Feb. 28, X916 
An Asiatic Species of Gymnosporangium 
1009 
not planted, it would be necessary to hold all imported plants in quaran¬ 
tine until the following spring at least, in order to detect the presence of 
G. koreaense and until the second spring for the detection of G. photiniae . 
All trees found diseased should be destroyed, and in case the rust becomes 
established in any locality it would be advisable to remove the telial host. 
LITERATURE CITED 
(1) Clinton, G. P. 
1913. Notes on plant diseases of Connecticut. In Conn. Agr. Exp. Sta. Ann. Rpt. 
1912, pt. 5, p. 341-358, ph 17-20- 
(2) - 
1914. Notes on plant diseases of Connecticut. In Conn. Agr. Exp. Sta. Ann Rpt. 
1914, pt. 1, p. 1-29. 
(3) Hara, K. 
1913. [Gymnosporangium.] In Bot. Mag. [Tokyo], v. 27, no. 319, p. (348). 
(4) Ito, Seiya. 
1913. Kleine Notizen liber parasitische Pilze Japans. In Bot. Mag. [Tokyo], v. 
27, no. 323, p. 217-223. 
(5) Long, W. H. 
1914. An undescribed species of Gymnosporangium from Japan. In Jour. Agr. 
Research, v. 1, no. 4, p. 353-356. 
(6) Miyabf, K. 
1903. [On a species of Gymnosporangium found in Japan.] In Bot. Mag. [Tokyo], 
v. 17, no. 192, p. (34). 
(7) Shirai, M. 
1900. Uber den genetischen Zusammenhang zwischen Roestelia koreaensis P. Henn. 
und Gymnosporangium japonicum Sydow. In Ztschr. Pflanzenkrank., 
Bd. 10, Heft 1, p. 1-5, pi. 1-2. 
