-to— 



cucullate apex, the stout vein ending in or just below the point 

 which occasionally is formed by a single short hyaline cell; 

 apical cells rounded and indistinct, slightly sinuous, composed 

 more or less of two irregular layers of cells, or frequently 

 with only one layer and occasional groups of bistromatic cells 

 here and there, not papillose, but the thickened walls of the 

 apical cells giving an irregular outline to the cross-sections of the 

 leaves; basal cells in one layer, more distinct, oblong or quad- 

 rate, .oi3-.o2imm. in diameter. Dioicous. only male plants col- 

 lected, antheridia large, bright yellow, with or without para- 

 physes. 



On rocks. Tuckerman's Ravine, Mt. Washington, N. H., 

 alt. 1,230m., July 30, 1890. Collected by Dr. Alexander W. Evans 

 of Yale University, to whom this species is dedicated in recogni- 

 tion of his .services to American bryology. Dr. Evans* speci- 

 mens have been compared with Gn'mmia ccESpiticia (Brid. ) Jur., 

 {G. sulcata Sauter) and with Limprichf s description and figures 

 (Rab. Kryptfl. 4: 2, 778. fig- 203). Though closely resembling 

 this species in the form and structure of the leaves, ours lack the 

 two prominent folds of the European species and the plants are 

 coarser and more loosely tufted." 



ENTOSTHODON LEIBERGII, sp. oov. E. G. Britten. 



PLANTS gregarious; stems short, 5mm, simple or divided at 

 base, naked below, leaves crowded at summit, the largest 

 2-3nim. long by imm. wide, oblong-lanceolate, acute or api- 

 culate, the vein ending in or below the apex or excurrent into a 

 subulate point, serrate, above, marginal cells somewhat longer and 

 narrower, but not bordered, those of the basal angles occasionally 

 inflated, forming an auricle; perichetial leaves smaller, generally 

 entire, with the vein ending far below the apex. Autoicous; seta 

 5_iom'm. long, pale, becoming red brown as well as the mature 

 capsule, which is globose- pyriform, i-2nim. long, with a tapering 

 neck ; btomata numerous; lid convex, bordered with yellow, the 

 marginal cells quadratic in straight rows, the inner smaller, irreg- 

 ular and oblique; mouth sligiitly flaring when dry, bordered by 

 4-8 rows of transversely elongated cells and one row of orange- 

 colored smaller cells; annulusnone; peristome short, rudiment- 

 ary, teeth irregular, divided, orange-colored; spores rough, .025- 

 .029mm- rusty brown. 



In wet, springy places near Hope, Idaho, at 2100 feet, May, 

 1892. Collected by John B. Leiberg, to whom this species is ded- 

 icated. Nearest to Entosikodoji ertcetorum C. M. {Funarui 

 obtusa Lindb.), from which it differs in its larger size, broader 

 leaves without the narrow border of cells, so markedly shown in 

 No. 281 of Wilson's Musci Brittanici. 



