rRAMETES. 



Trametes. 



Sporophores as in Polyporus, except that tin- Mil..-tan<-e 

 U'tweeii the port's docs not dilter from tliat of the rest t' the 

 sporophore. 1 



Trametes pini (I '.1-14.1 Fr.- lliimcalc of 1'ine. Thi> i- ,i 

 dangerous forest parasite in Northern (lei-many: also in llritain 

 and I'.S. America, (hi the pine tin- spin, plum-- develop from 

 hranch-scar-. and as-unie a Bracket form. The fungus ha.- also 



i n observed mi spruce in l'.a\aria and el.-e\\ here, 1ml in thi- 



case, the sporophores arc more frequently found a- a coatin- 

 over tin- l>:ii-k on the under side of a l-raneh. l.aivh. -ilver 

 til. and the I)oiinla< til 1 (in Alncrien ). h:i\e ;d-o heeii inentii'iifd 



as hosts. 



The >]porojihoiv^ an- ln-"\\n and \\nody, and eniitiniie to \i\u 

 annual hynu-nial /ones for a nundier of year.-. The hyineiiial 

 hiyer consists of jiore-tulies lined with ha-idia, lietween which 

 thick-walled cv.-tidia are formed. The .-[>c,ivs are clli]itical, and 

 on ^eriiiination iienetratc into wounds or hrokeii hranche- imi 

 jii-otected hy an outtlow of resin. The older Branches ( ,f pine 



and larcli have a central heart-w 1 from which no resin i- 



secreted, and the-e branches, when lniken over, oiier the in- 

 sary access to the -enninatinu spores; fur thi- iea-<>n. infeciinii 

 take- place niu.-t frequently in old plantations. The mycelium 

 Spreads llmni-h l-raiich and .-teni, pal t icnl,irl\ up\\aids and 

 downwards in the same year-rinu. In thi- way longitudinal 

 strip''- and peripheral /one- are funned in the \soud.-i\inu ri-c 

 to the popular name "ring-scale." Single hxpha- Lore throiiLih 

 the cell-\\alls, and a lei'ment Secreted 1'V them disM>l\e- 

 thc inc]-ii-tiii;_; siili-tance. 80 that \\alls allected -how the !<- 

 action- tor celluhxe almo-t at once. A \ci\ eliai'acteri>lic 

 feature is the appearance of i-ulated \\hite spot- or hole-, indi- 



calill'J \\hele the W 1. after hecumili- cellulose, has l.eell 



dissulved out entirelv. The middle lamellae are dissnhed out 



V 



tir-t ill atta-'ks of this I'IIIIVJK, the terliarv lamellae icniainiirj 

 longest intact ( Fi'j. 1 The dark centres of mycelium iu-ide 



1 The distinction between the genera /' n.l '/'.'//;/.'- i- l..i.||\ ilfiim-.l. 



A i in\'( Stigati it 'In- -\ St< ui.ii ! n-l.il imi-lii|i- nt t In- \\ In.li- -i i MI 1 1 .it l'"l\ 1 1. 



\S 'iill'l ill Iili-1 lie- HI|\ i>;il.l<-. 



- I ;. 1 l.i i I i_', '/. /-',,,/,, r*,-lf iiiiiiHi' ii , I'l. V. .1 ml \ I . ; II 

 I'l. III. : /../,,'..// ./. r,n, i nil. rn ,,!:!,. ,> u. Is'll l-'.ii-li-li t r.m-l.il i-m l.\ > >m.'i v ill.- 



