ioo Baker .-—On the Vascular Cryptogamia 
Polypodium serrulatum , Mett. Common on trunks at a high level. 
P. Hartii \ Jenm. Rare on trees, 1700-2400 feet. Only seen before 
in Jamaica and Dominica. 
P. trichomanoides , Sw. Rare. 
P . jubaeforme, Kaulf. Common on trunks. 
P. cultratum , Willd. One place on St. Catherine’s peak. 
P. pendulum , Sw. Frequent on trunks. 
P. suspensum, L. Common on trunks. 
P. taxifolium , L. Not common. 
P. pectinatum, L. Common. 
P. sororium, H. B. K. Common on trees. 
P. vacciniifolium , L. & F. Frequent on trees at low levels. 
P. loriceum, L. Frequent on trees. 
P. neriifolium , Schk. Frequent on trees. 
P. incanum , Sw. Rocks near the prison. 
P. piloselloides , L. Common on trees. 
P. aureum , L., var. P. areolatum , H. B. K. Common on trees. 
P. repens , L. Frequent on trees. 
P. Phyllitidis , L. Common on trees. 
P. lycopodioides , L. Frequent. 
Monogramme seminuda,~Bdker, Bellevue and Grand fitang districts only. 
Gymnogramme calomelanos , Kaulf. Common. 
G. elongata , Hook. Common on trees. 
Vittaria lineata , Sw. Not common. 
V. remota , Fee. Fine on trees at Birch Grove. 
Antrophyum lanceolatum , Kaulf. Common. 
Meniscium reticulatum , Sw. One of the commonest ferns in the island. 
Hemionitis palmata , L. Very rare. 
H. citrifolia , Hook. Common and very fine. 
Acrostichum Sherringii, n. sp. Rootstock suberect; paleae scarcely 
any. Sterile frond linear, 6-9 in. long, f-f in. broad at the 
middle, thin, bright green, glabrous, the short stipe distinctly 
but narrowly winged nearly or quite to the base ; veins distant, 
erecto-patent, simple or forked. Fertile frond narrower, with a 
very long slender naked castaneous stipe. T wo places only, on trees 
in the forests on St. Catherine’s peak. — Near A. simplex , from 
which it differs by its thin texture, more distant veins, winged 
stipe of the sterile frond, and very long stipe of the fertile frond. 
Fruits in May and June. 
