293 



Philib. I. c. 



Washington: Cascaden, Ellensburgh, c. fr. (972, 973). 



A. Br. pendulo (Hornsch.) Scbimp., proximo, notis 

 supra expositis facile distinguitur. 



Mnium L., Schwaegr. 



M. cuspidatum Hedw. (Syn. A strophy Hum silvaticum 



Lindb.). 



Illinois: Chicago, c. fr. (1794, 1799, 1800, 1801). Wis- 

 consin: Kilborn, c. fr. (1620). 



M. venustum Mitt. 



Idaho: Coeur d'Alene, c. fr. (1191). Washington: Cascaden, 



EastoD, c. fr. (644, G45), Enumclaw, c. fr. (390, 396, 397). 



Vancouver Island: Victoria, c. fr. (75). 



M. medium Br. eur. 



Oregon: Mount Hood, ster. (1084). Idaho: Coeur d'Alene, 



ster. (1190). Washington: Cascaden, Enumclaw, 

 c. fr. (392, 395). Vancouver Island: Victoria, c. fr. 

 (67, 70). 



M. lucidum (Britt.) (Bull, of the Torrey Dot. Club vol. 



XVIII. 2. 1890.) [M. Roellii Broth, n. sp. (Bot. 



Centralbl. 1890 No. 52.)] 



Dioicum; laxe caespitosum, caespitibus latis, pallide 

 viridibus, siccis vernicoso-nitidis; caulisad 2 cm usque altus, 

 niger, ad basin brevi spatio longe fusco-radiculosus, angulatus, 

 erectus, flexuosus, simplex; folia inferiora remota, squamac- 

 formia, tenera, hyahna, ovata, acuta, longe decurrentia, 

 integerrima, baud limbata, laxe reticulata, evanidinervia, 

 comalia conferta, patentia, sicca fore immutata, vernicoso- 

 nitida, pellucida, subplaua, fere aequalia, infima tantum 

 minora, baud decurrentia, e basi 0,8—0,9 mm lata acurainato- 

 spathulata, acuta, 0,5-0,6 cm longa, superne 2,5 mm lata, 

 ex apice versus tertiam partem vel paullo ultra brevissime 

 denticulata, marginibus e basi ad vel paullo ultra medium 

 revolutis, limbatis, limbo concolore, unistratoso, cellulis 

 biseriatis, nervo basi crasso, sursum tenuiore, viridi, infra 

 apicem evanido vel breviter excurrente, cellulis leptoderraicis, 

 pellucidis, parcius chlorophyllosis, basilaribus oblongo- 



hexagonis, 0,09 



P 



late hexagonis, circa 0,085 mm longis et 0,045 mm latis; 

 bracteae perichaetii crectae, foliis breviores et multo 

 angustiores, intimae multo minores, ovato-lanceolatao, intcgrae 

 vel apice parce denticulatae, marginibus planls, baud limbatis; 



