. A textbook of botany for colleges and universities ... Botany. 22!: MORPHOLOGY (7) Gnetales General character. —-This group comprises three very distinct genera: Ephedra, with about fifty species distributed throughout the arid regions of the Mediterranean basin and adjacent Asia, and also in the arid regions. Figs. 511-516.—-Ephedra: 511, branches bearing ovulate strobili; 512, branches bearing staminate strobili; 513, staminate strobiliLS, showing staminate "flowers" in axils of bracts; 514, ovulate strobilus; 515, an ovulate "flower"; 516, decussating bracts of the ovu
. A textbook of botany for colleges and universities ... Botany. 22!: MORPHOLOGY (7) Gnetales General character. —-This group comprises three very distinct genera: Ephedra, with about fifty species distributed throughout the arid regions of the Mediterranean basin and adjacent Asia, and also in the arid regions. Figs. 511-516.—-Ephedra: 511, branches bearing ovulate strobili; 512, branches bearing staminate strobili; 513, staminate strobiliLS, showing staminate "flowers" in axils of bracts; 514, ovulate strobilus; 515, an ovulate "flower"; 516, decussating bracts of the ovulate strobilus. — After Watson. of western North America and South America; Tuinhoa (often called Welwitschia), represented by a single species in the arid districts of western South Africa; and Gneiiim, with about fifteen species distrib-. 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 Coulter, John Merle, 1851-1928; Barnes, Charles Reid, 1858-1910, joint author; Cowles, Henry Chandler, 1869- joint author. New York, Cincinnati [etc] American book company
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