Botany / Carl L. Wilson [and] Walter E. Loomis. With line drawings by Hannah T. Croasdale. Wilson, Carl L. (Carl Louis), 1897- Loomis, Walter E. (Walter Earl), 1898- Botany. QK47 .W726 1967 581 WIB Includes index. New York : Holt, Rinehart and Winston, [1967. [1967. 1967 Text xii, 626 p. : eng