1892.] 



HEPATICÆ MADAGASCARIENSES. 



9 



mm. X .125, bract 4 mm. X .25 mm. seg. .1 mm., .4 mm. 

 X .35 mm. seg. .1 ram, .5 mm. X .35 mm. seg. .225, perianth 

 1. mm. X 025 mm. 



Hab. In montibus Ankaratra, 1877, (117 p. p. K.). 



Obs. Differs from Cephaloøia pijgmæa Spruce (South America), 

 another monoicous species, in being flagelliferous, leaves oval 

 or subquadrate, not cuneate, segments much wider at the base. 



Description of Plate ±. Fig. 1. Plants nat. size. 2. 

 Plant X 24. 3. Cross-section of stem X 85. 4—9. Leaves 

 X 85. 10. Portion of leaf X 290. 11. Subbract X 85. 12. 

 Subbracteole X 85 13. Bract X 85. 14. Bract and bracteole 

 X 85. 15. Bracts and bracteole X 85. 16. Perianth X ? 

 17, 18. Cross-sections of perianth X 85. 19. Portion of the 

 mouth of the perianth X 85. 



16. Schistocheila pauciserrata n. sp. Kiær et Pears. 



Caespitosa, mediocris efulvo rufescens. Caulis simplex, 

 suberectus, radiculosus, radicellis purpureis. Folia imbricata, 

 patenti-divergentia, complicata, biloba, ad carinam alata, ala 

 undulata; loba antica breviore, ovato-acuminata, integra, basi 

 unidentata, loba postica oblongo-acuminata, pauciserrata, basi 

 uniciliata; cellulæ mediocre, subrotundæ; trigona distincta. Foliola 

 bipartita, segmentis subulatis, pauciciliatis. 



Densely cespitose, medium size, from pale green to reddish 

 brown or red. Stems suberect, simple, thick, succulent, pale 

 green; cells uniform; radiculose, rootlets copious, thick, long, deep 

 purple. Leaves distichous, imbricate pateut-divergent, compli- 

 cate, bilobed, winged; antical lobe adnate to the postical for 

 about half its length, about half its size, ovate-acuminate, entire, 

 near the base unidentate; postical lobe oblong-acuminate, near 

 the apex serrate, near the base uniciliate, wing crenulate, undu- 

 late, often uniciliate near the suture; texture soft, cells medium 

 size, roundish, walls firm, trigones large, distinct. 



Dimensions. Stems 1 / 2 to IV2 inch long, with leaves 6. mm. 

 wide, diam. of stem .5 mm., leaves, antical lobe 2.75 mm. XLI 

 mm., 2.5 X 1.1, postical lobe 3.3 mm. X 1.2 mm., cells .04 mm., 



