4 Types of Infiorescence and Fruits in Tomato 



Fruit. 



The fruit is round and many-celled (plurilocular), but there is 

 considerable v.iriation in both these characters. Occasional fruits have 

 only two cells, and are then inclined to be conical in shape. Some have 

 three cells, and then are mostly of a spherical shape. The fruits with 

 the greater number of cells are more flattened in shape than those with 

 less. This association of shape with the number of loculi is very 

 marked in some types of tomatoes, and it is discussed later in this 

 paper. 



Sixteen F^ j)lants were grown, and they were very uniform ; the 

 simple type of inflorescence behaved as a complete dominant, as also 

 did the characters of the J" parent, namely the internodal position of 

 the inflorescences and the occurrence of only three nodes between them, 

 but, as will be shown later, these various characters are in reality 

 expressions of one structural peculiarity. In flfteen plants these 

 characters were quite constant, and only one exception occurred in the 

 remaining plant. 



FruiL 



The plants matured abt)ut fifty fruits each ; they were uniformly 

 conical' in shape (Fig. 2). It should however be noted that although 

 conical-shape is uniformly dominant it is not completely so, as occasional 

 fruits, about five per cent., were round. 



The fruits were predominantly bilocular-, but occasional fruits (those 

 which were round) were three and a few four-celled. 



103 F„ plants were grown. 84 were the simple type of inflorescence 

 and 19 comj)ound type. The recessive numbers are low, but I do not 

 think the deficiency is of any significance. 



53 of the above plants were grown in 1913 ; 41 of them were simple 

 and 12 compound, a fairly close approximation to a 3 : 1 ratio. 



50 were gi-own in the following year; 43 were simple and only 

 7 compound. 



' Salaman (3) found certain differences in the shape of the berries of potatoes to be due 

 to a single pair of factors, and that the dominant form was heart-shaped. Round x long 

 gave a heart-shape Fy. 



- Messrs Price and Drinkard(2), found that the bilocular character behaves as a 

 simple dominant to the plurilocular type, but I think the plurilocular type used by them 

 was not that of Lister's Prolific, but the ab type in family -}%. 



