144 A MANUAL OF MOSSES 



rather wide, conic-mamillate ; teeth of peristome linear-lanceo- 

 late, yellowish, articulate, strongly tx-abeculate, narrowly mar- 

 gined above, sub-hyaline and papillose at apex ; segments of 

 inner peristome nearly as long as teeth, hyaline, granular, 

 carinately split and gaping, cilia three, as long as segments, fili- 

 form, strongly articulate and often sub-appendiculate, hyaline, 

 granular ; basal membrane reaching to middle of teeth ; spores 

 minutely roughened, yellowish-pellucid, , .012-015 mm. in 

 diameter, mature in June. 



On earth with more or less humus. Thus far known only 

 as follows : 



Butler : On earth under pines on rocky hillside, 



West Winfield, May 26, 1906. O. E. J. 



Crawford : On hummocks of earth with Polvtrichum, 



near Hartstown, July 26, 1908. 'O. E. J. 

 Type Specimen (Figured). 



4. Webera lescuriana (SuUivant) Jaeger. 



(Bryum pulchellum Sullivant, not Hedwig.) 



(Plate XVIII) 



Gregarious to loosely cespitose, pale green : stems not red, 

 ascending, usually simple, usually 1-1.5 cm. long; leaves small 

 and remote below, gradtially increasing in size and number 

 above, the upper lanceolate, the comal linear-lanceolate, up to 

 2.5 mm. long, long-acuminate at the serrulate apex, the margins 

 more or less recurved, the base non-decurrent ; costa strong, 

 reddish, ending below apex ; leaf-cells elongate-rhomboid-hexa- 

 g'onal, prosenchyihatous, rather thick-walled, the basal often 

 reddish and tending to rectangular, the marginal slightly nar- 

 rower: seta 'erect, 1-1.5 cm. long, yellowish-brown, lustrous, 

 slender flexuous ; capsule horizontal to abruptly pendent, short, 

 i.5-2 Chi. long, yellowish-brown, the short tapering neck darker 

 brown, capsule pyrifoi-m in general shape, when dry and empty 

 widely flaring at the mouth ; operculum conic-apiculate to 

 mamillate; annulus revoluble; peristome rather short, teeth 

 linear-lanceolate, yellowish-pellucid, abruptly narrowed above 

 the middle to a sub-hyaline papillose apex, divisural and 

 lamellae present, trabeculae strong, often a few connected by 

 oblique or vertical bars; segments of inner peristome a little 

 shorter than teeth, carinately split and gaping, cilia usually two, 

 sometimes one, articulate, shorter than segments; basal mem- 

 brane one-third the height of teeth ; spores minutely roughened, 

 about .015-018 mm., rnature in May: dioicoUs. 



On wet clay or saiidy soil, New Brunswick to Alabama 

 and Arkansas. Probably not rare in our region. 



Allegheny : Power's Run, May 7, 1905. O. E. J. 



McKean : Quintuple, May 7, 1896. D. A. B. 



