527 



On living leaves of Cytisus laburnum (hosp. nov.). J. Narholm (^^/9 03 see 

 R 05 b 312 c. icon.). 



Septonema. 



3112. Septonema secedens Cda., Syll. W""', Ldau IX=». 

 On bark of Betula verrucosa. S. Sore (Wodschou). 



Helminthosporium. 



The ascigerous form of fructification corresponding to the forms of 

 Helminthosporium is often to be found in the genus Pleospora see 

 pag. 226. 



3113. Helminthosporium obliquum Karsten, Syll. X^^^ 

 On wood of Pinus silvestris. S. Kabenhavn. September. 



3114. Helminthosporium gramineum Rabh., Syll. X *^^, Ldau 

 IX'", Syn: Napicladium hordei R 88 a 6. 93 d "° c. icon., Scolecotri- 

 chum hordei R 86 d ^ Byggets Branddug R 93 d "°, Byggets Stribe- 

 syge (R 99 c '1 a F. K. R. 01 c. icon.), Lit: R02 a'"^ c. icon., 05 e ^=^ 

 M. L. M. June 11 etc. 



Common on leaves and sheaths of Hordeum sativum. 



3115. Helminthosporium teres Sacc, Syll. IV ''^ Ldau IX ^\ 

 Syn: "Helm, gramineum" R 99 c '\ Byggets Bladpletsyge (R 99 c "). 

 Byggets Helminthosporiose (F. K. R. 01 ^'"'}, Lit: R 02 a ^^^ c. icon. 



Very common on living leaves of Hordeum sativum, June— October. 



3116. Helminthosporium avenae (Briosi &. Cavara) Eidam, Ldau 

 IX 3^ Syn: Helm, teres form, avenae Briosi &. Cav., Havrens Hel- 

 minthosporiose (F. K. R. 01), Lit: R 02 a«i2 



On living leaves of Avena sativa, June— October. 



3117. Helminthosporium setariae spec. nov. See tab. IX. 

 Macuhs laete atro-brunneis, amphigenis, oblongis, immarginatis, 



subinde confluentibus, utrinque visibilis; caespitulis hypophyllis, 

 conidiophoris erectis, cylindraceis, simplicibus, 2— 4-septatis, non con- 

 strictis, deorsum incrassatis, sursum denticulatis, 72—110 1^ X 7—8 H-, 

 olivaceo-brunneis, apice pallidioribus. Conidiis acrogenis, oblongo- 

 ellipticis, utrinque rotundatis, rectis vel inaequilateralibus, 8— 9-septatis, 

 non constrictis, olivaceo-bruneis, (44—) 72—83 (^ X 16—18 f^, eguttu- 

 latis. 



On living leaves of Setaria viridis f. italica. J. Studsgaard (^^/g 09 M. L. M.). 



3118. Helminthosporium arundinaceum (Cda.), Syn: Helmi- 

 sporium ar. Cda., Napicladium ar. Sacc, Syll. IV "'2, Ldau IX ^^ c. icon.. 

 Lit: R93d"^ 02 a ^^l 



Common on leaves of Arundo phragmites, June— September. 



