— 282 — 



small; teeth indistinct; pedicel reddish. Plants small. — Eur. 

 r. Portugal: Solms Laubach, com. Venturi. 

 S.P.Nolarisii Schimper. 



»Differs from P. mnita: Leaves smaller narrower; upper cells 

 scarcely chlorophj'Uose. Capsule oblong-cylindric longer narro- 

 wer and longer-pedicellate. — Eur. r. Sardinia: F. Muellers: 

 Schimp. syn. 



b. Monoecious. Leaves often smooth and not reflexed. 

 Pedicel reddish. 



6.P.truncatula L. — Bryum L ; Pottia Lindb.; P. truncata 

 Fuernrohr. 



Leaves subobovate acute or fhort-acuminate smooth not 

 reflexed; costa not long-excurrent. Capsule short cupuliform 

 or subhemisphffiric; teeth none. — Earth in fields and gardens. 

 Eur. common. Sweden! France: Husnot. Amer. Can.: Macoun. 

 U. S.: com. Macoun. 

 7.P.lanceolata Hedwig. — Leersia H.; Pottia C. M. 



Leaves oblong-lingulate acute obtusate or short-acuminate, 

 us. reflexed and more or less papillose; costa often loug-excur- 

 rent. Capsule oblong-oval; teeth often well-evolute. — On 

 earth. Eur. not r. Switzerl.l Sweden: S. Hardin. France: Puget. 

 Italy: Arcangeli. 



* P.littoralis Mitten; Braithwaite. 



Leaves nearly smooth; costa shorter-excurrent. Peristome 

 none. — Sandy soil near sea r. Eur. Engl.: Rogers. Amer. 

 Can.: Macoun. 



* P.interniedia Turner. — Gymnostomum Turn.; Pottia Fuern- 

 rohr. 



Leaves faintly papillose sometimes slightly i-eflexed; costa 

 short-excurrent. Capsule gen. subcylindric; teeth none or rudi- 

 mentary. — Banks and walls. Eur. not r. Sweden! France: 

 Brebisson. Amer. r. Can.: Macoun. 



117. Dermatodou Huebener. 

 l.D.cernuus Huebener. — Desmatodon Br. eur.; Cynodontium 

 latifolium Schwsegrichen. 



Leaves oblong sublingulate sharply acuminate acute limbate 

 papillose, reflexed at least to middle, us. denticulate near apex; 

 costa excurrent finally reddish. Capsule broad-ovate inclined 

 or horizontally patent with erect neck, finally red-brown; teeth 

 long us. deeply cleft; lid apiculate; pedicel straight yellow 

 finally red 10 — 16 m. m. long. Spores about 0,04 m. m. 

 Tufts dense to 2 — 3 c. m. high, often lower. Monoecious. 



