 ... surface it instantly curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read off on a graduated quadrant, and in this way a numerical indication of the condition of the stomata is obtained. The instrument...  Proceedings of the Royal Society of London - Page 420by Royal Society (Great Britain) - 1898Full view - About this book
 | Sir Norman Lockyer - 1898 - 684 pages
...stomatal surface it instantly curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read off on a graduated quadrant,...observing under the microscope the uninjured leaf of Caltkt pulttstris, and comparing the variations in the size of the stomata with the variations in the... | |
 | Sir Norman Lockyer - 1898 - 798 pages
...curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read on on a graduated quadrant, and in this way a numerical...observing under the microscope the uninjured leaf of Ca!ík¿ palustris, and comparing the variations in the size of the stomata with the variations in... | |
 | Royal Society (Great Britain) - 1898 - 570 pages
...' Practical Physiology of Plants,' 1st edition, 1894. § I also use the epidermis of a Yucca — a material which I owe to the kindness of Mr. Thiselton-Dyer....therefore by implication, changes in the condition of the stornata. By observing under the microscope the uninjured leaf of Caltha palustris, and comparing the... | |
 | 1898 - 920 pages
...storaatal surface, it instantly curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read off on a graduated quadrant,...therefore by implication, changes in the condition ot the stomata. By observing ander the microscope the uninjured leaf of Caltha palustris, and comparing... | |
 | Sir Norman Lockyer - 1898 - 692 pages
...stomatal surface it instantly curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read off on a graduated quadrant,...under the microscope the uninjured leaf of Caltha patustris, and comparing the variations in the size of the stomata with the variations in the readings... | |
 | Sir Norman Lockyer - 1898 - 932 pages
...stomalal surface it instantly curves strongly away from the transpiring surface. In the hygroscope the degree of curvature is read off on a graduated quadrant,...observing under the microscope the uninjured leaf of Callha palustris, and comparing the variations in the size of the stomata with the variations in the... | |
 | Sir Norman Lockyer - 1898 - 702 pages
...the degree of curvature is read -in on a graduated quadrant, and in this way a numerical indicator of the condition of the stomata is obtained. The instrument makes no claim to accuracy, but has provnl extremely useful when used comparatively to indicate and localue small changes in the transpiration... | |
| |
