— 61 — 



7.P.fllari-aciiminata C. M. et Kindb. cat. Can. m. 



Leaves as in the last but smaller; inner basal pale, the 

 others eublinear exc. the alar. Capsule subcylindric brick-red; 

 teeth yellow; segments rimose or narrowly open in middle, 

 basal membrane elevate; lid conic obtuse. Tufts bright green. 

 — Trees r. Amer. Can. Rocky mts: Macoun. 



B. Leaves entire or the uppermost faintly sinuolate. 



a. Stem-leaves recurved to the middle of basal borders; alar 

 cells about 15 — 20. Stem creeping, sometimes with paraphyllia. 

 Tufts green us. silkj' glossy. 



S.P.polyanthos Schreber. — Hypnum Schr.: Pylaisia Br. eur. 

 Stem-leaves ovate-oblong filiform -pointed, yellow at insertion; 

 cells sublinear-lanceolate exc. the alar. Branch-leaves ovate- 

 lanceolate with subsubulate acumen or short filiform point, 

 gen. not recurved. Perichetial leaves filiform- pointed. Capsule 

 suboblong or subcylindric, contracted at mouth; teeth pale yellow; 

 segments split; cilia rudimentary or wanting; lid short-pointed. 

 Stem pinnate. Tufts green. — On trees, r. on rocks or roofs. 

 Eur. common. Sweden, Germany, Switzerl., Italy! Amer. Can. 

 not r.: Macoun. 



b. Leaves not or near base recurved, entire; alar cells few 

 not well defined. Stem not creeping. Tufts not or faintly 

 glossy. 



9.P.suecica Br. eur. — Thedenia Br. eur.; Pylaiea Lindberg. 



Leaves small ovate-oblong or ovate-lanceolate, often long-acu- 

 minate; lower cells suboblong, middle rhombic-oval. Perichetial 

 leaves apiculate. Capsule oblong-cylindric; teeth yellow; cilia 

 short; lid rostrate. Stem irregularlj' divided or subpinnate; 

 branches julaceous. Tufts green with few rhizoids. — Earth 

 in subalp. region r. Eur. Sweden: K. F. Thedenius. 

 * P.alpina Kindb. n. subsp. — Hypnum polyauthos var. alpi- 

 num Kindb. Laubm. Schwed. u. Norw. 



Leaves a little larger, less strongly appressed when dry; 

 perichetial submuticous. Capsule narrow- cylindric; lid rostellate. 

 Branches subfastigiate nearly simple. Tufts eradiculose yellowish 

 green. — Eur. Norway near Kongsvold on a turf -roof in subalp. 

 region!; E. Adlerz. 



lO.P.aipicola Lindberg. — Stereodon (Pylaiea) Lindb.; Arnell 

 musci Asise bor.; Pylaisia Kindb. check-list of Eur. and N. 

 Am. Bryiii. 



Leaves ovate-oblong with long filiform falcate point, very 

 small and not appressed; alar cells yellow, the others pale 



