VARIETAL DESCRIPTIONS OF VEGETABLES 4 KEYSTONE SEEDS 
SWEET CORN 
Prin- Tele- 
WHITE HYBRIDS—Continued cipal graph 
Uses Code 
IOGENT I1 (a Country Gentlemen Hybrid) MC CHRAB 
Developed by Dr. E. S. Haber, lowa State College, this hybrid has kernels which 
produce high percentage of cut corn per ton. Adapts itself well for mechanical 
picking. 
STALKS—8 feet tall, stout, sturdy, very few tillers. 
EARS —8!/, inches long, slightly tapered, generally 2 ears per stalk. 
KERNEL—Deep, narrow, typical shoe-peg type, white, of fine quality. 
IOGREEN 16 MC CHREP 
A new hybrid by lowa State College, of the Narrow Grain Evergreen type. It has 
attractive large uniform ears and is highly productive. Hybrids of this type do well 
in areas where high production of small kernel corn is essential. Their ability to 
perform under adverse conditions is a factor that deserves consideration. 
STALKS—8 feet tall, stout, vigorous, I-2 ears per stalk. 
EARS —9 inches long (large sized), almost cylindrical, 16-22 rowed. 
KERNEL—Deep, narrow, white, of fine quality. 
IOGREEN 56 MC CHRIA 
Another Narrow Grain Evergreen type hybrid developed by lowa State College with 
kernels of almost shoe-peg type. It produces a high ratio of cut corn per ton. 
STALKS—8!/, inches long (large sized), slightly tapered, 18-26 rowed. 
KERNEL—Very deep and narrow, white. 
KEYSTONE EVERGREEN HYBRID HMCF CHMON 
This Stowell's Evergreen type hybrid is the finest we have ever seen and the answer to 
the demand for a hybrid to take the place of regular Stowell’s Evergreen. It is 
outstanding for its productiveness, drouth resistance and uniform strong vigorous growth. 
Excellent for market, canning, home garden, quick freeze pack. 
STALKS —8 feet tall, stout, resistant to lodging, good foliage, hardy, 2 ears per stalk. 
EARS —8!/, inches long, 14 to 18 rowed, slightly tapered, well filled to tip, tight 
numerous husks resists ear worm. 
KERNEL—Large, white, good depth and fine quality. Seed white, wrinkled. 
NARROW GRAIN EVERGREEN Ill. 14x13 HMC CHMIR 
This hybrid, originated by Prof. Huelsen of the University of Illinois, is now used in 
large quantities by canners and market gardeners. It is one of the most dependable 
and productive hybrids that can be grown and has wide adaptation. 
STALKS —8 feet tall, strong, sturdy, vigorous grower, and two large ears per stalk. 
Medium heavy dark green foliage. 
EARS  —8 inches tong, 14 to 18 rows, large white, good heavy husk, deep kernels 
and well filled, slightly tapered to tip. 
KERNEL—Deep, medium breadth, of good quality and flavor. Seed white, wrinkled. 
NARROW GRAIN EVERGREEN Ill. 14x11 C CUMSO 
Another hybrid originated by Prof Huelsen for canning. A more narrow grain type 
than 14x13 and is an exceptionally heavy yielder, combined with high quality and 
hardiness. Has been quickly accepted by the canning trade and is now used in sub- 
stantial quantities. 
STALKS —8 feet tall, moderately heavy foliage, whip-like reddish tassel, sturdy and 
hardy grower. 
EARS —8 Wee long, 18 to 20 rowed, large, slightly tapered at tip, remarkably 
uniform. 
KERNEL—Deep white, narrow, tender, and of good quality. Seed white and wrinkled. 
OPEN-POLLINATED WHITE VARIETIES 
BLACK MEXICAN H CHEEK 
An old variety, known for its sweet and delicious flavor. Remains tender for a long 
period. 
STALKS —5!/, to 6!/2 feet tall, leaves pale green, medium amount of foliage. 
EARS  —7 to 8 inches long, 8 rowed, often 2 per stalk. 
KERNEL—Not deep; white when young, changing to bluish black in later stage. Dey 
seed, deep bluish black. 
Season. 
Days to 
Edible 
Stage 
92 
89 
89 
86 
86 
86 
83 
