Want to see the step-by-step answer? Inside the capsule can be anywhere from 4 to over a million spores depending on the species of moss. The spore capsule, often with a supporting stalk (called a seta), is the sporophyte and this grows from the gametophyte stage. check_circle Expert Answer. ), peat mosses show the following distinctive characteristics: (a) Protonemata are low structure (thallose). Name the structure in moss capsule that is haploid tissue. Distinction of Peat Mosses (Sphagnum spp.) Name the structure in moss capsule that is haploid tissue. Liverwort capsule & stalk . Figure 9. Moss capsule x40 In wet conditions the spores can't travel very far. Figure 8. The bryophyte groups What is a moss? The moss capsule has several tissues. When the sporophyte emerges, it tears off a piece of the female gametophyte's archegonium, leaving a coating called the calyptra.Mosses have a capsule, where the sporangia are housed.This capsule has a lid-like structure called an operculum, which pops off when spores have matured. Sporophyte Generation. In essence, the liverwort capsules is simpler, containing spores and a second cell type called elaters. Worldwide there are hundreds of species of moss. A membranous hood, the calyptra, which is also discarded at maturity, further protects the operculum. In the drawing at the right, notice that the moss reproductive part consists mainly of a capsule (the operculum, annulus, peristome and urn) on ⦠The front of the capsule ⦠moss structure If you get interested in mosses and acquire a moss field-guide, the first thing you should do is to check out the pages showing moss structure. On the front of the pod capsule are a set of âteethâ called the âperistomeâ that controls the release of the spores. Biodisc photomicrograph: L.S. The capsule is a small pod that contains the spores. Question. page noted that bryophytes have a gametophyte stage and a sporophyte stage. Spores of bryophytes are generally small, 5â20 micrometres on the average, and usually unicellular, although some spores are multicellular and considerably larger. Asked Jul 8, 2020. The introductory WHAT IS A BRYOPHYTE? In most mosses, the mouth of the capsule is covered by a lid-like operculum, which falls off when the spores are mature. from Other Mosses: As opposed to the other mosses (granite moss, true mosses, etc. 25 views. Indicate where these structures occur in the life cycle diagram that you prepared (above). Moss capsule containing spores. Pay attention to the size, shape and position of the capsule, the length of the stalk and the structure ⦠Bryophyte - Bryophyte - Form and function: The gametophyte form shows several developmental stages: the spore, the protonema, and the gametophore, which produces the sex organs. calyptra (cap) operculum (lid) ⢠Umbrella-shaped structure on gametophyte is a carpocephalum. Moss sporophytes have a complex set of structures at the top of a seta. Moss life cycle Sporophyte Gametophyte. What is produced within this structure (the capsule)? ⢠Sporophyte is hidden under the carpocephallum. (b) Stems of adult gametophytes devoid of rhizoids. A moss is a flowerless, spore-producing plant - with the spores produced in small capsules. ... Common Name: Yellow Moosedung Moss ⢠Bright yellow skirts of capsule bases. (f) Dehiscence of capsule by breaking of operculum. 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