37 
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Ls oe aban Z ea seme, 1 NA 3. a Aa Tat nye yan a 
BOLNMEN Gna .9Db.ins General Soran: (4 OH OG.e}e 
there aro two cublivisions of the seed plants, namely 
Sy.anosscrms (coumonl; known as conivere), and angiosoerms (or 7lower- 
@) 
ing olants). In a broad sense the cones o2 the Gymnosperms are 
slowers. The ccnes arc o. tyo kinds, one less conspicuous and € pnem- 
eral which bears vollen enone bearing cvules which eventually form 
seeds. the ovules (and seeds) are torns uson the surfaces of modified 
leaves called sooroohylls (or more comnonly cone scales), and are 
usually subtended by a more or less conssicuous stertle leaf called 
the bract. In Juniperus the scales are fleshy, rather than woody, 
and coalesc:. tc form a berry-like fruit with 2-3 seeds. In Texus a 
“ruit resembling a cherry is formed. 
The ordinary flower of the angiosperms consists of a stalk 
voon which are borne several series of highly modified leaves. These 
may be spirally arranged but are usually in whorls, that is, in cir- 
clets, there being normally four whorls in a flower. From the outside 
passing inward, the whorls are designated: the calyx, the corolla, the 
stamens and the pistil (or pistils). Component parts of the calyx are 
called sepals, of the corolla, petals. The calyx and corolla are known 
collectively as the perianth. The stalk of the stamen is called the 
filament, the pcllen-bearing sace, the anthers. The ovules are con- 
tained within the ovary of the pistil, the slender projection into which 
