226 Evans : HEPATICAE OF PUERTO RICO 
PLATE I0 
Cyclolejeunea angulistipa (Steph.) Evans. 1. Part of plant with perianth, pos- 
tical view, 35. 2. Part of stem, postical view, 35. 3. Cells from middle of lobe, 
4. Apex of lobe, & 220. 5. Apexof lobule, «220. 6. Underleaf, > 220. 
7. Bract, < 35. 8. Bracteole, * 35. 9. Leaves with gemmae, antical view, < 25. 
10-14. Developing gemmae, 220: in fig. 10 the mother-cell has not yet been cut off 
from the stalk-cell ; in fig, 11 this division has taken place and the mother-cell has di- 
vided by a longitudinal wall; in fig. 12 the two basal cells and the two apical cells may 
be seen ; in figs. 13. and 14a series of segments have been cut off by the apical cells. 15. 
Part of adult gemma, GA the still active a cell, ae basal depression where the 
stalk-cell is attache three marginal rhizoids, >< 2 16, been, gemm 
with a young leafy shoot growing from one m its eee regions, < 50. "oie 
ating gemma, 35. e figures were all drawn from specimens pete: by A. 
Heller (4776, 4738). 
Prionolejeunea innovata Evans. 18. Branch with perianth and antheridial spike, 
postical view, X 35. 19. Part of stem, postical view, 35. 20. Leaf, antical view, 
21. Cells from middle of lobe, & 310. 22. Cells from antical margin of lobe, 
220. 23. Apex of lobe, 220. 24. Apex of lobule, X 220. 25. Part of under- 
leaf, 220. 26, Bract, X50. 27. Bracteole, 50. The figures were all drawn 
from the type-specimens. 
PLATE II 
Prionolejeunea aequitexta Evans. 1. Part of plant with perianth, postical view. 
X35. 2. Leaf, antical view, * 35. 3. Cells from middle of lobe, 310. 4 
Cells from antical ital of lobe, 220. 5-7. pone of lobes, & 220. 8. Apex of 
lobule, ¥ 220. 9. Basal part of underleaf, 220. 10-12. Apices of underleaf- 
divisions, 220. 1 ea ¥yS Biaets;, Se a5. 35. 1G. el asics < 35. 17. Cross- 
section * perianth, 35. The figures were all drawn from the type-specimens. 
oe aemula (Gottsche) Evans. 18. Part of plant with perianth and 
sstoctiied female inflorescence, postical view, 35. 19. Two leaves, antical view, 
MSS. 2 (20. os fis middle of lobe, < 310. 21. Cells from antical margin of lobe, 
> 220. 22. Apex of lobe, x 220.. 23. Apex of lobule, X 220. 24. Part of under- 
eaf, 220. 25. Lateral tooth of underleaf, 220. 26, a Bracts, X 35: 
Bracteole, 35. The figures were all drawn from specimens collected by the writer 
( 103 p- p-) 
PLATE 12 
Prionolejeunea Hlleri Evans. 1. Part of plant with perianth and male inflores- 
cence, apie view, < 35. 2. Part of stem, postical view, < 35. 3. Leaf, antical 
view, X 35. 4. Cells from middle of lobe, X 310. 5. Cells from antical margin of 
lobe, 220. : Apex of lobe, X 220. 7. Apex of lobule, X 220. 8. Underleaf, 
220. g-II. 2 = 50. 12, 13. Bracteoles, X50. The faviies were all drawn 
from pay wise specim 
onolejeunea mesa ot Evans. 14. Part of plant with perianth, postical 
view, ee 35. 15. Leaf, antieal view, 35. 16. Cells from middle of lobe, ly 310. 
17. Cells from antical margin of lobe, 220. 18, 19. — of lobes, 220. 20 
Apex of lobule, < 220. 21. Part of underleaf, 220. 22. Apex of sean -di- 
vision, < 220. 23-25. Bracts, & 35. 26, 27. aa < 35. 28. Cross-sec ction 
of perianth, < 35. The figures were all drawn from the type-specimens. 
