Stout & Boas: STATISTICAL STUDIES IN CICHORIUM 395 
immediately lateral to it. Thus in PLATE 13 the heads marked a 
in each case bloom before the one (6) lateral to it with branches 
A, 1-3; however, a blooms first, but the next to bloom is b, the ter- 
minal of the most basal cluster rather than c, which is immediately 
below the head a. The same general behavior holds for such cases 
of reduced branching as are shown in C and D of PLATE I3. 
B. Statistical studies regarding position. 
A complete study of the flower number per head according to 
position of terminals and laterals for all parts of the plant would 
involve a series of numbering from all apices to base in succession 
for all branches. For plants of the simplest branching even, this 
would be a very involved study. However, some clue to the 
relationship between position, time of blooming, and flower num- 
ber can be gained by a comparison of terminals with heads that 
are immediately lateral to them. Such data may be obtained 
without discrimination between various branches, or they can be 
obtained separately for each of the main lateral branches. 
Data from the intensive study last mentioned above have been 
obtained from five plants. The flowers of the heads were counted 
and the data recorded with respect to position on the various 
branches. All heads were counted with the exception of those 
that opened on Sundays or on days of heavy rainfall so that the 
data are nearly complete for all flower heads. 
The behavior of one of these plants is recorded in TABLE 24. 
The data were collected in 1915 from an F; plant of wild white X 
Barbe de Capucin,{(A X Es) no. 4}, which was then three years 
old. The data are given for the unbranched portion of the termi- 
nal axis and for the various successive lateral branches. The 
numbers in Roman are averages for terminal heads, either solitary 
or іп a cluster, and the numbers in italics are for laterals, the 
averages being computed for each day. The daily averages for 
terminals and laterals are given for all branches. In quite the 
same manner the performance of another plant, an F; of the cross 
wild white-flowered X Barbe de Capucin {(A X Ex) -9-4- 0. 
14] in the first year of bloom is presented in TABLE 25. : 
We may first consider the comparison of relative numbers and 
values ior terminals and laterals as such as to time of development. 
For the plant reported in TABLE 24, no laterals opened during the 
