. Collected papers on tropical fruits in California. 4 Pomona College: Journal o^ Economic Botany TYPDS GROWN IN CALII^ORNIA Broadly speaking, the avocados which have fruited here so far may be divided into two classes; those of Mexican origin, which include all the smooth and thin skinned varieties, and those of Guatemalan origin, which are easily distinguished by their very thick skins and rough exterior. This is not saying, of course, that all avocados can be divided into these two Figure 1. At left the parent tree of the Blake Avocado, growing at Pasadena, age eight years; this t
. Collected papers on tropical fruits in California. 4 Pomona College: Journal o^ Economic Botany TYPDS GROWN IN CALII^ORNIA Broadly speaking, the avocados which have fruited here so far may be divided into two classes; those of Mexican origin, which include all the smooth and thin skinned varieties, and those of Guatemalan origin, which are easily distinguished by their very thick skins and rough exterior. This is not saying, of course, that all avocados can be divided into these two Figure 1. At left the parent tree of the Blake Avocado, growing at Pasadena, age eight years; this tree would be of good form if topped. At right, parent tree of the Walker Avocado growing at Hollywood, age fourteen years, the tree showing a very had form for a cultivated Avocado. Of the Mexican type many trees may be found scattered all over the southern end of the state, most of which have been grown from seed ob- tained from Monterey and other points in northern Mexico. The famous Chappelow tree is the oldest and best known of the lot. Most of produce fruits of small size, dark purple in color, bi lc control Niomber ^re preferred by many to the large green. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Popenoe, Wilson, 1892-1975. [S. l. : s. n. ]
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