[VOL. 2 



54 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



PUCCINIA URBANIANA P. Henn. 



On Valerianodes strigosa (Vahl) Kuntze 



UREDO BIOCELLATA Arth. 



On Pluchea purpurascens (Sw.) Kuntze 



UREDO CAMELIAE Mayor. 

 On Chaetochloa setosa. 



Many parasitic fungi collected by Professor Stevens have 

 not yet been determined. 



ALGA 

 (Determined by Professor N. Wille) 



SCYTONEMA OCELLATUM Lyngb. 

 Flat limestone plateau, Ubero. 



Recapitulation 



Species indicated in the foregoing list 292 



Deduct thallophytes (distribution little known) 47 



245 



Deduct undetermined and doubtfully determined species 12 



233 

 Deduct certainly introduced species 8 



225 

 Deduct endemic species 4 



221 



In common with Porto Rico 211 



" Hispaniola 185 



" Bahamas 155 



" Curacao 87 



Species other than Endemic Ones and Thallophytes not 

 known on Porto Rico (including Desecheo, Culebra 

 and Vieques) 



Cenchropsis myosuriodes : Bahamas ; Cuba. 



Domingoa hymenodes : Hispaniola ; Cuba. 



Caesalpinia domingensis : Hispaniola. 



Guilandina melanosperma : St. Croix. 



Dodonaea Ehrenbergii : Bahamas ; Hispaniola ; Cuba. 



