. The essentials of botany. Botany. PHTCOPHTTA. 157 (Ji) White Rusts occur on many plants: one (Albugo Candida) on sliepherd's-purse, peppergrass, radish, etc.; another (A. bliti) on Amaranthus ; and another (A. portulacse) on purslane. For conidia make very thin cross-sections of leaves, through a white-rust spot, and mount as above. The resting-spores (vphich are dark brown) are easily obtained in the leaves of Amaranthus and purslane. Systematic Literature.—Wolle, Freshwater Algae of the United States, 146-154. Saccardo, Sylloge Fun^orum, 7'. Flora of Ne- braska, 1 : 53-60, pi. IS, 13, 15,


. The essentials of botany. Botany. PHTCOPHTTA. 157 (Ji) White Rusts occur on many plants: one (Albugo Candida) on sliepherd's-purse, peppergrass, radish, etc.; another (A. bliti) on Amaranthus ; and another (A. portulacse) on purslane. For conidia make very thin cross-sections of leaves, through a white-rust spot, and mount as above. The resting-spores (vphich are dark brown) are easily obtained in the leaves of Amaranthus and purslane. Systematic Literature.—Wolle, Freshwater Algae of the United States, 146-154. Saccardo, Sylloge Fun^orum, 7'. Flora of Ne- braska, 1 : 53-60, pi. IS, 13, 15, 16. Okdbr 6. ;. The Confekvas. 277. These are always multicellular, green plants, with the cells mostly arranged in simple or branched filaments, rarely arranged in a plate or membrane. ISTo species are hysterophytic. The gametes are equal and motile in the lower families, but in the higher ones they consist of antherozoids and fixed oospheres. 278. The Sea-lettuce (Ulva, Pig. 86, A), which is com-. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : Holt


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896