266 BOTANICAL GAZETTE [OCTOBER 
enveloped in slime; heads 8-14 y in diameter, easily falling apart. 
Conidia elliptical, 1. 5-3 4-6 wu in diameter.—Fig. 6, A. 
This fungus, in most of the cultures, did not show the characteristic rose- 
red color, but rather a decided orange. However, several luxuriant plate 
cultures showing brilliant rose 
pink were developed on me- 
dium 1 by inoculation from an 
orange culture. Orange cul- 
tures were obtained again by 
inoculation from the rose pink. 
PACHYBASIUM HAMA- 
HORST 37, 1°: fig: 34 
ENGLER and PRANTL 36, 
1: fig. 440, A.—Myce- 
lium at first white and 
scant, spreading to form 
a loose web, sometimes 
hardly visible on the sub- 
stratum, soon forming 
irregular, white, woolly, 
hemispherical tufts 
1-5 mm. broad, giving a 
scattered, botryoidal ap- 
pearance; tufts at first 
Fic. 5.—Fusarium (sp. ?): a, b, hyphae white, becoming eer 
bearing simple conidiophore, X160; c, same, 8t€eN as Spores form; re- 
%380; d, ¢, hyphae bearing conidial heads verse color the same; NO 
Pade we ei ont o formation coloration of the medium. 
chlamydospores, a wae Hyphae sparingly 
microconidia, 380; 0, macroconidia, 380 branched, hyaline, 35 # 
broad. Conidiophores 
aE upright from the hemispherical tufts, consisting of a twice oF 
three times branched fertile portion and an elongated, terminal, 
sterile portion; fertile portion verticillately branched or forked to 
eto of the third order; end branches thick flask-shaped, 5-8 ‘eg 
ong, each having a sterigma-like end which bears a spore; sterile 
™~ 

~~ 
tum (Bonord).—RABEN- — 
