294 Mycologia 



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



cliier asiafica; aeciospores chestnut-brown. 

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



Syn. Gymnosporangium tremelloides Syd., nan 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. pliimosa, 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: 3- M. ^6, 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 ox leap or on green stem, not causing hypertrophy 



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



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

 and Py>us coiimuiiis ; aeciospores yellowish-brown, 18-22 X 18-21 /j. (P. 

 Henn.). 

 Gymnosporangium asiaticum Miyabe, ex Yamada, 1904. 



Syn. Roestelia koreaensis P. Henn. in Monsunia i : 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. 1912. 

 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 /jl (K. Hara). 

 Gymnosporangium hemisphaericum K. Hara. 1917. 



7. Telia depressed-globose or oblate-ellipsoid,- on Juniperus littor'alis; aecia on 



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

 Gymnosporangium Shiraianum K. Hara. 1919 



Undescribed or questionable species reported from Japan 



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

 var. japonica) and 5. sambucifolia var. pseudogracilis (P. aucuparia). 

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

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

 Syn. Gymnosporangium juniperi Ito, 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 pro parte. 



