The Encyclopaedia Britannica; .. A dictionary of arts, sciences and general literature . r, and buds a, 6, wlicnce arise leafy stems bearingthe organs of reproduction. Fio. S63.—Hygrometric Cord-Moss (Funaria hvuromelrira), with Its nm-(ikstlieca u supported on stalks p, which arise from perichactial leaves /. ThatheciB aro covered by a calj-ptra c, which splits on one side. The operculumor lid o is seen in one of tlie thecaa from which the calyptra has fallen. ThaBeta Is , and displays hygrometric properties. either by four longitudinal valves, as in Andraea, or mostcommonly by a lid
The Encyclopaedia Britannica; .. A dictionary of arts, sciences and general literature . r, and buds a, 6, wlicnce arise leafy stems bearingthe organs of reproduction. Fio. S63.—Hygrometric Cord-Moss (Funaria hvuromelrira), with Its nm-(ikstlieca u supported on stalks p, which arise from perichactial leaves /. ThatheciB aro covered by a calj-ptra c, which splits on one side. The operculumor lid o is seen in one of tlie thecaa from which the calyptra has fallen. ThaBeta Is , and displays hygrometric properties. either by four longitudinal valves, as in Andraea, or mostcommonly by a lid or operculum (fig. 355), between whichand the capsule an annulus or ring/of cells is removal of the operculum the stoma or opening of thecapsule is seen. The margin of this is sometimes entire(gymnostomi), more iisually fringed with teeth or cellularprolongations, constituting a peristome (fig. 355, p), eitherin one row {aploperistomi) or in two rows {diploperistomi).Stretching across the mouth of the capsule is frequentlyseen a thin cellular membrane, the epiphragm or. Fig. 354, Fig. 355. Fio. 3M.—Fructification of the nalr-Mosa (Polylrithum), consistmg of an nra- llkj (urceolato) case or theca a, supported on a stalk (seta) », and covered by a calyptra c, which splits at the base. „ , , , ^ ? .^ . ... Fig. 855!—Thcca v of the Extmguisher-Moss {Encdiypla), showhig the teeth of the peiistomcii, which fold Inwards when molsnire is 356—Vertical section of a Mushroom yAganciu camprsliit). my, mycelium or epa-vn • rot, remains of volva or wrapper; it, stipe or stalk : an, annulus or ring, being the remains of the velum, veil, or cortinaj fa, lamelta or gills of tha hymenium ft; p, the pUens. tympanum, as in Polytrichum. ihe spores shed from germinate and give rise to the proembryo whichby budding gives off the sexual plants. lU Hepaticae the sexual generation arises either directly 162 BOTANY from the sijore of the asexual generatio
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectencyclo, bookyear1902
