"Macrospore" Quotes from Famous Books
... with a single macrosporangium at the base; the others, microsporangia, x 3. D, a scale and microsporangium, x 5. E, young microsporangium, x 150. The shaded cells are the spore mother cells. F, a young macrospore, x 150. G, section of the stem, x 50. H, a single fibro-vascular bundle, x 150. I, vertical section of the female prothallium of Selaginella, x 50. ar. archegonium. J, section of an open archegonium, x 300. o, the egg cell. K, microspore, with the contained male prothallium, x ...![](http://www.freetranslator.org/rquot.gif) — Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell |