RUBBER (HEVEA) DISEASES 85 
ments thick, light brown: dissepiment context concolorous with adjoining 
context of pileus; spores ovate to ellipsoid, conspicuously punctate, 
brown, sometimes obliquely apiculate. slightly truncate at one end. uni- 
guttulate. average (50) T.T by 5.5 u; tramal hyphse simple, rarely branched 
undulate, diameter average 2.3 ,u : context hyphse more branched, undulate, 
diameter average 2.8 fi. Substrata : On wood of various jungle trees, 
especially Hevea. Type in Pathological Collections (No. 62043), U. S. 
Department of Agriculture. 
G. australe <Fr.) Pat. On dead roots of living tree. Amazon region. 
G. ferreum (Berk.) V. O. and St. Incorrect generic reference of the type 
specimen. 
Q. pseudoferreum (Wakefield) V. O. and S. 
Gtoeogporium aJborubrum Fetch. Acervuli submerged, scattered or confluent, 
120 to 200 fi in diameter, black when young, pink fading to white when ma- 
ture : spore mass pink, white when old : spores oblong-cylindric. straight or 
sometimes curved, both ends obtuse, 14 to 21 by 3 to 4 fi often issuing in 
tendrils. On living leaves and fruit. Although it has been shown by La 
Rne and Bartlett that in all probability G. alborubrum and G. hereae are 
identical, the latter species is retained, for the reason that on some of the 
leaf spots the fructifications were always of a light-brown color and never 
pink at any stage of development. There are also slight differences in 
spore characters. 
G. brunneum. On leaves. Ceylon, Malay Peninsula. 
G. elastica Cke. and Mass. On leaves. Java. Ceylon. Said to be identical 
with Colletotrichum ficus Kds.. Neozimmermannia elasticae Kds., and 
Glomerella cvngulata (Stonem.) S. and V. S. 
G. hereae Petch. Acervuli brownish, scattered, flattened, somewhat erumpent 
on both sides of the spots : spore mass pale brown ; spores oblong-cylin- 
dric. sometimes curved with one end acute, usually both ends rounded. 
hyaline or slightly greenish, average 15.5 by 4.5 /x. basidia 18 to 29 by 2 i±. 
On living leaves. Amazon region. Ceylon, Malay Peninsula. 
G. sp. Acervuli white, scattered or confluent, erumpent. amphigenous. spore 
masses hyaline : spores irregular oval to cylindrical, but usually peanut 
shaped, constricted in the middle or budding at the ends, hyaline, on short 
elbow stalks, average 6.5 by 2.1 fx. On living leaves. Amazon region. 
Glomerella cingulata ( Stonem. ) S. and V. S. See Gloeosporium elastica. 
Guignardia hereae Syd. On leaves, Ceylon. Malay Peninsula. 
Haplosporella crypto Petch. On branches, Ceylon. 
Helicobasidium (?) H. Mompa Tamnaka. Root disease. Malay Peninsula. 
E. sp. In Uganda : later found on cacao and described as a new species, 
E. longisporium Wakefield. 
Helminthosporium hereae Petch. Spots circular with purple-brown margins, 
1 to 4 millimeters in diameter : conidiophores simple, scattered, olivaceous, 
70 to 200 ^ long; conidia cymbiform, 8 to 11 septate, brown 100 to 200 
by 15 to 18 ix. On leaves, Amazon region. Ceylon. Dutch East Indies. 
Keterochaete andina Pat. and Lagh. On dead branches of living tree. Amazon 
region. 
E. tenuicula (Lev.) Pat. On dead wood, Ceylon. 
Hexagonia cervino-plumbea Jungh. Reported on Ilervea in the Orient=H". 
tenuis. 
E. polygramma Mont. On dead wood, Ceylon. 
E. pulchella Lev. Regarded by some as a small-pore form of E. tenuis. Java. 
E. tenuis (Hook). On dead branches of living trees. Amazon region, Orient. 
E. thwaitesii Berk. Reported on Hevea in the Orient=iF. tenuis. 
Himeola hispidula B. and Br. On dead Hevea, Ceylon. 
E. polytricha Mont. See Auricularia. 
Eydnum villi pe* Lloyd. On dead steins. Amazon region. 
Eymenochaete noxia BeTk..—Fomes lamaoensis Murr. 
Eypochnus sp. Thread-blight. Malay Peninsula. 
Hypocrea borneensis Yates. On decaying log, British North Borneo. 
E. sp. On stem and branch. Malay Peninsula. 
Hypocrella ceramichora (B. and Br.) Petch. On Lecanium infesting Hevea. 
Ceylon. 
E. reineckiana P. Henn. On scale insects on leaves, Ceylon and other tropical 
regions. 
