. Contributions from the Osborn Botanical Laboratory. Plants. American Species of Marchantia. 305 the species a delicate pellucid thallus with indistinct areolae but with large pores, the thallus in M. chenopoda being thick and. Fig. 19. Marchantia chenopoda L. Epidermal structures of thallus, x 225. A, B. Pores, surface view. C-G. Pores, cross-section. H-K. Pores, inner view. L. blime cell, cross-section. A, C, H-J. Guatemala, Cook & Griggs 83. B, D, E, K, L. Jamaica, JV. R. Maxon 405. F, G. Peru, Cook & Gilbert 755. opaque with distinct areolae and small pores. He states further that


. Contributions from the Osborn Botanical Laboratory. Plants. American Species of Marchantia. 305 the species a delicate pellucid thallus with indistinct areolae but with large pores, the thallus in M. chenopoda being thick and. Fig. 19. Marchantia chenopoda L. Epidermal structures of thallus, x 225. A, B. Pores, surface view. C-G. Pores, cross-section. H-K. Pores, inner view. L. blime cell, cross-section. A, C, H-J. Guatemala, Cook & Griggs 83. B, D, E, K, L. Jamaica, JV. R. Maxon 405. F, G. Peru, Cook & Gilbert 755. opaque with distinct areolae and small pores. He states further that the female receptacles are depressed-semi globose, excentric and almost entire, the five lobes present being very- short, thick,. 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 Osborn Botanical Laboratory. [New Haven?] Osborn Botanical Laboratory, Yale University


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