PLATE 14 
Helminthosporium dematioideum 
A.—Portion of plant of Anthoxanthum odoratum, with leaves withered and bearing 
fructifications of H. dematioideum. X^. 
Ba-h.—^Conidia from withered leaf of Anthoxanthum odoratum, showing variation 
in size, shape, and septation. X500. 
Ca-g.—Conidia from withered leaf of Anthoxantum odoratum germinating in water, 
atypically {Ca, c-g) by the production of one to three germ tubes from the basal seg¬ 
ment, and typically {Cb) by production of one germ tube from apex, owing to death 
of basal segment. X500. 
Da-c.—Conidiophores of H. dematioideum from leaf of Anthoxanthum odoratum. 
Xsoo- 
Helminthosporium triseptatum 
E-—Portion of plant of Notholcus lanatus with lower leaves withered and bearing 
fruetifications of H. triseptatum. 
Fa-f.—^Conidia from leaf of Notholcus lanatus showing variation in size, shape, 
and septation. X500. 
Ga-e.—Conidia from leaf of Notholcus lanatus germinating in water by the pro¬ 
duction of one or two germ tubes from basal end. X500. 
Ha-c.—Conidiophores from leaf of Notholcus lanatus showing loeal ring-like thick¬ 
enings of wall immediately below points of attaehment of successive spores. X500. 
