126 NortH AMERICAN SORDARIACEAE 
Zukal, Hugo. Entwicklungsgeschichtliche Untersuchungen aus dem 
Gebiete der Ascomyceten. Sitzungsb. der Kais. Akad. Wissensch. 
(Wien), 98': 518-603. Al. 7, 2. 1889. 
—— —— Mykologische Mittheilungen. Oest. Bot. Zeitschrift, 1893. 
pp. 168, figured (Review in Hedw. 32 : 411. 1893). 
Ueber einige neue Pilze, Myxomyceten und Bakterien. Ver- 
hand. K. K. zool. bot: Gesellschaft, 35 : 338. 7. z5. f. T- 1885. 
Explanation of Plates 
NOTE : Where no magnifications are given an chops of 35 diameters for 
deen 230 for asci and 310 for spores is to be understood. The illustrations were 
dra a magnification double that here given and یں جو‎ one half in the process 
of سوا‎ 
PLATE I 
I. Ascus of Delitschia Winteri which was ruptured near the base by rough treat- 
ment, X 23 
pesa of Delitschia furfuracea ruptured under the cover-glass, 230. 
3. Expanding ascus of Pleurage zygospora, X 230. 
4. Expanding ascus of Pleurage vestita. 
5. Outline of the apex of the expanding ascus of Pleurage Kansensis. 
6. Perithecium of Pleurage curvicolla grownin a shaded place and its en 
changed several times causing the heliotropic curvatures and elongation of the 
ly the three asci having dark spores are shown. One is seen a little in Bio of 
the others and they are all twice as long as the younger hyaline-spored asci which are 
not represented and could not be seen, X 35. 
7. Perithecium of Pleurage minuta, showing expanding asci, X 50. 
8. win f perithecium of Pleurage hits, showing a protruding ascus, X 230. 
erithecium of Pleurage curvicola, showing outline of expanding asci. There 
are m 4 asci with dark colored spores, 50. 
PEATE 2 
Apex of کت‎ of Sporormia Dakotensts in the act of discharging spores, 
کت‎ The draw was made with acamera lucida while the perithecium was 
mounted in water. "The position of each ascus was marked and one drawn with the 
camera; the others were then traced in the proper positions. The loose spores were 
traced in as nearly as vipera similar positions to those assumed by ejected spores. 
The relative eg was obtained by measurement 
f Sporormia inte in process of eruption. 
map of Sporormia Americana in process of eruption. 
Apex of perithecium of Sp»rormia intermedia in بجوم‎ of eruption. 
Ascus of Sporormia corynespora in process of e n. 
An ascus of Sporormia megalospora وج‎ at ۶ base by rough treatment. 
Ascus of Sporormia leporina in process of eruption. 
Ascus of Sporormia minima is process of eruption. 
Ascus of Sporormia herculeain process of eruption. 
N 
ERN Bess 
