460 
Perithecia superficial, gregarious, globose, 14 mm. diam., col- 
lapsing above, clothed, especially below, with brown spreading 
hairs ; asci cylindrical, short-stipitate, paraphysate, 8-spored, 100- 
110X12-15 #; sporidia subbiseriate, oblong- or ovate-elliptical, 
yellow, 5-7-septate, with a longitudinal septum running through 
most of the cells, often constricted in the middle but not at the 
other septa, 20-27 XI I-13 p. 
Differs from 7: crossata E. & E. in its much larger, 5—7-sep- 
tate sporidia and strigose coat. 
CUCURBITARIA QuERCINA E. & E. 
On dead limbs of Quercus undulata, Greenhorn, Pueblo Co., 
Col., July, 1897. (Bethel, no. 337.) 
Perithecia gregarious or subcespitose, seated on the bare wood 
or erumpent through cracks in the bark, depressed-globose, in- 
clining to ovate-globose, 400-500 » diam., minutely roughened, 
becoming slightly collapsed around the papilliform ostiolum, so as 
to appear flattened above; asci short-stipitate, cylindrical, para- 
physate, 8-spored; sporidia uniseriate, ovate-elliptical, 3—5-sep- 
tate, sometimes constricted in the middle, yellow-brown, 18-20 X 
8-10 p. 
CUCURBITARIA MINIMA E. &. E. 
On dead stems of Artemisia tridentata, near Gunnison, Colo., 
June, 1897. (Bethel 3112.) 
Perithecia subcespitose, 3-6 together, or subseriate, small, about 
\% mm., ovate-conical, often with 1-4 furrows or grooves extend- 
ing from the apex down; ostiolum’papilliform; asci cylindrical, 
short-stipitate, paraphysate, 8-spored, 75-85X10-12 »; sporidia 
overlapping, uniseriate, oblong, 5-7-septate, scarcely or only 
slightly constricted, straight, 18-20X6~7 yp. 
LOPHIOTREMA INCIsuM E. & E. 
On dead shoots of Rides prostratum? Empire, Colorado, May, — ne 
1897. (Bethel, no. 257 a.) 
Perithecia thickly scattered, sunk in the bark with the cleft or 
quadrisulcate apex erumpent in a small tubercle, white and solid 
inside, 300-350 # diam., often 2-3 lying close together and 
covered by the same tubercle, not penetrating to the wood ; ostio- 
lum subcompressed ; asci cylindrical, 75-100%10-12, short- — = 
stipitate, paraphysate ; sporidia uniseriate or quite as often biseri- 
ate, cylindrical, obtuse, 3-4-nucleate, constricted between the 
nuclei, uniseptate and more deeply constricted in the middle, 15- 
20% 5-6 ps. 
Approaches Dothidea and Didymella. 
