147 



Fig. 12. Hypoderma brachysporum 



on leaves of Pinus strobus, d, perithecium enlarged, 



b, ascus -j-, c, ascospore -p. From R 02 a. 



It clearly differs from Lop- 

 hod, pinastri by its shorter 

 asci and sporidia. The descrip- 

 tion does not occur with Sac- 

 cardo nor with Rehm but 

 with Tubeuf (02^^). Rostrup 

 mentions it early (83 d "', 85 

 a ''^ 6^ 87 j; see also Dalgas 

 88 ^=5), but he did not de- 

 scribe it till 1889. Specimens 

 of this fungus from Denmark 

 are already contained in Schu- 

 macher's herbarium from the 

 beginning of the 19th. cen- 

 tury. Concerning its distribu- 

 tion here and abroad see R 

 96 q; it chiefly affects trees 

 growing in meagre soil or 

 exposed to flooding (see R 

 88 k «, 89 k, Helms 93). Its 

 asci and spores are ripe in 

 April; it will just as readily 

 attack the leaves of seedlings as those of large trees. 



Abies alba common. Picea excelsa very common £. inst. Tisvilde (H. M. 

 90 ''^^). Picea canadensis common. Picea sitchensis.. S. Seholt (Jespersen), As- 

 serbo. Picea morinda. S. Holbaek (Wichfeld). Pseudotsuga taxifolia. F. Glorup. 

 Taxus baccata. J. Hallund Segaard (R % o ''22). 



532. Lophodermium pinastri (Fries) Chev., Syll. II "^ Rehm III "^ 

 c. icon., Syn: Hysterium pinastri Schrader, Fries 

 S. M. II =", Hyst. pini Schum. no 1258, Fl. D. 

 tab. 2331 fig. 2, Naale-Spraekkesvamp (R 69"), 

 Fyrrens Spraekkesvamp (R 79 b «"). Lit: R 79 

 b c. icon., 81 b, 83 d, 85 o ^ 86 1 '"■\ 89 a ^^ c. 

 icon, 90 a 2°°, 91 e, 93 a ™, 96 q ^'\ 02 a 5^^ Dal- 

 gas 82 a a b, Tubeuf 02 c. icon., Bruun 11 ''I 

 Rostrup took a great interest in this fungus 

 and its significance to the cultivation of Pinus 

 in Denmark. No doubt he was the first to 

 realize that the disease formerly called "Schiitte" 

 was caused by attacks of this fungus. Rostrup 

 abietis on leaves of Picea proved thatPinus austriaca and several other 

 excelsa (c 6. d enlarged. species were particularly exposed to its attack 

 From R 02 a. and consequently ought not to be cultivated. 



10* 



Fig. 13, Lophodermium 



