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Woodruff’s A-36 
In the following descriptions, WS indicates White Seeded, 
BS indicates Black Seeded varieties 
Cabbage-Heading Varieties 
WOODRUFF’S A-36 (WS) 86 days 
The plants are medium to large diameter, with a large 
frame and short stem. Wrapper leaves protect the head 
from the sun, the foliage is very dark green, the leaves large 
with finely divided wavy edges and very refined blisters, 
lacking the coarseness of Great Lakes and others. The heads 
are about 61/4 inches wide by 6 inches deep, the outer leaves 
firmly attached in a way that reduces wrapper loss when 
cutting and trimming. The head is very solid, the interior well 
blanched with a medium size core. It makes a good long 
distance shipper. Heads remain marketable long and do not 
burst nor develop brown midrib as does Great Lakes under 
adverse conditions. A field can be cut clean in two cuttings. 
NEW YORK NO. 12 (WS) 78-81 days 
An early, sure heading strain of the popular New York 
Lettuce. More adapted to summer weather than the original 
strain. It forms somewhat flat, exposed heads with rather 
light green thin leaves. 
IMPERIAL NO. 44 (WS) 80-83 days 
This is a type of Iceberg Lettuce developed by the U. S. 
Department of Agriculture that seems to be very adaptable 
to the eastern climate and soil. It makes heads better than 
most strains and shows marked resistance to tip burn. 
The heads are solid and of fine quality. 
24 
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IMPERIAL NO. 847 (BS) 
83-86 days 
A medium large, hard heading 
variety that does quite well in hot 
weather and is resistant to tip 
burn. It produces heads of good 
size and solidity where other 
strains fail. It is a little later than 
Imperial 44 and has larger heads. 
PENNLAKE (WS) 
\ALEAMERICA (8 [SELECTION 
Bronze Medal 1948 
Developed at Pennsylvania 
State College, this variety is slow 
bolting, dark green, uniform, sub- 
ject to some tip burn. The heads 
are globe shape, 5 by 5 inches, 
crisp and very solid. 
82 days 
IMPERIAL NO. 456 (WS) 
80-82 days 
Originally developed for use in 
New York state by those who wish 
to grow head lettuce in the sum- 
mer months, it withstands heat bet- 
ter than Imperial No. 44 and is resistant to tip burn. 
PREMIER GREAT LAKES (WS) 
Bronze Medal 1948 
Another development by Pennsylvania State College, this 
new variety has large heads which are uniform, compact, 
and slow bolting, with dark green leaves which are folded 
well over the top to give a high percentage of perfect 
heads. 
74 days 
LAKE SUPERIOR (New) 74 days 
A line-bred strain of Great Lakes produced from an 
outstanding single plant selection. 
Plants moderately large with over-all spread of 16 to 18 
inches. Heads are usually spiral or conical shape before full 
development, but fully rounded at maturity. 5-6 inches in 
diameter but often larger and unusually solid. Color bright 
apple green. Heads are well covered affording good re- 
sistance to hot sunlight. Matures in season with Premier 
Great Lakes, and 5-6 days earlier than Woodruff’s A-36. 
GREAT LAKES (WS) 
Bronze Medal 1944 
A U.S.D.A. and Michigan State College development of 
the New York-lmperial type, that will really stand up and 
produce hard heads in hot weather. The heads are large, 
attractive deep green, of good size, with thick, crisp leaves. 
Remains in condition long after forming the head. Resistant 
to tip burn, and unsurpassed for upland use. 
85-88 days 
