iMICHIGAN AflADKMY OF SCIENCE. 301 



Theissen, F. Ueber Membranstrukturen bei den Microthyriacecn als Grund- 

 lage fiir den Aiisbau der Hemisphseriales. Myeologisehes C'entralblatt 3: 

 273-286. PI. 1. 1913. 



Contains keys to the families of the order and to the genera of the fami- 

 lies Mierothyriaceae and HeniisphsBriaceae. 



Theissen, F. Lembosia-Studien. Ann. Myc. 11: 425-467. PI. 20. Nov. 

 1913. 



Theissen, F. Trichopeltacese n. fam. Hemisphserialium. Centralblatt fiir 

 Bakteriologie, II. Abteilung. 39 j 625-640. 1 pi, 7 figs. 1914. 



Theissen, F. and Sydow, H. Die Ga,ttung Parodiella. Annales Mycologici 

 15: 125-142. 1917. (Pseudosphaeriaceae). 



Besides those, there have appeared by the foregoing author numerous 

 small(T papers, preparatory, in a manner, to his monographic work. 

 Professor von Hohnel, also, has published a vast amount of critical 

 work on various groups, some of the papers touching this order being 

 listed below. This list is especially fragmentary because of inaccessibility 

 of literature on account of the War. 



von Hohnel, Franz. Fragmente zur Mykologie. Attention may be called 

 to the following papers under this title : 

 IV. Mitteilung. Sitzungsberichte der Math. Naturw. Klasse der K. 



Akademie der Wissenschaften (Wien) 116: 615-647. 1907. 



Discussion of the family PseudosphiEriacese. 

 VI. Mitteilung. Ibid. 118: 275-452. PI. 1 , Figs. 1-36. 1909. 



Revision of Family Myriangiacete and of the genus Saccardia, and 



of Family Cookellaceae. Discussion of the relationship of these to 



the Pseudosphaeriaceae and Dothideaceae. 

 X. Mitteilung. Ibid. 119: 393-473. 1910. 



Contains key to the didymosporous Mierothyriaceae. 

 XI. Mitteilung. Ibid. 119: 617-679. 1910. 



Key to genera of Capnodiaceae and to those Dothideacese with 



superficial ascus stroma. 



Order Dothideales. 



Theissen, F. imd Sydow, H. Die Dothideales. Annales Mycologici 13: 149- 

 746. Pis. 1-6. 1915. 



A very fine piece of work, completely superseding all previous work on thii 

 group of plants. 



Stevens, F. L. and Dalby, Nora. Some Phyllachoras from Porto Rico. 

 Botanical Gazette 68: 54-59. Ph. 6-8. 1919. 

 A description, with good figures, of a number of species of thia genus. 



Order Perisporiales. 



See Theissen F, Synoptische Tafeln, above. 



