20 BULLETIN 1282, U. S. DEPARTMENT OF AGRICULTURE 
E. Stem sear at right angles to the axis or slightly sloping either ventrally or dorsally— 
Continued. 
II. Wing medium in prominence—Continued. 
3. Nuts medium in length. 
(3) Nuts medium in plumpness. 
a. Ventral edge of nuts grooved, kernel thin and large (11). 
b. Ventral edge snrooth. 
(6) Kernel plump, apex of nut tapering and ending in a very long, 
recurved, pointed wing. (This variety is found only very occa- 
sionally (62).) 
(c) Kernel medium in plumpness. 
§ Base of kernel usually truncate, dorsal shoulder square (24). . 
§§ Base of kernel round, not truneate, and dorsal shoulder 
curved, not square. 
* Many double kernels (7). 
** Hew double kernels. 
7 Kernels large, very pubescent, pits in shell very 
numerous and irregular, base of nut with numer- 
ous fine short grooves, extreme apex of nut when 
viewed dorsally thick and slightly truncate with- 
out the wing showing (14). 
77 Kernels only moderately pubescent, pits moder- 
ately numerous, base of nut without numerous 
short grooves, point of wing showing at apex. 
= Surface of shell between pits usually smooth, 
> shell dark in color. Kernel rather long, and 
apex of kernel not distinctly cuneiform (65). 
<x Surface of shell between pits usually stip- 
pled. Shell medium brown in color, kernel 
moderately short with apex distinctly cunei- 
form (30). 
III. Wing not prominent. 
3. Nuts medium in length. 
(3) Nuts medium jin width. 
a. Nuts ridged on ventral edge, kernel thin (37). 
b. Nuts smooth on ventral edge. 
(a) Kernels thin (138). 
(b) Kernels plump or at least medium in plumpness. 
§ Dorsal shoulder square and humped (51). 
§§ Dorsal shoulder round and _ sloping, not square and 
humped (12). 
V. Wing medium in prominence to prominent. 
3. Nuts medium in length. 
(3) Nuts medium in thickness. 
a. Nuts with ventral edge ridged (61). 
b. Nuts with ventral edge smooth (69). 
KF. Stem scar sloping ventrally. 
I. Wing very prominent. 
1. Nuts very long. 
(3) Nuts medium in plumpness, kernel only lightly pubescent (45). 
5. Nuts medium in length. 
(2) Nuts plump, kernel very pubescent (21). 
Il. Wing medium in prominence. 
1. Nuts long. 
(2) Nuts plump. 
a. Ventral edge of nut ridged. 
§$§ Kernel plump (15). 
38. Nuts medium in length. 
(38) Nuts medium in thickness. 
b. Nuts with ventral edge smooth. 
§ Kernel thin (381). | 
COMMERCIAL ALMONDS GROWN IN THE UNITED STATES 
1. ALMENDRO DE LA P. 
Origin.—Introduced in 1912, from Granada, Spain, through Peter Giraud, by 
Walter T. Swingle, of the United States Department of Agriculture. Dis- 
tributed from the United States Plant Introduction Garden at Chico to a few 
places in California. 
Description 
TREE 
Upright (ratio of width of head to height, 1:1.2). Quite vigorous. Trunk 
stocky ; bark moderately rough, exfoliates in thin small patches. 
Main branches.—Upright, rather stocky, quite long. Branching angle acute. 
Wood with many knots. Bark cinnamon brown, often striated on young 
branches; exfoliates in thin flakes. 
Tuigs.—Medium in length, moderately stocky. Branching angle acute. 
Nodes medium to large. Internodes medium in length (4 to 14 inches). Bark 
dull green, spotted with brown in autumn. 

