130 HEPATIC^. 



Description or Plate XL VII. — Fig. 1. Plants natural size. 

 2. Portion of stem, antical view x 11 (C. & P. Hep. Brit. Exsicc. 

 n. 187). 3-5. Leaves x 11 (ditto). 6. Portion of leaf x 290 

 (ditto). 7, 8. Stipules x 24 (ditto). 9-11. Bracts x 16 (ditto). 

 12. Perianth x 11 (ditto). 13. Cross-section of the perianth 

 near the base x 16 (ditto). 14. Ditto lower half near the middle 

 X 16 (ditto). 15. Ditto, near the mouth x 16 (ditto). 16. 

 Teeth, mouth of the perianth x 85 (ditto). 17-19. Perigonial 

 bracts x 24 (Killarney, S. 0. Lindberg). 20. Ditto x 64 (ditto). 

 21. Antheridium x 85 (ditto). 



2. Bazzania triangularis (^ScJdeicher), Lindb. 



Jungermania triangularis, Schleich. PI. Crypt. Helv. ii. n. 61 (1805). 

 Jungermania dejiexa, Mart. Fl. Crypt. Erlang. p. 135, tab. 3, Fig. 8 (1817). 

 Bazzania triangularis (Schleich.), Lindb. Hep. in Hep. 499 (1874). 



Dioicous, loosely csespitose, or creeping, flagelliferous, small, 

 brownish-green or olive-brown. Stems dichotomously innovantly 

 branched, innovations proceeding from the axil of the stipules, 

 slender, frao:ile, cortical cells about 20, about 8 in diameter, all 

 similar ; flagella abundant, microphyllous ; radiculose, rootlets 

 fasciculate, hyaline. Leaves incubous, horizontal or patent- 

 divergent, distant or approximate, caducous, deflexed, convex or 

 plane, oblong-ovate or ovate, apex entire acute or irregularly bi- 

 tridentate ; cells smallish to medium size, roundish, walls firm, 

 trigones large and distinct. Stipules patulous, orbicular, sub- 

 rotund or obovate, entire, retuse, emarginate, or irregularly crenate. 

 Androecia postical, proceeding from axil of stipule, bud-like, 

 globular. Perigonial bracts 4, 5 pairs, concave-complicate, broadly 

 ovate, bidentate, sinus and segments small, acute; bracteole oval- 

 orbicular, retuse. Antheridia solitary, oval, stipitate. 



Dimensions. — Stems |- to 1 inch long, -15 mm. to "2 mm. in 

 diameter, with leaves 1" mm. wide; leaves "6 mm. x "4 mm., 

 7" mm. X '4 mm., "7 mm. x '35 mm., 1'2 mm. x '6 mm., 

 1*5 mm. X "7 mm.; cells "03 mm.; stipules '4 mm. x "35 mm., 

 '25 mm. X '25 mm., 2 mm. x 2 mm.; perigonial bract '4 mm. 



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