194 SCHOOL AND HOME GARDENS 
(common on the Pacifie coast and on vines grown 
under glass) may be controlled with flowers of sulfur. 
; Pests. If the young 
leaves and vines become 
infested with plant lice, 
use kerosene emulsion 
or a strong solution of 
tobacco soap. 
An excellent way to 
Fic. 105. A Buneh of Grapes ina 
Paper Bag 
protect fruit against 
both disease and insect 
pests is to fasten paper bags around the bunches when 
the grapes are about half grown. The fruit will mature 
more evenly and it may remain on the vines longer. 
STRAWBERRIES 
Strawberries may be grown in any good garden soil 
that is hght and fertile. The plants may be set out in 
midsummer, fall, or spring. Strong ones transplanted in 
July or August will give a full crop of fruit the next 
season. They may succeed potatoes. onions, or any of 
the early vegetables. 
Some varieties of strawberries bear both stamens and 
pistils and are known as “ perfect flowering plants.” 
while others bear pistils only and are known as “ pistil- 
late plants.” The pistillate forms must have perfect 
flowering plants growing every eight or ten feet in the 
row, to pollenize their blossoms. 
