Friday, November 18, 2011

Sample #10



Name: Diphyscium foliosum
Habitat: on soil next to a stream
Location: Field Station
Description: Medium sized green plants, grow on soil
Collector: Getachew Hatsey
Key Used: Conard, H.S. and P.L. Redfearn, Jr. 1979. How to Know the Mosses and Liverworts 2nd Edition, McGraw-Hill, Boston, Mass.
1a. Plants with stems and leaves; leaves equally spaced around the stem or, if in two opposite rows, leaf cells enlongate or isodiametric and rhizoids multicellular; sporophyte persisting for weeks or months with no elaters present in the capsule. Class III MUSCL…2
2b. Plants not as above….3
3b. Plants not as above…(p.28) Subclass 3 Bryidae
Bryidae
1b. Green, brown, yellow, or blackish plant; if empty cells occur, they are not in two or three layers or they occur at the base, apex, or margin of leaf…..3
3b. Leaves inserted in three or more rows though plants sometimes strongly flatten thus appearing into rows….7
7b. Plants with peristome of more than four teeth or the peristome absent; gemmae when present at the tips of sterile stems not arrange in a cup…8
8b. Leaves well developed and persistant…9
9a. Capsule sessile (without a seta), inclined, asymmetric, immersed in bristle-tipped perichaetial leave; leaves of sterile stems limgulate, rounded at apex, with bulging cells in more than 1 layer, crisped when dry…..(p. 222) Diphyscium
Diphyscium foliosum

"Plants small, in rigid, dark green, brown, to blackish extensive tufts, capsules nearly sessile in forests on soil, humus, shaded bank, cliff, rock walls of ravines and gorges, wide spread in eastern North America."(Conrad and Redfearn, 1979)

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