[Vor. 3 
336 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
divisions which are more distinct towards the margin; in 
structure 200-250, thick, with hyphae fuscous under the micro- 
scope, thick-walled, even, loosely 
interwoven from substratum to 
hymenium, densely interwoven in 
the hymenium and bearing hya- 
line, flexuous, suberect terminal 
+ branches or paraphyses and hya- 
line probasidia which are ех- 
Fig. 8 ceeded by the paraphyses; spores 
Langloisi e . А 
, probasidium ins a hyaline, simple, even, slightly 
проте beant oim] py pare. curved, 15-21 X 5-71, appar- 
physes; s, spores. x 640. ently produced singly at the 
apex of a nearly straight, 2-3-celled, spore-bearing organ 
into which the probasidium develops. 
Fructification up to 5 em. long, 215 em. broad, 1⁄4 mm. 
thick. 
On bark of living branches of Crataegus, Carpinus, and 
water oak. Florida to Louisiana and in Grenada. Novem- 
ber to May. 
This species resembles 9. frustuloswm in having the fruc- 
tifieation divided into narrow sinuous divisions and differs 
from that species in being blue colored, verging into smoke- 
gray or paler in some specimens, instead of honey-yellow. 
The speeimen from Grenada is thinner than those from 
other localities. 
Specimens examined: 
Ехвіссай: Ravenel, Fungi Am., 450, under the name Ste- 
reum pruinatum. 
Florida: Gainesville, H. E. Stevens, comm. by E. Bartholo- 
mew, 40a (in Mo. Bot. Gard. Herb., 44211); same locality, 
Ravenel, in Ravenel, Fungi Am., 450. 
Alabama: Montgomery, R. P. Burke, 52 (in Mo. Bot. Gard. 
Herb., 9558). 
Louisiana: St. Martinville, 4. B. Langlois, 2995, type. 
