THKI.KI'H('|;.\. 



THELEPHOREAE. 



Thelephora. 



The >porophore> nl' tliis o-onus assume MTV \aried foini>, tV.ni 

 simple incrustations to mushroom-like structure-. Tln-\ cons 

 of two layers only, the middle .. in- lichi- absent Tin- ha>idia 

 are club-shaped ami produce four roundish <>\ oval, hy.ilim- or 

 Huhi-coloured spores 



Thelephora laciniata IVr-. i> not a true parasite, yel it 1- a 

 dangerous enough enemy to trees. In damp situations, it i> 

 i-oiiiinuii ami thrives. -ro\\in^ over yoim- trees ami so enveloping 

 them with its -]>oro].hoi-es that sulioralion ensues. < I'.ritaiii and 

 I'.S. America..! 



Th. pedicellata sdi\v. ha> ln-t-n n-|.i ti-.i tVniii America * as a dangerous 

 para-itr \\ apple, Quercus COCCinect, and a palm. 



Th. perdix llarn'-. a para-iir on oak-woml. i >. ^ um /'//'.<////.<.<////<.) 

 Helicobasidium Mompa. l-liik.- Tliis is injurious to tin- nmll>.-i -r\ tvi- 

 in-ar Tokyo, .Japan. It lii-t atta.-k~ tin- roots, and in r.nis.-i|u-nrr 

 -iMUtli . ,(' <lioot> is ari'i-^ti-d, the \i>nn- leaves die otl', and uiailuall\ il.-ath 

 of tin- ti-'-i- t'ollo\v>. Tin- iu\ c-i-linni pt-i-iii.-ati--; tin- t iou.-- -it' tlh- ln-t. and 

 f>rni> an i-\ti-rnal vdvi-tv real in- f I'.i-idia. 



- 



Stereum. 



i, ., -rally differentiated into three layers, ami 



turn i in-.: leathery or woody encrustation-, or flattened hemi- 

 spherical structures attached hy <>iio ed-e only. 



Stereum hirsutum (\\'.i l-'r. \\'hite-piped or yellow-piped oak. 



il'.iitain and U.S. America. A \'-ry coiuninii i'un-n-. oenii rin- as 



iprophyle on dead l>ranche<. on hoard-, and poM- of vai - iou< 



kinds of timlier. as uell as para-ilic on li\inu wood, part iculai 1\ 



on oak. 



The -porophoivs first appear as CrUStS, later the\ heenlne 



cup-shaped; exiernally they are hmwn and roii-hly hairy \\ith 

 acute yellowish mar-ins. The smooth hyim-mal Layer 18 Oran 



led and marked by ZOneS. I'.etWeen || M - -lel'ile IcathclX >|,ol'M- 



phoiv and I In- hymeiiial layer lln-ie lies a firm \\hite 

 interiiiediale t i-suc. 



1 Jinn-mil oj M olcxjy, vi, t p. ll.'l. 



-' N'llni jiii. l.lnkau.i, "A ii.-vv Ii\ iiii-iiiiin ' 



I i- '1 l'ni\ n >ii \ . Japan, I s '"' 



