. Plants and their uses; an introduction to botany. Botany; Botany, Economic. I I. Fig. 332.—Iceland moss (see also Fig. 161). A, tip of thallus-lobe bearing two fruit-patches, called apothccia, and along the edge a number of projections, known as spcrmagoiies, which contain dust-spores, i. B, edge of thallus bearing four spermagone-projections, Y-. (Luerssen.) Fig. 333.—Iceland moss. A spermagone-projection, cut vertically to show the cavity (sp) from which dust-spores arc discharged. (Luerssen.) consisting entirely of hypha; fused into a uniform Layers of spore-sacs arise near the

---

. Plants and their uses; an introduction to botany. Botany; Botany, Economic. I I. Fig. 332.—Iceland moss (see also Fig. 161). A, tip of thallus-lobe bearing two fruit-patches, called apothccia, and along the edge a number of projections, known as spcrmagoiies, which contain dust-spores, i. B, edge of thallus bearing four spermagone-projections, Y-. (Luerssen.) Fig. 333.—Iceland moss. A spermagone-projection, cut vertically to show the cavity (sp) from which dust-spores arc discharged. (Luerssen.) consisting entirely of hypha; fused into a uniform Layers of spore-sacs arise near the tips of tlie thallus-loljcs in Cetraria, and numerous projections inclosing dust-spores ap- pear along the margin. A singular method of reproduction very common among. 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 Sargent, Frederick Leroy, 1863-. New York, H. Holt and Company

---

Size: 1023px × 2443px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913