Nov. 1905 ] The Genera Balansza and Dothichloe, Etc . 
265 
and to my collegue, Dr. E. J. Durand, for saving me some time 
by assisting me with some of the references. 
EXPLANATION OF PLATES. 
The photographs and photomicrographs were made by the 
author. 
The photomicrographs were made with aid of a Zeiss micro¬ 
scope. 
Plate 81. Balansia hypoxylon (Pk.) Atkinson. 
Figs. 1-3 on grass from Texas. Fig. 1, pseudosclerotium 
with stromata magnified about five times the real length and 
diameter. Fig. 2, section of pseudosclerotium and two stromata 
on opposite sides showing deformed stem, leaf and floral ele¬ 
ments in center of pseudosclerotium, and the perithecia near sur¬ 
face of the stromata, still more highly magnified. Fig. 3, ascus 
with spores. Drawn by K. Miyake. 
Figs. 4-6 on Danthonia spicata from Ohio. Fig. 4, pseudo¬ 
sclerotium with stromata magnified about five times the real 
length and width. Fig. 5, section of pseudosclerotium and one 
stroma, showing stem and leaf elements, etc., in the pseudo¬ 
sclerotium, and the perithecia near surface, still more highly mag¬ 
nified. Fig. 6, ascus with spores. Drawn by K. Miyake. 
Plate 82. Balansia hypoxylon (Pk.) Atkinson, on inflo¬ 
rescence of Danthonia spicata, Ohio. 
Fig. 7 showing section through a stroma showing perithecia 
with asci, and a very small portion of the pseudosclerotium. 
Fig. 8, a perithecium in the stroma more highly magnified show¬ 
ing wall, ostiolum and asci with ascospores. Fig. 7, photomi¬ 
crograph with ocular 6, objective 16 mm., the plate holder being 
360 mm. from the object. Fig. 8, photomicrograph with ocular 
6, and objective 3 mm., the plate holder being 360 mm. from the 
object. 
Plate 83. Balansia hypoxylon (Pk.) Atkinson, on inflo¬ 
rescence of grass, Texas. 
Fig. 9, section of stroma with asci and part of pseudoscle¬ 
rotium. 
Fig. 10, perithecium in stroma more highly magnified, show¬ 
ing wall, ostiolum and young asci. 
Fig. 9, photomicrograph with ocular 6 and objective 16 mm., 
the plate holder being 360 mm. from the object. 
Fig. 10, photomicrograph with ocular 6 and objective 3 mm., 
the plate holder being 360 mm. from the object. 
Plate 84. Fig. 11, Balansia vorax (B. & C.) Atkinson, from 
type material of. Dothidea vorax B. & C. from Khasia, India, 
in Royal Herbarium at Kew. Section of a stroma or fruit body 
showing perithecia. Photomicrograph with ocular 6, objective 
16 mm., the plate holder being 360 mm. from the object. 
