Roll, Vorläufige Mittheilungen. 387 



scharf gesägt; Rippe mit 2 oder 3 scharfgesägten, 2 — 3 Zellen 

 dicken Lamellen ; Laminalzellen kürzer und breiter, schwächer ver- 

 dickt und weniger stark grubig-porös. 



Chicago (Illinois). 



Barbula subcylinärica Brotli. spec. n. Dioica: caespitosa, 

 caespitibus densiusculis, elatis, superne sordide fuscis; caulis ad 

 6 cm usque altus, erectus, flexuosus, dichotome ramosus, ramis 

 fastigiatis, dense foliosus teres; folia sicca crispula, humida e basi 

 erecta recurvata, carinato-concava, comalia longiora, e basi lan- 

 ceolata, lanceolato -subulata, obtusa, minutissima papulosa, mar- 

 ginibus integenimis, revolutis, infima basi apice tantum planis, 

 nervo rubro, plano-convexo , apice tereti, crasso, e basi usque 

 supra medium c. 0,08 mm lato, apice tantum paullo, tenuiore, ex- 

 currente, dorso valde prominulo, laevissimo, lamina ubique unistra- 

 tosa, cellulis rotundato-quadratis et transverse ovalibus, 0,0075 — 

 0,01 mm, basilaribus quadratis et breviter rectangularibus ; bracteae 

 perickaetii foliis similes, integerrimae, basi laxius reticulatae. Caetera 

 ignota. 



Patria. Washington (Cascaden) Enumclaw. 329. Formis ro- 

 bustioribus B. cylindricae (Tayl.) Seh. valde similis, sed foliis squar- 

 roso-reflexis, obtusis primo intuitu jam differt. 



Timmiella Vancouveriensis Broth. spec. n. Dioica; laxe caes- 

 pitosa, caespitibus humillimis, laete viridibus, nitidis; caulis vix 

 ultra 3 mm altus simplex, infima basi longissima radiculosus, superne 

 dense foliosus; folia sicca tortuosa, arenato-inflexa, marginibus 

 involutis, humida strieta, patula, subplana, e basi brevi, erecta. 

 lanceolato-linearia, acuta, usque ad 5 mm longa, marginibus parce 

 undulatis, erectis, ex apice ultra medium sensim remotius et obtusius 

 denticulatis, nervo viridi, basi circa 0,2 mm lato, ex currente, lamina 

 bistratosa, cellulis chlorophjllosis, rotundato-quadratis, 0,0075—0,01 

 mm, basilaribus elongatis hyalinis; bracteae perichaetii foliis 

 similes; seta ad 1 cm usque alta, pluries flexuosa, tenuis, basi c. 

 0,15 mm crassa, lutescenti - fuseidula, laevissima; theca erecta, 

 subreeta, cylindricaf- 2 — 2,75 mm alta, badia, nitidiuscula, striata, 

 brevicollis; annulus latus, triplex, facile revolubilis; peristo- 

 mium simplex, circa 0,57 mm altum, pallidum, tubo brevissimo, 

 dentibus erectis, densissime longe papillosum ; spori 0,012 — 0,014 

 mm, lutei, granulati ; operculum conicum, curvatulum, obtusum, 

 rubiginosum, c. 0,76 mm altum. Calyptra et planta mascula ignotae. 



Patria. Vancouver Island, Victoria, in terra humosa parce. (16). 



A T. flexiseta (Bruch) Limpr. (Trichost. flexipes Br. Eur.) mihi 

 e descriptione et icone in Bryol. eur. tantum nota, statura robustiore, 

 operculo breviore, curvatulo et sporis paullo majoribus, granulosis 

 differre videatur. 



Grimmia (Platystoma) cinclidodontea C. Müll. spec. n. ; monoica, 

 flore masculo in ramulo proprio terminali ; caulis fasciculatim divisus ; 

 folia caulina horride patula laxe disposita, madore strieta longius- 

 cula angusti uscula, e basi oblongata, sensim attenuata acuminate 

 obtusiuscula integerrima, margine erecta, curviuscula, nervo crasso 

 apicem folii totum oecupante percursa, aequaliter coneava ; perichae- 



26* 



