Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 55. Colura Karsteni. Dia-grammatic longitudinal sectionthrough tlie saccate leaf at rightangles to the closing valve. A, valve ;W, the frame upon which the valvelies. The valve has a joint belowand can only open inwards in thedirection to which the arrow points. Fig. 56. I and 4, Physiotium giganteum. 2, 3, and 5, Physiotiumcochleariforme. i, stem seen from below. Through the water-sacs thedepressions in which the apertuies of entrance lie are visible. 2. stem-apex from abo\ e ; two young water-sacs visible. 3, youn
Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 55. Colura Karsteni. Dia-grammatic longitudinal sectionthrough tlie saccate leaf at rightangles to the closing valve. A, valve ;W, the frame upon which the valvelies. The valve has a joint belowand can only open inwards in thedirection to which the arrow points. Fig. 56. I and 4, Physiotium giganteum. 2, 3, and 5, Physiotiumcochleariforme. i, stem seen from below. Through the water-sacs thedepressions in which the apertuies of entrance lie are visible. 2. stem-apex from abo\ e ; two young water-sacs visible. 3, young water-sacseen from in front; O, upper lobe of the leaf ; AI, upper part of theunder lobe. 4, water-sac in section through the middle. 5, longitudinalsection through the point of origin of the valve. The hinge is indicatedby smaller cells. Physiotium. The remarkable configuration of the leaves of Physiotiumnext require notice. Physiotium is a genus inhabiting cool moist hill-regions in various parts of the tropics. In Europe only one species, This is true probably of
Size: 1427px × 1751px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookido, booksubjectplantanatomy
