ENDOTHIA PARASITICA AND RELATED SPECIES. 31 
width from 1.76 to 1.85 microns are included under 1.8. The rela- 
tive shapes of the spores in each specimen are thus clearly shown. 
TaBLe I.— Measurements of pycnospores and asci of Endothia. 
PYCNOSPORE MEASUREMENTS, 
Number per specimen having the given length or width. 
Specimens. Li Widths (mi- 
engths (microns). crons). Total. 
2/25) 8 13.5] 4 14.5! 5 |5.5] 6 6.5] 7 | 1 11.5] 2 J 25 
i 
11| 4 ae 2 
9] 3 esi! it 
11} 3). = 24 
6] 4]. ais 14 
8] 11 é 25 
1] 6/12 25 
1| 3] 5 a 12 
--|--.-| 2] 5] 8 e 16 
E. longirostris.............2.... a1 8) &] 4] & oS 14 
E. tropicalis.......-....-...... seeefeeee}eee-] 2] 5 3 25 
E. parasitica, No. 1696.....-... seee[e---| 1] 6] 11 Be 25 
LENGTHS OF AScI (MICRONS). 
Number per specimen having the given length. 
Specimens. No. \Total. 
25 30, 35 40 45 50 55 60 
Endothia fluens on Castanea............ 22 
DOscesceceeseeseee esses 26 
Do... 11 
IDO. essences scenes 26 
E. fluens on dead Castanea... ... 26 
E. fluens on Castanea, Stresa, Italy. 25 
E. fluens on Quercus. .-..-.---... 2 : 5 
DO 2 steonseieetmanis tt aaretiain tine aesnarnie 4 
E, fluens mississippiensis, Blue Moun- 
PTW MASS oe orase Sencha aiatetsole ess vise cin nie 22 
E. Parasites on Castanea. .. : Fi P 
Dn ne eee enw newene ao josctazsece 
E. parasitica, China...-........-..------ 27 
E. gyrosa on Quercus.....-..----------- 8 
E. gyrosa on Liquidambar............-. 6 es 25 
E. singularis, Palmer Lake, Colo eae Bere a a 
E. longirostris, Porto Rico.....-.------ + 25 
E. longirostris, French Guiana... ....... tf 
TE TROPICS. cine ein-ncicminsion rami nib we oot 6 
WIDTHS OF ASCI (MICRONS). 
Number per specimen having the given width. 
Specimens. Total. 
4 5 > 6 7 8 9 10 
Endothia gyrosa.....-.-------------- it 
E. si aris...... - ia 
E. fluens, Europe... a 
E. fluens, America. . -- i‘ 
E. fluens mississippiensis. i 
E. longirostris, Porto Rico... -- ; 
E. longirostris, French Guiana. a 
E. tropicalis. .... genes is io 
E. parasitica, China. ..-. 1D 
E. parasitica, America.......-.------ 
