294 



Mycologia 



3. Telia on fusoid swelling of the stem of Juniperus rigida ; aecia on Amelan- 



chier asiatica ; aeciospores chestnut-brown. 

 Gymnosporangium Idetae Yamada ex K. Hara, 1916, 1921. 



Syn. Gymnosporangium tremelloides Syd., non Hartig. (Ex Hara.) 

 G. juniperinum Shirai pro parte, non Fries. (Ex Hara.) 



4. Telia on fusoid swelling of the stem of Chamaecyparis pisifera, Ch. pisifera 



var. plumosa, and Ch. pisifera var. squarrosa ; aecia on Pyrus Miyabei 

 and P. Aria var. kamaoensis ; aeciospores yellowish-brown. 

 Gymnosporangium Miyabei Yamada & Miyake in Shok. Zass. (Bot. Mag.) 

 Tokyo, 22253; 21-28. Feb., 1908. 

 Syn. Roestelia solitaria Miyabe in Shok. Zass. 17192 : 35 M. 36, ii, Feb., 

 1903. (Ex Yamada & Miyake.) 

 R. solenoides Diet, in Engl. Bot. Jahrb. 32: 631. June, 1903. 



(Ex Yamada &. Miyake.) 

 Gymnosporangium solenoides Kern in Bull. N. Y. Bot. Gard. 

 7: 450. Oct., 1911. 

 II. Telia on leaf or on green stem, not causing hypertrophy 



5. Telia conic or spheric, on Juniperus chinensis, J. chinensis var. procumbens, 



and /. rigida ; aecia on Pyrus sinensis, Cydonia vulgaris, C. japonica, 

 and Pyrus communis ; aeciospores yellowish-brown, 18-22 X 18-21 /a (P. 

 Henn.). 



Gymnosporangium asiaticum Miyabe, ex Yamada, 1904. 



Syn. Roestelia koreaensis P. Henn. in Monsunia 1 : 5. 1900. (Ex 

 Yamada.) 



Gymnosporangium japonicum Shirai, non Syd. pro parte. 



G. confusum Diet., non Plowr. pro parte. (Ex Ito, 1917.) 



G. spiniferum Syd. (Ex Ito, 1917.) 



G. haraeanum Syd. 19 12. 



G. chinensis Long. (Ex Kern, Jackson). 



G. koreaense Jacks. 1916. 



6. Telia oblate or hemispheric, on Juniperus chinensis; aecia on Pyrus Zumi; 



aeciospores yellowish-brown, 20-28 X 18-25 fx (K. Hara). 

 Gymnosporangium hemisphaericum K. Hara. 1917. 



7. Telia depressed-globose or oblate-ellipsoid, on Juniperus lit t oralis ; aecia on 



Pyrus sinensis ; aeciospores yellowish-brown, 18-23 X 16-18 fi (K. Hara). 

 Gymnosporangium Shiraianum K. Hara. 1919 

 Undescribed or questionable species reported from Japan 

 1. Telia on Juniperus nipponica ; aecia on Sorbus japonica (Pyrus aucuparia 

 var. japonica) and S. sambucifolia var. pseudo gracilis (P. aucuparia) . 

 Gymnosporangium alpinum Yamada ex Hara in Byochu-gai Zasshi (Journ. 

 PI. Prot.) 69: 754. T. 8, ix, Sept., 1919 (nomen nudum). 

 Syn. Gymnosporangium juniperi ltd, non Link, based upon Miyabe 

 (1903) and Ideta (1911). In Byochu-gai Zasshi 4* : 246. T. 

 6, iv, Apr., 1917 (Japanese). (Ex Hara, 1. c.) 

 G. juniperinum Miyabe, Shok. Zass. 17: (35), non Fries (Aecia 

 only; on Pyrus aucuparia. 1903). Ideta; aecia on Sorbus 

 japonica, telia on Juniperus nana (?) 191 1. Also Yamada,. 

 1904, p. 308; Shirai List ed. I, p. 39 P r o parte. 



