. The Canadian field-naturalist. 424 The Canadian Field-Naturalist Vol. 108. Figure 5. Tolypella prolifera. a: habit, photocopied herbarium specimen, scale bar = 5 cm; b: branchlet, scale bar = 2000 um; c: variation in branchlet end cells, scale bar = 500 urn; d: oogonium, scale bar = 200 um; e: oospore, scale bar = 200 um. seven specimens. Saskatchewan collections are listed from pools and lakes in the Moose Jaw, Regina, and Yorkton areas and the Alberta collection from Pot Hole Creek. 6. Nitella sp. [Figure 6] When examining the Chara vulgaris material from Ekapo Creek, a single stem of Nite

---

. The Canadian field-naturalist. 424 The Canadian Field-Naturalist Vol. 108. Figure 5. Tolypella prolifera. a: habit, photocopied herbarium specimen, scale bar = 5 cm; b: branchlet, scale bar = 2000 um; c: variation in branchlet end cells, scale bar = 500 urn; d: oogonium, scale bar = 200 um; e: oospore, scale bar = 200 um. seven specimens. Saskatchewan collections are listed from pools and lakes in the Moose Jaw, Regina, and Yorkton areas and the Alberta collection from Pot Hole Creek. 6. Nitella sp. [Figure 6] When examining the Chara vulgaris material from Ekapo Creek, a single stem of Nitella was found, its anchoring rhizoidal mass still intertwined with those. 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

---

Size: 1373px × 1819px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919