[9] "If we exclude the abacá plant (Musa textilis Née) and the various trees yielding timbers, gums, and resins, a few palms, some bamboos, the rattans, etc., it will be found that practically all the species now found in the Archipelago that are of the greatest importance in the economy of the native, whether for food, for condiments, for clothing, for dyes, for ornamental purposes, and very many for medicinal purposes, have originated outside of the Philippines, and have purposely been introduced at one time or another." (The Flora of Manila, E. D. Merrill, Ibid.) [10] Sucesos de las Islas Filipinos, Antonio de Morga, Chap. 8. In Blair and Robertson Vol. 16, p. 87. "Instead of olives and other pickled fruit, they have a green fruit, like walnuts, which they call "paos." (Pahó.) Some are small, and others larger in size, and when prepared they have a pleasant taste. They also preserve "charas" in pickle brine, and all sorts of vegetables and greens, which are very appetizing. There is much ginger, and it is eaten green, pickled, and preserved." (Ibid. p. 97). [11] Merrill: Flora of Manila. [12] However, both Dr. Tavera (Census of the Philippine Islands, Vol. I, p. 329), and Montero y Vidal (Historia General de Filipinas, Vol. I, p. 66.), state that the sweet potato was being cultivated here at the time of the conquest. Pigafetta also mentions it in his account. [13] The American element in the Philippine flora is of peculiar interest as showing the effect of commerce on the vegetation of a country. Even with the limited communication between the Philippines and Mexico, it is surprising to consider the number of American forms introduced here through the medium of the galleons in the years when all communication between Spain and the Philippines was via Mexico. From the time of the Spanish conquest up to the year 1815, a period of nearly 300 years, the government galleons sailed annually for Manila, first from Navidad and later from Acapulco, on the western coast of Mexico. These galleons carried not only the civil, military, and ecclesiastical authorities between Spain and the Philippines via Mexico, but also other travellers, merchants, etc., as well as large quantities of merchandise.