292 ; BOTANICAL GAZETTE [NOVEMBER 
Fic. 27.—Hyphae of Brazil nut Aspergillus bearing sterigmata; X 500. 
Fic. 28.—Hypha of Brazil nut Aspergillus bearing short stalked conidio- 
phores; X 500. 7 
Fic. 29.—Conidia of Brazil nut Aspergillus; 500. 
Fic. 30.—Mature conidiophores of Brazil nut Aspergillus; X 500. 
Fic. 31.—Hyphae showing branching habit and anastomosis, Brazil nut 
Aspersillas X 500 
32. Baty stages of conidiophores of Brazil nut Aspergillus; X 500. 
PLATE XI 
Fic. 33-—Microtome section of normal nut kernel showing tissues named 
in order, beginning at top: endosperm, epidermis, cortex, procambium, and 
medulla; x5 
FIG. 34 _-Microtdyss section of Brazil nut affected by Pellioniella macro- 
spora n. sp., showing dense mycelial growth in endosperm region; X 1000. 
Fic. 35.—Microtome section of Brazil nut affected by P. macrospora n. sp., 
hovide relation of fungus to host tissues; 500 
Fic. 36.—Germinating conidia of ‘Litheuncas brasiliensis n. sp.; 1000. 
Fic. 37.—Hyphae and conidia, Aciinomyces brasiliensis n. sp.; > 1000. 
Fic. 38.—Vegetative cells of Brazil nut bacillus; 1000. 
Fic. 39.—Colony of Brazil nut bacillus growing near glass in cornmeal 
agar plate; >50. 
1G. 40.—Deep colony of Brazil nut bacillus n. sp.; X 50. 
Fic. 41.—Surface colony of Brazil nut bacillus n. sp.; X50. 
"PLATE XI 
Fics. 42-49, and 51 are of a Fusarium which causes dry rot of Brazil nuts. 
Fic. 42.—Conidial variation and anastomosis; 500 
Fic. 43.—Typical hyphae showing difference in size asd branching habit; 
Fic. 44.—Hyphae bearing single conidiophores and conidia anastomosed 
to hyphal cells by germ tube; X 500 
Fic. 45.—Terminal SE REES X 500 
Fic. 46.—Germinating conidia in hanging dca culture; 500 
Fic. 47.-—Anastomosing conidia and hyphae from culture site: X 500. 
Fic. 48.—Anastomosis of germinating conidia in hanging drop; 500. 
Fic. 49.—Conidia ‘ie bcupiaaree of bitter rot fungus, taken from 
pustules on diseased k ‘00. 
FIG. 50. Pelee se two having germ tubes attached; X 500. 
Fic. 51.—Hyphae of Fusarium from washed agar plates; X 500. 
