Evans: HEPATICAE OF PuERTO RICO 225 
Explanation of plates 16 and 17 
The figures were drawn by the writ prepared for publication by Mr. Stanley 
C. Ball. 
PLATE 16 
Diplasiolejeunea pellucida (Meissn.) Schiffn. 1. Part ri a plant, showing a 
perianth borne on a leading branch, postical view, X 25. 2. Ashort branch bearing 
—— ae aeome serene ee mM 35. 3+ —— from _ en — vgs isecar 
line , 
Xx 265. 4. Cells from oacionn a Sebi 265). 5: pees of lobule, X 200. 6. Part 
of an underleaf, x 20 7, 8. Bract and bracteole from a single involucre, X 4 
9. Transverse section io a perianth above the middle, X 35. The figures were all 
drawn from specimens collected by the writer at Morce’s Gap, Jamaica (55). 
Diplasiolejeunea brachyclada Evans. 10. Part of a plant showing two female 
inflorescences an nd a male spike, postical view, X 25. 11. Part of a plant with a 
perianth and an antheridial spike, postical view, X 25. 12. Cells from middle of 
lobe, X 265. 13. Apical portion of a lobule, X 200. 14. page tooth of another 
lobule, xX 200, 1 5. Apex of an ris division, X 200. 16-18. Bracts and 
bracteole from a single involucre, X 45. he figures were “ Sica from specimens 
til i the writer, FIG. 11 being ae the type specimen (24), and the others 
Tom no, 
PLATE 17 
tridentata (Lehm. & Lindenb.) Schiffn. 1. Female branch with 
= innovation, the latter gemmiparous, postical view; X 25. 2. Part of a 
_ with two antheridial spikes, postical view, X 25. 3. Apical portion of a gemmip- 
*rous branch, postical view, X 25. 4. Cells from middle of lobe, X 265. 5. Apical 
Portion of a lobule, X 200. 6, Apical portion of the lobule of a gemmiparous leaf, 
fr Te 7 Apices of underleaf divisions, X 200. 10-12. Bracts and bracteole 
eee , X45. The figures were all drawn from specimens collected 
oF » II, and 12 being from no. 2, and the others from no. 145. 
iolejeunea haihiibiacs Steph. 13. Part of a leading axis, postical view, 
- Apical region of a lobule, X 200. 1 5-17. Bracts and bracteole from a 
he figures were all drawn from specimens collected by 
near Port Margot, Hayti (165). 
_Dipla tol p4. 
