WebbSchistidium dupretii (w) – Exothecial cells usually isodiametric, often quadrate, but sometimes with patches of elongate cells, forming a ± regular to very regular pattern; perichaetial leaves narrow or wide, usually concealing major part of the urn; hair point various, but not conspicuously narrower than the chlorophyllose part of the leaf apex; … Webblength of the vegetative leaves, forming a sheath around the seta, outer perichaetial leaves in several series, longer and more attenua-ted towards the middle of the perichaetium. Seta exceeding the tips of the perichaetial leaves by 1-3 mm or more, brownish, somewhat twisted, erect. Capsules not seen. (Figure 1)
THE GENUS ANOMOBRYUM - arctoa.ru
Webbperichaetial. / ( ˌpɛrɪˈkiːtɪəl) /. adjective. denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte. Webb26 juli 2024 · The long, clasping perichaetial leaves (i.e., the specialized leaves surrounding the archegonium—the female reproductive organ) are at least twice as long as the vegetative leaves (Vitt 1976). The straight, stout setae (stalks supporting the spore-filled capsules) vary in length from 1–1.5 mm (Smith 1978; Vitt 2007). cinelli work mash
Orthotrichum stramineum - British Bryological Society
WebbLeaf rounded in cross-section, margin plane or slightly recurved below. Autoicous, capsules nearly always abundant. Capsules smooth, globose to urceolate, obliquely attached to a very short, thin and arcuate seta, hence almost completely hidden by the perichaetial leaves. Peristome distinct, orange-coloured. Teeth perforated. Beak very short ... Webb29 sep. 2024 · cells from leaf lamina, 2 ¼ length of leaf acumen (ends at the point where margins become recurved), 3 ¼ maximum width of leaf, 4 ¼ costa width at central … Webb17 juni 2024 · However, the perichaetial leaves are long and slightly sheathing at the base, the basal cells are not strongly differentiated from the distal cells, which can be papillose (mainly, on the dorsal side of the leaf), and usually slightly thick-walled, the marginal laminal cells are undifferentiated, and some cross-sections of the stem seem to show a … cinelog c download