. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. BRYACEAE 219 of narrow cells, and have the costa ending below the apex. The capsules ma-ture in late summer. This is one of the species that can easily be determinedsterile. The next is the only one likely to be mistaken for it. In that species,however, the costa is excurrent and the leaves are not quite so stronglydecurrent. B. pallens Sw. is an interesting alpine or subalpine species, not common,but so well marked as to be distinguished readily. The fresh plants are
. Mosses with hand-lens and microscope : a non-technical hand-book of the more common mosses of the northeastern United States. BRYACEAE 219 of narrow cells, and have the costa ending below the apex. The capsules ma-ture in late summer. This is one of the species that can easily be determinedsterile. The next is the only one likely to be mistaken for it. In that species,however, the costa is excurrent and the leaves are not quite so stronglydecurrent. B. pallens Sw. is an interesting alpine or subalpine species, not common,but so well marked as to be distinguished readily. The fresh plants are. Figure 112. Bryum f>alU-ns (From Bry. Eur.). 11 anti 12. Perigonial leaves. 8. Leaf apex. usually some shade of red; the leaves are stronglv decurrent, short pointed,with a reddish costa much as in B. biiiiiim; border well defined, : capsule slightly curved, with a long neck, approaching in form thatof Leptobrytim pyriforme, but larger; teeth not darker at base than at the apex;spores in summer. On soil. The capsule somewhat resembles that of ^iiiosiiDi, and serves to distinguish this from species with which it might other-wise be confused. B. turbinatum (Hedw.) Schwaegr. is another very rare species reportedfrom Niagara Falls, the Rocky iVIountain regions; N. H., James and N. J.,Austin. The leaves resemble those of the last, but are not so strongly capsules are the characteristic thing. They are symmetric and shortpyriform. When dry and deoperculate the mouth flares out, while the capsuleimmediately below the mouth becomes very strongly contrac
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