. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. open capsules bear a tuft of " elater-bearers " at the end of the valves as in Metzgeria^ For convenience they may be divided into two groups, the first with thallus narrow, about -^ to iV inch wide, and the second with thallus ^ to ^ an inch wide. There is little danger of confusing the plants of the first group with other plants, except perhaps. Metzgeria or Riccia Auitans, in which the branching is dis- tinctly dichotomous and the tha
. Mosses with a hand-lens; a non-technical handbook of the more common and more easily recognized mosses of the north-eastern United States. Mosses. open capsules bear a tuft of " elater-bearers " at the end of the valves as in Metzgeria^ For convenience they may be divided into two groups, the first with thallus narrow, about -^ to iV inch wide, and the second with thallus ^ to ^ an inch wide. There is little danger of confusing the plants of the first group with other plants, except perhaps. Metzgeria or Riccia Auitans, in which the branching is dis- tinctly dichotomous and the thallus costate, and in Riccia the plants are floating-aquatic. R. LATiFRONS Lindb. Thallus palmately divided something like the horns of a stag, about an inch long, FiGURB 91. Thallus of end branches tV to ^ inch long, P. Neesiana and portion of 1, , , . , â , /tm thallus viewed from the about jV "ich Wide. The spores ripen ii^voIucre?'^'°lhe'''m*dYl'e '" ^P"^ ^"'^ ^^^ (Warnstorf). This figure shows the capsule of species nearly always grows on de- P. epiphylla in position with , j j .t, 1 m -n ii involucre removed This is cayed wood and the next on soil. Both 'p? XSr/tt1"^^Ssui^ f^^"-- '^°°1 "^°ist situations, have not developed at this R. MUETIEIDA (L.) Dum. is one two inches long, bipinnately branched, often much more' regu- larly and evenly so than indicated in the figure; branches rather narrower than in the preced- ing; spores ripening about the same time. Usually growing on moist banks. There are three other species within our range, but they are scarcely to be distinguished with a hand-lens. R. PiNGuis (L.) S. F. Gray of the second group is found throughout our range on wet humus. It includes the R. sessilis of Gray's Manual. Howe states that the larger forms when sterile may be mis- taken for sterile forms of Pellia and that the "Distinguishing marks are the pinnate instead of dichotomous branching, apices rounded rath
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmosses, bookyear1905
