Arthur: Uredinales of Porto Rico 
19 
135. PucciNiA Cladii Ellis & Tracy, on Mariscus jamaicense 
(Crantz) Britt. (Cladium effusiim Torr.) (Cyperaceae) , 
Bermuda. 
136. PucciNiA OxALiDis (Lev.) Diet. & Ellis {Argomyces ( ?) 
Oxalidis Arth.), on lonoxalis Marticna (Zucc.) Small 
(Oxalidaceae) , Jamaica. 
137. PucciNiA OPULENTA Speg., on Exogottium arenarium 
(Steud.) Choisy (Ipomoea arenaria Steud., I. Steudeli 
Millsp.) (Convolvidcaeae) , St. Thomas, March, 1913, J. 
N. Rose. 
138. PucciNiA Spilanthis P. Henn., on Spilanthes oleracea 
Jacq. {Carduaceae) , Martinique. 
139. PucciNiA Spegazzinii DeT., on Mikania scandens (L.) 
Willd. {Carduaceae), Martinique, Aug. 4, 1913, F. L. 
Stevens sgpi. 
140. Uredo Anthephorae Sydow, on Anthephora hermaphro- 
dita (L.) Kuntze (A. elegans R. & S.) {Poaceae) , Cuba. 
141. Uredo Heliconiae Diet., on Bihai psittacorum (L. f.) 
Kuntze {Heliconia psittacorum L. f.) {Scitamineae) , Mar- 
tinique, Aug. 4, 1913, F. L. Stevens 2 g 6 p. 
142. Uredo Wilsoni Arth., on Anastrophia bahamensis Urban 
(Podostemaceae) , Bahamas. 
Appendix 
Since the study was completed of Professor Stevens’ Porto 
Rican collections of 1 91 2-14, and a large part of the article in 
type, additional collections made by Professor Stevens during 
June, July and August, 1915, have come to hand. In this sup- 
plementary lot of Porto Rican material there are some 254 num- 
bers, representing about 78 species. A part of the new material, 
as would be expected, duplicates that previously secured, but in 
many instances it was obtained in new localities. In some cases 
a species was found not previously known from Porto Rico, or 
on an unrecorded Porto Rican host. The new material has, fur- 
thermore, proved surprisingly rich in species heretofore quite un- 
known to science. 
In order to make the account of the Porto Rican rusts as com- 
