! 



i 



14 



BULLETIN 2^3, V. S. DEPARTMENT OP AGRICULTURE. 



The heading provides for entering the tree to be studied, locality, 

 garden, row and tree numbers, and date, below which the sheet is 

 ruled in horizontal lines for noting the angles of the different classes 

 of pinnas: A (antrorse), I (introrse), R (retrorse). Above the lines, 

 ax indicates that the axial divergences of the pinna? — that is, the 

 angles by which they diverge to the right or left from the rachis — are 

 to be recorded. 



Below the lines, p uidicates the angles of divergence from the plane 

 that would be formed by a perfectly flat blade. Below these a line 

 provides for the record of the ''Length of pinnae^' above the line and the 

 corresponding breadths below, the breadth being noted at the broad- 

 est part, the pinnae blade being unfolded and spread flat. 



r 



Form A. — Date variety, , -S'. P. I. No , row .., tree .., . - garden. 



[Notes taken ,191... Angles of piimse with planes of rachis. Distance in feet from base of blade.) 



Antrorse, ax 



] 



f 



1 



I Z 4 I 



1 



> i 



i> 1 



7 



8 



9 10 11 12 



Introrse, ax 





1 



1 

 1 



^ 











J 









Retrorse, ax 













^- ■■ .■ . 









i 







Length of 

 pinnae 



1 

 1 



] 



1 



i 

 1 



1 

 1 



i 



• 









1 

 1 







Breadth " 



1 



1 



1 





* 



1 







1 



1 

 1 



1 

 1 







t 



■i 

 i 



i 



/ 



/ 



J 



i 



\ 



( 



Groups 



Remarks 



*■* 



The vertical ruling in form A provides spaces for entries for each 



foot of blade length from below the first spines to the apex. 



carried to the ruled spaces below. 



has 



The length of the spine area and the total blade length are indi 



cated at the same tune. An 



readings 



many 



3lade only, will record the 

 three leaves each from as 



rs of ft j/iven varietv. For 



K 



T 



t 



varieties of paramount importance, such as Deglet Noor, Thoory, 

 Hayany, and a few more, of course a greater number of records are 

 desirable. 



y- 



