IMPERIAL NO.4152) ¢ ws. os .s peas boy es oe ee 2 ondary 
Heads: Medium large, firm, round, rather exposed, slightly crumpled; 
outer leaves large, spreading, medium light green; interior crisp, trans- 
lucent white, tender; resistant to brown blight but fairly susceptible to 
tip-burn, dependable header. Good shipper. West Coast counterpart of 
IMPERIAL NO. 44. 
IMPERIAL NO. 456 (NEW YORK NO. 456) w.s. . 80-82 days 
Heads: Large, solid, ribby, dark green, resists tip burn. Produces hard 
heads during periods of high temperature. Developed by Cornell Uni- 
versity and the U.S.D.A. 
IMPERIAL=NO:515. w.si. 4» ot ee ee a onda 
Heads: Medium large, solid, crisp, dark green, similar to NEW YORK NO. 12 
though heads are more conical in shape, and slightly earlier. It is 
resistant to tip burn. 
IMPERIAL NO. 615 ws. . . : |. . . . . 83-86'days 
Heads: Very large, well folded, firm, mostly globular; outer leaves large, 
coarse, spreading, silvery green, only slightly crumpled; interior crisp, 
juicy, white. 
Developed as large heading strain from IMPERIAL NO. 152 and has 
same habit of growth, disease resistance and shipping ability. 
IMPERIAL NO. 847 bs. . . . . . .  . ~~. ©83-86 days 
Heads: Medium large, solid, round to oval, well covered, attractive, 
crumpled; outer leaves large, thick, fairly smooth, pale to medium 
green; interior tender, crisp, green tinted white; widest adaptation of 
IMPERIAL Strains, being more tip burn resistant and dependable 
header; resistant to brown blight. Valuable home garden, local mar- 
ket and shipping strain. 
IMPERIAL NO. 850 ws. . . . . . . = .  . 84-87 days 
Heads: Very similar to IMPERIAL NO. 847, to which it is related; could 
be called the white seeded counterpart of IMPERIAL NO. 847; may be 
more resistant to tip burn. 
NEW YORK (WONDERFUL, LOS ANGELES) ws. .  . 80-83 days 
Heads: Large, firm, oblate to round, tightly folded; outer leaves medium 
yellow green to medium green, large, broad, semi-spreading, edges 
curled and notched; interior crisp, well blanched to creamy yellow, 
sweet. Forerunner of the shipping strains of NEW YORK and IMPERIAL 
type. 
NEW YORK NO. 12 (NO. 12 EARLY MOUNTAIN ICEBERG) wss. 
78-81 days 
Heads: Early, sure heading, medium large, compact, oblate to nearly 
round, uniform, well covered, but leaves not as long as IMPERIAL 
strains; outer leaves medium size, medium green, slightly crumpled, 
semi-erect; interior crisp, white, thin leaved and tender; tolerant to 
heat. Local market strain. 
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