1924] Lewis,—Flora of Penikese 219 
Septoria oenotherae West. 
Uromyces trifolii (Hedw. f.) Lev. 
F. Bryopnyta (Bv S. F. Cook). 
Aulacomnium palustre Schwaegr. Small quantity mixed with 
Brachythecium. 
Brachythecium acutum Sulliv. Typha and Tern Ponds. 
Bryum argenteum L. General in sandy spots. 
Catherinea angustata Brid. Fairly common on damp soil. 
Ceratodon purpureus Brid. Universal on sandy, exposed spots. 
Dicranum flagellare Hedw. Fairly common on damp soil. 
Ditrichum pallidum (Schreb.) Hampe. Fairly common on damp 
soil. 
Lophocolea heterophylla. One spot, under a moist bank, northeast 
corner of island. 
Mnium punctatum Hedw. Small quantity mixed with Brachythe- 
cium. 
Polytrichum commune L. General in open spots. 
Polytrichum juniperinum Willd. Same. 
Polytrichum piliferum Schreb. Same. 
G. PTERIDOPHYTA (BY ALMA G. STOKEY). 
*Athyrium Filix-femina (L.) Roth. South end of island. 
*Aspidium Thelypteris (L.) Sw. Low wet places, Typha and Tub 
Ponds. 
Dennstaedtia punctilobula (Michx.) Moore [Dicksonia punctilobula 
(Michx.) Gray]. Around reservoir. 
H. SPERMATOPHYTA. 
Pinaceae 
*Pinus sylvestris L. Hospital grounds. 
Typhaceae 
*Typha latifolia L. Typha and South Ponds. 
Najadaceae 
Zostera marina L. Harbor and elsewhere in shallow water. 
(To be continued.) 
1 By John M. Fogg, Jr. Synonyms used by Jordan in brackets. Species marked 
with an asterisk not tound by Jordan. 
