GREAT CROPS OF STRAWBERRIES AND HOW TO GROW THEM 
Copyright 1914, by R. M. Kellogg Co., Three Rivers, Slich. 
Bisexual Flower 
Pistillate Flower 
SEX IN PLANT LIFE GRAPHICALLY PRESENTED 
'pHESE illustrations show the difterence in sex life of the Bisexual and Pistillate varieties. Bisexual simply 
means two sexes, or in other words, it slsnifles that both sexes are present In the Bisexual plants Note 
that the Bisexual blossom (on the left) not only has well-developed pistils, but al.so has anthers surrounding 
the pistils, or center of the blossoms. These anthers hold pollen, a flour-like substance, that contains the 
reproductive germ.s. When the anther bursts, pollen is carried over the Held or patch by the wind and the 
pistils of both Bisexual and Pistillate are fertilized, or poUenlzed. which causes the plants to bring forth 
fruit. The Pistillate blos.som (on the right) has pistils only, and Pistillate varieties will yield a compara- 
tively small amount of fruit unless fertilized by a Bi.'^exual variety. Throughout our book we refer to the 
Bisexual as (B) and the Pistillate as (P). Always mate a Pistillate with a Bisexual it you would win success. 
bloom with its anthers bursting when the first 
flowers of Warfield are opening. The Senator 
Dunlap will be in full bloom while Warfield's 
later flowers are receptive. Soon after the 
pistillate flower opens, its pistils or stigmas 
become receptive, and should there be no pol- 
len for the pistillate flowers at that time there 
could be no fruit, and in case only the pistils 
on one side of the pistil cone would receive 
pollen it would make a one-sided berry. Lack 
of proper poUenation is the cause of knotty 
fruit. It also causes hard, green, undeveloped 
ends to form on the berries. 
Mating Kellogg Varieties 
HEREWITH we present in simple form a 
method of mating all plants grown by this 
company. The pistillates are arranged, as will 
be seen, in center columns, and the bisexuals 
that will pollenize the pistillates occupy the 
outside columns. If you, for instance, select 
Haverland, you may be perfectly sure that any 
bisexual of the mid-season will pollenize that 
great pistillate; and the same is true of the 
lower table. In the case of the ever-bearers. 
Productive is a pistillate. Any of the other 
ever-bearers will perfectly pollenize Productive. 
Bisexuals 
Excelsior 
August Luther 
Karly Ozark 
St. Louis 
Michel's Early 
Climax 
Texas 
Lonerfellow 
Heritage 
Lovett 
Bederwoofl 
Tenn. Prolific 
Wolverton 
Staples 
.Tesse 
Warren 
Blsezuals 
Helen Davis 
Senator Dunlap 
Wm. Belt 
Parsons' Beauty 
Clyde 
King Edward 
Pearl 
New York 
Goodell 
Pistillates 
(of the earlier 
varieties) 
Virginia 
Crescent 
Wai-field 
Haverland 
Hiffhland 
Downing's 
Bride 
PlstUlates 
Cof the later 
varieties) 
Buster 
Enormous 
Bubach 
Sample 
Fendall 
Cardinal 
Kellogg's Prize 
Blsesuals 
Premier 
Senator Dunlap 
Wm. Belt 
Splendid 
Clyde 
Klondike 
Nick Ohmer 
New Yoric 
Lady Thomp.soii 
Parsons' Beauty 
.Tocunda 
Sharpless 
Ohio Boy 
King Edward 
Missionary 
Bisexuals 
Aroma 
Pride of Mich. 
Brandywine 
Marshall 
Chesapeake 
.S. Late Champ 
Dornan 
Commonwealth 
.loe .Johnson 
The Mating of Bisexuals 
IT would seem unnecessary to pay any attei • 
tion to the mating of bisexual varieties, in- 
asmuch as they produce flowers which develop 
both anthers and pistils, but we know from 
Page Twenty-six 
