1892.] LEJEUNEÆ MADAGASCARIENSES. 



5 



X 1. mm., lobule .1 mm. X 4 mm., .85 X 1.1, lobule .1 X -5, 

 .9 X 1.25, lobule .2 X .5, cells .03 m X .0125 mm., .02 X .01, 

 underleaves .6 mm. X .45 mm., .5 X .4, bract, lobe 1.6 mm. X 1. 

 mm., lobule 1.45 mm. X 1 25 mm., bracteole 1.3 mm. X 11 mm., 

 perianth 1.15 mm. X 7 mm., perigonial leaves .5 mm. X .75 

 mm., lobule .25 mm. X .4 mm., antheridia .11 X .085 mm. 



Description of Plate I. Fig. 1. Plants nat size. 2. Portion 

 of stem, postical view, X 24. 3—5. Leaves X 24. 6. Lobule 

 X 85. 7. Portion of leaf X 290. 8, 9. Underleaves X 24. 

 10. Bract X 24. 11. Bracteole X 24. 12. Perianth X 24. 

 13. Perigonial leaves X 24. 14. Antheridium X 85. 



8. Lopholejeunea fimbriata (Gotts.) Spruce, Gotts. „Rel. Rut. u . 



9. Lopholejeunea lepidoscypha. Kiær et Pearson n. sp. 



Monoica. Folia semirotunda semicordatave, apice rotundata, 

 basi subrecte complicata; lobulus 4-5-plo brevior, ovalis, convo- 

 luto-biplicatus; carina convexa. Foliola magna, contigua, sub- 

 rotunda, basi brevissime decurrentia, integerrima Flores ? in 

 ramo simplice terminales. Bracteæ semicordatæ, integerrimæ, 

 lobulo oblongo; bracteola magna, subrotunda, integerrima. Peri- 

 anthia pyriformia, compressula, 5-carinata, antice unicarinata, 

 postice bicarinata; carinæ irregulariter spinoso-alatæ ; tota facie 

 squamulis foliaceis sparsa. 



Plants loosely cespitose, or creeping amongst mosses or 

 other hepaticæ, small, dark brown. Stems delicate, unequally 

 pinnate, branches opposite or alternate. Leaves imbricate, hori- 

 zontal, convex, semirotund or semicordate, apices rotundate; lo- 

 bule rather shorter than half leaf, about a */* or l /-5 ta size of 

 lobe, oval, convolute, biplicate, keel remarkably inflated, project- 

 ing the lobe outwards; cells smallish, hexagonal, lumen with 

 minute chlorophyl granules, walls firm, reddish brown, trigones 

 none. Underleaves contiguous, large, 3 to 4 times broader than 

 the stem, entire, subrotund, upper margin slightly reflexed or 

 retuse, insertion narrow, slightly decurrent. Inflorescence mono- 

 icous. 2 terminal on branches, without innovations. Bracts 



