156 MISCELLANEOUS PUBLICATION NO, 725, U.S. DEPARTMENT OF AGRICULTURE 
Collybia velutipes, 1556 
Commandra umbellata, 862 
Cone production and opening, 
750 
Conifers 
chloride content, 201 
decay--SEE UNDER Decay 
diseases--SEE UNDER Dis- 
eases 
red ring rot, 1863, 1873 
rust--SEE UNDER Rusts 
top dying, sudden cold, 2080 
Conifers of Pacific Northwest, 
diseases in Great Britain, 133 
Coniophora puteana, 402 
Conservation of timber supply, 
306 
Construction damage, 536 
Container stock, mold and stain, 
1022 
Containers, mold, 1666 
Gopeland, Otis Al) p72360) 2517, 
2385 2359 
Coprinus spp., 2139 
calcium requirement, 2138 
Cornus--SEE Dogwood ~ 
Corticium conigenum, new 
species, 1694 
Corticium galactinum, 348 
Coryneum 
canker, 
2078 
Coryneum asperulum, new 
species, 1225 
Coryneum cardinale, new 
species, 2076 
Cotinus coggygria--SEE Smoke- 
tree, common 
2067. 2043, 2006, 
Cottonwood 
cottonless and cotton-bearing, 
562 
prevention of flower develop- 
ment; [2503.71 252 
Cottonwood, black 
galls, 1007 
Macrophoma tumefaciens, 
1007 
Grandall, Bowen SS... 65.. 770. 
408, 642, 794, 1096, 1161 
Creosote, changes during expo- 
sure, 2061 
Cristulariella pyramidalis, new 
species, 2134 
Cronartium cerebrum, 897, 
OT e22kt 
Tuberculina maxima on, 876, 
2203 
Cronartium coleosporioides, 
1364, 2215 
Cronartium comptoniae, 730, 
740, 1081, 1146, 1793, 1794, 
1801, 1814, 1890 
Cronartium conigenum, 902, 
915 
Cronartium filamentosum, 821, 
851, 1364, 1464 
Cronartium fusiforme, 778, 915, 
Pebe 
Cronartium occidentale, 93, 
312, 687, 885 
comparison with C. ribicola, 
7305 
identification, 3,4, 253,, ah00 
692, 1124 
resistance--SEE pinyon blister | 
rust under Pine 
Cronartium pyriforme, 97, 98, 
911 
Cronartium quercuum, 915, 
1368, 1686 
facultative heteroecism, 1369 
Cronartium ribicola, 296, 687, 
695, 714, 715,992, 1182, P2068 
1453, 1468, 1504, 1530, 1536, 
1778, 1783, 1784, 1790, T8001 
1824,. 1856, 1914, 1939 72272 
comparison with C. occiden- 
tale, 305 
canker growth, 1122, 1154 
cytology, 299 
Denmark, 132 
dissemination 
by insects, 649, 654, 
1742 
by wind, 1501, 1743 
distance of spread, 1743 
fungi that retard, 1555 
Great Britain; 32 
hosts, 87, 269) 662-3708: 
1123, 1156). 15002. hS22 
identification, 3, 4,253, 
294,310, 683369271 be4 
imported white pine seed- 
lings, 1776 
infection conditions, 1885 
inoculation tests, 1756, 1889, 
Dees 
intensification, 1457 
life history, ; L151; D784; 
LSLO. 1823 
meteorological facts, 996 
mode of entrance, 1151 
morphology, 299 
Sia Rg Sess 
