BAZZANIA. 133 



Found on the Continent and in North America. 

 Obs. — Differs from B. frilobafa (L.) in its smaller size, 

 brownish colour (not pale or dark green), more deflexed, and 

 when dry, involute leaves, which are shorter and narrower, witli 

 narrower apices, teeth longer and more acute. 



From B. triangularis (Schleicher) and B. Pearsoni (Steph.) ; see 

 notes under each species. 



Description of Plate XLIX. — Fig. 1. Plants natural size. 

 2. Portion of stem, antical view x 24 (C. & P. Hep. Brit. Ex. 

 n. 266). 3, 4. Leaves x 31 (ditto). 5, 6. Ditto x 31 (C. & P. 

 n. 122). 7, 8. Ditto x 31 (C. & P. n. 123). 9. Portion of leaf 

 X 290 (Rosthwaite, Cumberland, Carrington & Pearson). 10. 

 Stipule X 31 (C. & P. n. 122). 11, 12. Ditto x 31 (C. & P. 

 n. 123). 13. Stipule x 31 (C. & P. n. 266). 14-16. Sub-bracts 

 X 24 (Killarney, Stewart & Holt). 17. Sub-bracteole x 24 

 (ditto). 18, 19. Innermost bracts x 24 (ditto). 20, Perianth 

 X ? (from Lindenb. Spec. Hep.). 21. Pistillidium x 85 

 (Killarney, Stewart & Holt). 



4. Bazzania Pearsoni {StcjjJiani). 



Masligohryum Pearsoni, Stephani, " Hedwigia " (1893). 



Dioicous, loosely caespitose, flagelliferous, largish, ochraceous. 

 Stems erect or procumbent, simple or with one, rarely two short 

 branches, fiexuose, filiform, uncinate at the apex, on a cross-section 

 cortical cells about 25, with thick walls, inner more delicate, 8-10 

 cells in diam. ; flagella few, raicrophjdlous ; radiculose, rootlets 

 few, hyaline, fasciculate, delicate. Leaves distant, alternate, much 

 deflexed when dry, somewhat fragile, reniform, with large over- 

 lapping base, apex acute or truncate, entire or irregularly bi- 

 tridentate ; cells small, roundish-quadrate or elongate, guttulate, 

 walls thick, angles very much thickened, no trigones. Stipules 

 patulous, convex, slightly decurrent, obovate, ovate or orbicular, 

 entire or retuse. Inflorescence ? cladocarpous, arising I'rom axil 

 of the stipules. Sub-bracts small, few (4), ovate, bitid ; bracteole 

 obovate, entire. Innermost bracts ovate, bi-tridentate, margin 



