. The Bryologist. Mosses; Liverworts; Lichens; Botany; Bryology. -58- Ditrichum heteromallum^^ (Hedw.) E. G. B.—Alaska to Oreg.; N. H. 3b. Leaves somewhat revolute, gradually narrowed; (4) seta red, 1-2 cm. long; (5) stems up to 10-20 mm. Plate XVI.—Ditrichum heteromallum (i) Lecf, X22. (2) Leaf-tip, X400. (3) Leaf-tip, X32. (4) Cells of leaf- middle, X400. 4a. Peristome-teeth bifid to base, not connate nor perforate; leaf-tip wide; basal marginal leaf-cells short. Ditrichum ambiguum Best—Wash, and Oreg. 4b. Peristome-teeth not bifid to base, more or less connate or perforate; leaf-tip


. The Bryologist. Mosses; Liverworts; Lichens; Botany; Bryology. -58- Ditrichum heteromallum^^ (Hedw.) E. G. B.—Alaska to Oreg.; N. H. 3b. Leaves somewhat revolute, gradually narrowed; (4) seta red, 1-2 cm. long; (5) stems up to 10-20 mm. Plate XVI.—Ditrichum heteromallum (i) Lecf, X22. (2) Leaf-tip, X400. (3) Leaf-tip, X32. (4) Cells of leaf- middle, X400. 4a. Peristome-teeth bifid to base, not connate nor perforate; leaf-tip wide; basal marginal leaf-cells short. Ditrichum ambiguum Best—Wash, and Oreg. 4b. Peristome-teeth not bifid to base, more or less connate or perforate; leaf-tip narrow; basal marginal leaf-cells long. Ditrichum pusillum^"^ (Hedw.) Timm.—Wash., Calif.; eastern N. 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 Grout, A. J. (Abel Joel), b. 1867; Smith, Annie Morrill; Jennings, Otto Emery, 1877-; American Bryological and Lichenological Society; American Bryological Society. St. Louis, Mo. [etc. ] American Bryological and Lichenological Society


Size: 2979px × 839px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, booksubjectli