— 369 — 



late above; lid snnall subacute. Dioecious. Habit of B. subro- 

 tundum. — Rocks in arctic districts r. Amer. Alaska: Krause»: 

 C. M. in Flora 1887. 



II Pachj'lophuB Kindb. 

 1. Argenteiformia 

 A. Leaves gen. obtusate; costa (exc. B. nitidulum) not ex- 

 current. 



a. Leaves sparingly chlorophyllose, silver-glossy, not reflexed, 

 not r. with hairpoint. Tufts low. 



97.B.argenteum L. 



Leaves subovate often apiculate; costa subhyaline not or r. 

 confluent with hairpoint. Capsule oval-oblong strangulate blood- 

 red or pale red. — Bare earth, stones and roofs. Eur. com- 

 mon. Sweden etc.! Amer. not r. Can.: Macoun. U. S.: Langlois, 

 com. Cardot. 



b. Leaves distinctly chlorophyllose, not reflexed. Capsules 

 unknown. 



98.B.veronense Notaris. — ArgjTobryum virescens Kindb. 

 Laubm. S. u. N. 



Leaves broad-ovate or ovate-oblong, obtuse, reddish at base; 

 cells rhombic shorter than in B. argenteum; costa yellow abbre- 

 viate. Branches subclavate pale green. Tufts sometimes 2 — 3 

 c. m. high. — In water on stones and sand r. Eur. Norway!; 

 Kaurin. Amer. Labrador: Waghorne. 



C. Leaves chlorophyllose, more or less reflexed. 

 99.B.Blindii Br. eur. — B. Kisrii Lindb. 



Leaves oval-oblong subobtuse: only uppermost (narrowly) 

 reflexed. Capsule blood-red obovate; cilia sometimes not appen- 

 diculate. Dioecious. — Wet sand princ. by rivers, r. on rocks, 

 r. Eur. Norway!; F. Kiser. France: Boulay. Amer. Can.: Ma- 

 coun. 

 * B.oblongum Lindberg. 



Leaves more obtuse. Capsule sometimes suboblong. — Wet 

 sand r. Eur. Norway!; Kaurin. FinL: Brotherus. 

 lOO.B.teres Lindberg. 



Leaves broad-ovate obtuse: only uppermost apiculate and 

 reflexed. Capsule pale brown suboblong; ciha appendiculate; 

 pedicel about 1 c. m. long. Resembles somewhat B. calophyl- 

 lum. — Arctic district r. Eur. Spetsbergen: Berggren. 

 lOl.B.bulbifolium Lindberg. 



» Leaves ovate obtuse with deflexed point: only uppermost 

 l-eflexed. Capsule brown-red obovate; cilia appendiculate. Stem 



