

THE ROCKY MOUNTAIN SEED CO. -:- DENVER, COLO. 15 
Lettuce —(Continued) 

Great Lakes 
NEW YORK or WONDERFUL—Commonly ealled 
Iceberg by the produce trade. A large curled head- 
ing lettuce, with dark green leaves. Heads are well 
blanched, sweet, tender, crisp and of excellent 
quality. 
Postpaid (Pkt. 10c) (Oz 35c) (%4 Ib. $1.00) 
(ib. $3.40). 
NEW YORK No. 12—A widely used strain of New 
York, well adapted to mid-season maturity, as it 
stands heat well. Plant and head lighter green 
than New York, with fewer outer leaves, several 
days earlier; large, compact and attractive. 
Postpaid (Pkt. 10c) (Oz 35ce) (%4 Ib. 
(ib. $3.40). 
NEW YORK No. 55—Al11 American Selection for 1942, 
introduced by Pieters- Wheeler. Probably the 
earliest maturing New York type in existence. 
Good base, hard heading, crisp, of the highest 
quality with considerable resistance to tip-burn. 
Heads well in summer and early fall. 
Postpaid (Pkt. 10c) (Oz 35c) (%4 Ib. $1.00) 
(ib. $3.40). ‘ 
NEW YORK No. 515—A Pieters-Wheeler introduc- 
tion, bred as a summer variety to resist tip-burn. 
A cross between Iceberg and New York, resembling 
No. 12; has a better fold, is more sure heading and 
more resistant to tip-burn. 
Postpaid (PKt. 10c) (Oz. 
(ib. $3.40). 
NEW YORK No. 199—An improved strain, larger, 
darker green and has a better base structure. An 
ideal summer lettuce. 
Postpaid (Pkt. 10c) ' (Qz. 
(Ub. $3.40). 
TRIPLE XXX—The best of the No. 515 types, highly 
resistant to tip-burn. 
Postpaid (Pkt. 10c) 
(Ib. $3.40). 
IMPROVED HANSON—Large, compact head with 
yellowish-green leaves, curly with fringed edge. 
Good for mid-summer planting. 
Postpaid (Pkt. 10c) (Oz 25c) (% 
(ib. $2.10). 
PARIS WHITH COS or ROMAINE—Large size, and 
medium green, compact head, well blanched. For 
home and market, and well adapted for green- 
house use. 
Postpaid 
(ib. $2.10). 
ROHCO—A new introduction of the Imperial type, 
a selection from Imperial 615. It will produce more 
marketable heads of highest quality and earlier 
than Imp. 615. Does well in cool weather, with- 
stands frost and cold better than other Imperial 
varieties. 
Postpaid 
(ib. $3.40). 
$1.00) 
35e) (%4 Ib. $1.00) 
35sec) (4% Ib. $1.00) 
(Oz. 35e) (%4 Ib. $1.00) 
Ib. 75e) 
(Pkt. 10c) (Oz. 25¢e) (% Ib. 75c) 
(Pkt. 10c) (Oz. 35c) (% Ib. $1.00) 
GREAT LAKES—Bronze Medal award for 1944. This 
is of the Imperial type which is so largely used 
by truck gardeners. What chiefly distinguishes 
Great Lakes from other varieties of the Imperial 
type is its increased resistance to tip-burn injury 
and greater ability to produce solid heads under 
adverse conditions. The leaves are large, relatively 
thick, folding well over the head so that when 
unwrapped. they give large pieces desirable for 
salads. 
Postpaid (Pkt. 25c) (Oz. 50c) (%4 Ib. $1.75) (Ib. 
$6.50.) 
IMPERIAL No. S847—Resistant to brown blight. 
Heads hard and fine. Best for early spring and 
late fall crop. Black seed. 
Postpaid (Pkt. 10c) (Oz. 
(ib. $3.40). 
35c) (%4 Ib. $1.00) 
IMPERIAL No. 815—Black Seeded identical with No. 
847, for which see description. 
Postpaid (Pkt. 10c) (Oz 35c) (% Ib. 
(1b. $3.40). 
$1.00) 
IMPERIAL No. 456—A new variety developed by the 
U.S.D.A. and Cornell Experiment Station. Matures 
hard, large heads in mid-summer and will not 
burn in the hottest weather. Leaves grass-green 
color, brittle foliage, prominent mid-ribs. An ex- 
cellent market garden and shipping variety. Seed 
white. 
Postpaid (PKt. 25c) (Oz. 0c) (% Ib. $1.75) (Ib. 
$6.50.) 
IMPERIAL No. 615—Bred from Imperial No. 152 but 
somewhat later; resistant to brown blight; does 
not develop suckers. Heads medium large, solid 
and firm. Best for fall crop. 
Postpaid (Pkt. 10c) (Oz 35c) (% Ib. 
(1b. $3.40). 
$1.00) 
IMPERIAL No. 152—Resistant to brown blight, 
adapted for fall crop. Dependable in heading, 
heads medium large, solid and attractive. 
Postpaid (Pkt. 10c) (Oz. 35¢e) (% Ib. 
(ib. $3.40). 
$1.00) 
IMPERIAL No. 44—Is an Iceberg type and is su- 
perior to N. Y. Spécial. Outstanding in trials this 
past year. A large head, solid and crisp. Forms a 
larger percentage of marketable heads than other 
varieties. Seems to be quite resistant to tip-burn. 
You will be well pleased with Intperial No. 44, 
either on muck or upland soils. Stands the hot 
weather when others fail. 
Postpaid (Pkt. 10c) (Oz. 
(ib. $3.40). 
35e) (%4 Ib. $1.00) 
Leaf Lettuce 
EARLY CURLED SIMPSON or SILECIA—A fine 
home garden sort, with light green frilled leaves. 
Postpaid (PkKt. 10c) (Oz. 20c) (% Ib. 7Oe) 
(ib. $2.10). 
BLACK SEEDED SIMPSON—An early loose leaved 
type, with yellowish-green frilled leaves, 
Postpaid (Pkt. 10c) (Oz 20c) (% Ib. 
(ib. $2.10). 
7O0e) 
GRAND RAPIDS—One of the most popular sorts, for 
forcing or out-of-door use. Plants compact with 
light green frilled leaves. 'Tip-burn resistant. 
Postpaid (Pkt. 1060¢c) (Oz 25¢e) (%4 Tb. Tse) 
(ib. $2.35). 
PRIZEHEAD—An early, non-heading sort, leaves 
dark green edged with brown and highly frilled. 
Postpaid (Pkt. 10c) (Oz 25e) (44 |b. 75e) 
(1b. $2.35). 
OAKLEAF—An early dark green leaf lettuce, leaves 
are thick, smooth, but deeply lobed to resemble 
the leaf of an oak tree. 
Postpaid (Pkt.10c) Oz. 25c) (44 1b.75c) (Ib. $2.85). 
