22 PLANT PROPAGATION 
of their leaves; such may be grown on, or the scales of 
the bulbs may be broken off and planted in sandy soil to 
supply young plants. 
When raised from seed, although some species become 
strong enough to flower in two years, many bulbs do not 
attain to flowering size and exhibit their true characters 
until they have been grown on for several years. 
GLADIOLUS CORM, SHOWING | CYCLAMEN PERSICUM, SHOWING 
MODE OF INCREASE. CORM AND MODE OF ROOT- 
ING, 
Corms. 
These are often confounded with bulbs and called such. 
They differ in consisting, not of scales, but of a solid 
fleshy mass, although a slight outer covering sometimes 
exists, as in the case of Gladioli, Ixias, and Crocuses. 
These are propagated by planting and tending the young 
corms produced at the base and around, which in Gladioli 
