у [Vor. 4 
168 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
at the same temperature for the same interval. The follow- 
ing indicates this: 
Inoculated Discontinued Хо. of days 
Macrosporium commune February 8 February 22 14 
Aspergillus niger ebruary 7 February 21 14 
Glomerella Gossypii February З February 20 17 
Penicillium expansum February 7 February 24 i 
For all species the temperature variation during the in- 
terval of incubation was 20-22? 
TABLE I 
DRY WEIGHTS OF CULTURES ON PLANT DECOCTIONS 
Weight in grams 
I II | III IV V VI | VII 
ч 9 ч = 6 
S Q8 ER. Че йш 
| |5 85 pgs евз: . 
Fungus Е СЕЗГЕНИ Eine Ае ШЕ: 
© > 
ЕЕЕ ЗЕ ПЕНЕН 
5 че оа Р aS Mia lag. 
- re TE 5%- Be Не tit tit а 
= ЕЕ a So) Od) во uo ЕНЕР 
Б [ЕСЕ ОО БОЗ ЕШЕЗЕШЕШЕ 
8 OM] в (| pos POs; Оз 
2 Solva м noat за DUS 
Ф = «е rica ice rica 
Macrosporium commune . | .119 | .119| .562 | .295 |........]......]...... 
Aspergillus niger....... .092 | .092| .239 | .183 | .796 | .653 | .219 вых 
Glomerella Соззурй..... .058 | .058 | .275 | .300 | .337 | .290 | .280 | 7° 
Penicillium expansum...| .070| .070| .214 | .127 |........|......|...... 
Macrosporium commune .| .068 | .018 | .059 | .060 |..............)...... 
Aspergillus niger... .... .055 |.086 | .116 | .085 .492 .171 | .144 | Corn 
Glomerella Gossypii..... .069 | .025 | .094 | .052 .139 .101 | .096 | meal 
Penicillium expansum...| .069 | .026 | .100 | .041 |........!............ 
Macrosporium commune. | .131 | .135| .563 | .231 |........|......|...... 
Aspergillus niger....... .078 | .083 | .152 | .101 | .569 | .412 | .146 Turni 
Glomerella Gossypii . . . .. O14) G4) 24687. 2081 317 | эт те 
Penicillium expansum...| .079 | .077| .125 | .091 |........|......|...... 
Macrosporium commune .| .310 | .257 | .493 | .275 |........|......|...... 
Aspergillus niger....... .239 | .183 | .275 | .182 .921 .467 | .302 | бираг 
ситет Сатурн ЖАРУ :2111.228 | 5211 .369 .478 .268 | .396 | beet 
Penicillium expansum...| .190 | .139| .195 | .137 |........]......]...... 
Macrosporium commune.| .111|.111| .628 | .285 |.................... 
Aspergillus niger....... .073 | .073| .133 | .100 .563 .448 | .188 P 
Glomerella боззурй CM .087 | .087 | .139 | .116 | .203 | .142 | .146 | ^ une 
Penicillium expansum...| .046 | .046 | .128 | .053 |........ү|......|...... 
Macrosporium commune.| .088 | .088 | .661 | .308 |........|......|...... 
Aspergillus niger... .... .069 | .118| .212 | .139 .832 .717 | .197 Potat 
Glomerella Gossypii...... 101} .091] .216 | .225 | .368 | .239 | .185 | 9:20 
Penicillium expansum...| .057 | .055 | .205 | .126 |.................... 
Growth was satisfactory on all media except the corn meal 
decoction, yet the amount of growth was considerably less 
