150 ASCOMYCETES. 



T. ftava (Farl.) on B. populifcra and B. papyracea in 



North America. 

 T. tvryida (Sad.) on B. mrrucosa in Germany and Tyrol. 



(b) On Alnus: 



T. cpiphi/Ua (Sad.) on A. incana in Europe. 

 T. Sadcbeckii (Johan.) on A. ylutinosa in Europe. 

 T. Eobinsoniana (Giesh.) on A. incana in U.S. America. 

 T. Tosquinetii (Magn.) on A. ylutinosa in Europe. 

 T. alui incanae (Magn.) on A. incana in Europe. 

 (T. aim ylutinosae (Tubeuf) on A. ylutinosa in Italy, 

 Sweden, and Denmark.) 



(c) On Cupuliferae : 



T. ostryac (Mass.) on Ostrya carpinifolia in Tyrol and 



Italy. 

 T. viryinica (Sey. et Sad.) on Ostrya viryinica in North 



America. 



T. carpini (Eostr.) on Carpinus Bctulus in Europe. 

 T. australis (Atk.) on Carpinus amcricana in North 



America. 



T. Kruchii (Vuill.) on Quercus HCM in Italy and France. 

 T. cocrulescens (Tul.) on Quercus sessiliftora, Q. pcditn- 



culata, Q. pubescens, Q. alba, etc., in Europe and 



America, 

 (rf) On Salicaceac : 



T. aurea (Fries.) on Populus niyra, P. pyramidalis and 



P. monilifera in Europe and North America. 

 T. Johansonii (Sad.) on Populus tremula, P. tremuloides, 



and P. yrandidentata in Europe and North America. 

 T. rhizopJwra (Johan.) on Populus alba in Europe. 



o. Prunus-stem on Rosaceae : asci slender and club shaped. 



(a) On Pomaccac : 



T. cratacyi (Sad.) on Cratacyus Osyeantha in Europe. 

 T. bullata (Tul.) on Pyrus communis and Cydonia japonica 

 in Europe. 



(b} On Pruneae : 



T. deformans (Tul.) on Pcrsica vulyaris and Amyyilidus 



communis in Europe and North America. 

 T. minor (Sad.) on Prunus Chamacccrasus near Hamburg 



and Munich. 



