96 



Bryum (Riiodobryum) Ontariense, Kindberg. n. sp. 



Intermediate between Bryiiin rosetim and Bryum Beyricliii 

 (Hsch.) C. Mullen Comal leaves very numerous, lingulate, ab- 

 ruptly and short acuminate, revolute to ^ or ^, yellow-mar- 

 gined above with great confluent teeth ; costa stout, excurrent. 

 Capsule pale, with a distinct, curved coUum half as long; 

 teeth papillose and hyaline above ; archegonia numerous ; lid 

 convex, short apiculate, not oblique. 



Hitherto confounded with Bryum roseum and quite common 

 throughout Ontario ; generally in a barren state. On old logs 

 in all maple woods around Ontario. 



POLYTRICHUM (PoGONATUM) MaCOUNII, Kindberg. 



Dioecious ; laxly csespitose, green, brownish when old. Stem 

 rooting only at base, ascending 8-15 cm. high, dichotomous 

 branching. Leaves very long (i-S-2 cm.), when dry spreadin 

 or patuloseflexuose and convolute, humid subplane linear-lanceo- 

 late, cuspidate from the short sheathing, dirty whitish base, dense- 

 ly and sharply serrate, spinulose and reddish at back towards the 

 apex; lamellae numerous (about 6c^, entire, each of round sexan- 

 gular cells, costa long excurrent ; lower cells of the leaf bare, 

 elongate and narrow, the upper oblong, the cell walls often ob- 

 lique and irregular. Perichetial leaves shorter and more acute 

 than the other; seta robust, 3-6 cm. long pale, finally orange. 

 Vaginule glabrate, pale ; capsule 6 mm. long, obliquely inclined, 

 cylindric-oblong without neck at the base, narrowed below the 

 mouth, constricted, not angulose, finally dark brown, at first 

 greenish with the mouth orange, 6-"] mm. long and 2 mm. 

 broad; lid large conic-subulate, at base orange 2 cm, long; 





teeth of peristone 32 short. 



This robust and very distinct species is allied to the Japonian 

 PolytricJmm grandifolium Lindb. Abundant on the borders of 

 ravines on the upper slopes (4.500 feet) of Mount Arrow^smith, 

 Vancouver Island. Collected July 13. 1887, by John Macoun- 



Polytrichum sexangulare, Floerke, 



Plants loosely caespitose, not radiculose. Stems simple, erect, 

 1-2 cm. long. Leaves linear-lanceolate sub-obtuse, dry hooked- 

 incurved; borders inflexed, entire or with 2-3 teeth at the apex; 

 basal cells quadrate or short- rectangular. Capsule cubic-oval, 

 4-6-angular, inclined or erect; lid short-rostrate from a conic 

 base, oblique; peristome subregular, hyaline; spores about 0.02mm. 



Although Dr. Braithwaite (Brit. Mosses i., 51) describes the 

 peristomial teeth as marked with an orange median line and the 



