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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 6 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 
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 solid- 
ity where other strains 
fail. It is a little later 
than Imperial 44 and 
has larger heads. 
PENNLAKE (WS) 
\ALL-AMERICAT AS) SELECTION 
82 days 
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. 
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 summer months, it 
withstands heat better 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 
PROGRESS (WS) 80 days 
A recent introduction by U.S.D.A. The heads are of high 
quality, crisp, dark green, thick leaved and heavily savoyed, 
resistant to tip burn. 
GREAT LAKES (WS) 
Bronze Medal 1944 
A U.S.D.A. and Michigan State College development of 
the New York-Imperial 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 
