Matsui, T. 1981. (in Japanese, English summary). Studies on the utilization of Pawpaw seeds as a source of seed oil. Bul. Faculty of Agriculture, Meiji Univ. 52:43-53.

Matthews, R., P. Pehrson, and M. Farhat-Sabet. 1987. Sugar content of selected foods, individual and total sugars. USDA, Home Econ. Res. Rep. No. 48.

McDaniel, J. C. 1958. Aids to early fruitfulness in persimmon and pawpaw. No. Nut Growers Assoc. Ann. Report 49:68-72.

McDaniel, J. C. 1970. Self-fruitful Papaws – some breeding possibilities. No. Nut Growers Assoc. Ann. Report 61:103-106.

McKay, J. W. 1975. Variation in Papaw. No. Nut Growers Assoc. Ann. Report 66:53-55.

Meijer, W. 1974. Podophyllum peltatum – may apple, a potential new cash-crop plant of eastern North America. Econ. Bot. 28:68-72.

Millspaugh, C. F. 1887. American Medicinal Plants; an illustrated and descriptive guide to the American plants used as homeopathic remedies: their history, preparation, chemistry, and physiological effects. Vol. 1. New York: Boericke and Tafel.

Mohana Rao, P. R. 1982. Seed and fruit anatomy in Asimina triloba, with a discussion on the affinities of Annonaceae. Bot. Jahrb. Syst. 103(1):47-57.

Norman, E. M. and D. Clayton. 1986. Reproductive biology of two Florida pawpaws: Asimina obovata and A. pygmaea (Annonaceae). Bul. Torrey Bot. Club 113:16-22.

Ourecky, D. K. and G.L. Slate. 1975. Evaluation system for Papaw fruit. No. Nut Growers Assoc. Ann. Report 65:57-58.

Pammel, L. H. 1903. Ecology. Carroll, Iowa: Hungerford.

Pape, E. 1965. The Pawpaw. No. Nut Growers Assoc. Ann. Report 56:103-106.

Peterson, R. N., J. P. Cherry, and J. G. Simmons. 1982. Composition of Pawpaw (Asimina triloba) fruit. No. Nut Growers Assoc. Ann. Report 73:97-107.

Peterson, R. N. 1982. A national Pawpaw germplasm collection. Pomona, N. Amer. Fruit Explorers Quart. 15(3):155-158.

Peterson, R. N. 1986. Research on the Pawpaw (Asimina triloba) at the University of Maryland. No. Nut Growers Assoc. Ann. Report 77:73-78.

Peterson, R. N. 1989. A Pawpawer's guide to the universe. Pomona, N. Amer. Fruit Explorers Quart. 22(1):63-65.

Pickering, C. 1879. P. 881. In: Chronological History of plants. Boston: Little, Brown, and Co.

Rindos, D. 1984. The Origins of Agriculture: an Evolutionary perspective. New York: Academic Press.

Robinson, W. S. 1974. The Paw Paw in northern Mississippi. Calif. Rare Fruit Growers Yearbook 6:200.

Rupprecht, J.K., C. Chang, J.M. Cassady, J.L. McLaughlin, K.L. Mikolajczak and D. Weisleider, 1986. Asimicin, a new cytotoxic and resticidal acetogenin from the Pawpaw, Asimina triloba (Annonaceae) Heterocycles 24:1197-1201.

Sargent, C. S. 1890. Silva of North America. New York: Houghton Mifflin Co.

Small, J. K. 1933. Manual of the Southeastern Flora. Reprint. Chapel Hill, NC: Univ. of N. Carolina Press.

Swartz, H. J. and S. E. Gray. 1982. Annual chill unit accumulation in the U.S. Fruit Varieties J. 36:80-83.

In akur, D. K. and K. N. Singh. 1965. Studies on pollen morphology, pollination and fruit set in some Annonas. Indian J. of Hort. 22:10-18.

Thomson, P. H. 1974. The Paw Paw – brought up to date. Calif. Rare Fruit Growers Yearbook 6:138-180.

599