1886.] 



HEPATICAE XATALENSES. 



5 



1. Frullania squarrosa N J ? or a nearly allied spedes. 



A stem or two picked out from amongst other species. 



„yery slender as J plants of Frullania often are and 

 underleaves not so broad as in S. American specimens". E. S. 

 Hab. Isalislasi mountain near Umpumulo. 



2. Lejeunea (Drepano-Lejeunea) hamatifolia (Hook). 



Measurements. Stems from an Vs to inch, diam. .03 

 mm to .04 mm; leaves 2.5 mm long X .1 mm broad, 2.9 

 mm long X 2. mm broad with lobule flattened out, 2.75 

 X 2.25, ditto; lobule .15 mm high X -075 mm broad .125 

 X .1; cells .02 mm X .0175 mm, .017 X .0125, .0125 X 

 .0125;- underleaves .1 mm long, segments .075 mm, .075 mm 

 .05 mm long. 



Hab. Growing parasitically on a Flagiocliila near Umpumulo. 

 Obs. Agrees almost exactly with our British form. 



Description of Tab. I. Fig. 1. Plants nat. size. 2 — 3. 

 Portions of stems with leaves X 85. 4. Portion of stem 

 X 85. 5—8. Leaves X 85. 9—12. Leaves with lobules 

 flattened out X 85. 13. Portion of leaf X 85. 14. Portion 

 of leaf X 290. 15—25. Underleaves X 85. 



3. Lejeunea (Eu-Lejeunea) flava, (Sw.) var. convexiuscula, 

 Pears. 



Hab. Isalislasi mountain and by a river near Umpumulo. 



Obs. Biffers from the type and other forms by the 

 leaves being more erect and more convex, lobule smaller 

 and segments of underleaves sometimes very obtuse (Lejeunea 

 convexiuscula Pears. mss.). For an admirable description 

 of this species see Spruce „Hep. Amaz. et Andin." p. 268. 



Description of Tab. II. Fig. 1. Plants nat. size. 2. Portion 

 of stem antical view X 31. 3. Ditto, postical vie w, X 64. 

 4. Lobules X 85. 5. Portion of leaf X 290. 6—9. Under- 

 leaves X 85. 10. Bract X 85. 11. Ditto X 24. 12. 

 Bracteole x 24. 13. Perianths X 24. 14. Cross-section of 

 perianth x 24. 15. Perigonial leaf X 85. 



