; sor- 
didis‘simum, very dirty coloured, 
grey. 
Sorede’ (cwpds, a heap), a proposed 
emendation of Sore’dium, pl. Sore’- 
dia, in Lichens a single algal cell 
or group of them, enveloped in 
hyphal tissue, which is able to 
row at once into a thallus when 
etached ; a brood-bud; sore’dial, 
pertaining to a soredium; ~ 
Branch, a branch produced by 
development of a soredium into a 
new thallus, while still attached 
to the mother-thallus ; sore’diate, 
soredia’tus, bearing small surface 
eee soredii’ferous (fero, I 
ear), bearing soredia. 
Sore’ma (cdpevya, what is heaped), 
a heap of carpels belonging to one 
flower; Soreu’ma = SoREDIUM 
(Henslow). 
Sor’ghin, Passerini’s term for the 
product of transformation of Sor- 
ghoru’bin, the natural pigment of 
Sorghum vulgare, Pers. 
soriferous (cwpds, a heap, fero, I 
bear), bearing sori; Soro’se, Soro’- 
sis, Soro’sus, a fleshy multiple fruit, 
as a mulberry or pineapple ; adj. 
sor’ose. 
Sor’rowful Flow’ers, ‘‘ those which 
exale their odours only at certain 
hours of the day, as Pelargonium 
triste,” Soland. (Crozier) ; of 
PLANTAE TRISTES. 
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