31 G 
Mycologia 
The species was described from material gathered by Pere 
Duss in Guadeloupe, and this is the second time it has been 
recorded. 
78. Aecidium circumscriptum Schw. ; Berk. & Curt. Jour. 
Phila. Acad. Sci. 2 : 283. 1853. 
Aecidium Cissi Wint. Hedwigia 23 : 168. 1884. 
On Cucurbitaceae : 
Cissus sicyoides L., Mayagiiez, May 10, 1912, ibis, shis, 
April 30, 9Q5h; San German, Jan. 19, 23a; Luguillo, 
March 21, 1912, 65; Corozal, Feb. 21, 404; Manati, 
Nov. 5, 43oy; Aguado, Nov. 22, 5080; Aguadilla, Nov. 
25, 5225; Jayome Alto, Dec. 3, 5680; Guayanilla, Nov. 
13, 5p/2; Jayuya, Dec. 17, 5980; El Gigante near Ad- 
juntas, Dec. 15, 6012; Cabo Rojo, Dec. 27, 6454; River 
junction below Utuado, Dec. 30, 6503, 6348; Preston’s 
ranch -near Naguabo, Dec. 31, 6759. 
The species on the same host has also been collected in Porto 
Rico by Underwood & Griggs, at Rio Piedras, June, July, 1901, 
238, and by E. W. D. Holway, at San Juan, Jan. 1911. 
Similar specimens have been seen from Jamaica, collected by 
A. S. Hitchcock, Dec. 1890, G. von Lagerheim, Dec. 1892, E. S. 
Earle, Oct. 1902, L. M. Underwood, April, 1903, and September, 
1906, 3302, and E. W. D. Holway, Feb. 1915. 
In the Schweinitz herbarium at the Philadelphia Academy of 
Sciences there is an original unmounted packet inscribed in 
Schweinitz’s handwriting "Aecidium circumscriptum. Surinam.” 
This is undoubtedly type material. It contains five fragments, 
belonging originally to three or four leaves. The largest frag- 
ment is about 6 by 9 cm., and two other of the fragments can be 
put together to show that one leaf was originally ovate, deeply 
cordate and entire, 9 cm. broad by 12 cm. long. About 150 
groups of aecia occur on the specimen altogether, in good repre- 
sentative condition. This material has been studied at the New 
York Botanical Garden and the host pronounced to be Cissus 
sicyoides, Mr. Percy Wilson vouching for the same. 
The Schweinitz material in host and fungus agrees closely in 
