TRICHOSPHAERIA. 



197 



asci, the latter with eight four-celled light-grey spores, wlm-h 

 germinate directly and distribute the fungus over new ho-i- 

 plants. 



I t'luuid this same fungus on 'A//</" m/////// /<*/* ' at jladeii- 

 IJaden, and on spruces in several parts of the Bavarian fore- 

 It, however, rarely attacks spruces, although they often oeeur 

 in the same forest with firs. One of tin- rases of infection 

 referred to above was caused by the diseased branch of a lir 

 lying in contact with a twig of the spruce, so that the mycelium 

 -lew from the one to the other; the spruce needles were killed, 

 and woven on to the twig by hyphae. 



a 



KM.. **. Ti-;i-/i<i.</iltinriti jii'ru.titii-'i. Myivlial fii-sliimi "ii Inv. i 1'ii 



", l-'ilainentous mycelium, which, ;it '. .sends d"\vmv;ird- num. 

 branches to produce a cushion i i>aralli-l h.\ i'hai\ . Where the mycelium n~t- 

 on tip- I'lii'lrrinis, rod-liku h:iu>ti.ri;i :nv Mink int.. tin- mitrr wull ..f tin- , ].i.|i-i m d 

 cull-. ; >l slinws tin- inyc'cliul cu-liii.u Mli^'htly ilrfrirhril from tin- cjiicK-run 

 that -.iri.-i havi- )-<-n with'lrawn. ' /". Epidermal c-i'lK tilli-d with )H-IP\MI 



("lit'lit-. / /. Chl.iiM|,hyll"M- ini-~n|ihyll. \\liifl. IHTIPUI, > I.I.AVH :i|t.i tin- 

 iiiy<-i-liuiii h:i* ]ii-ni-tiMt.-tl In it. ..I iiiu-r rcnirt <>( A st.iina tilli-'l l>y :i m\ .-i limn 

 with iin haiiti>ria, Imt itillirrin^ tn tin- \vaxv Kramil -t. ..... ital a|n.-rtmv. 



(After K. II. > 



111 wonds ot yoiiii- sdvi-r tii- naturally regenerated, 



causes great damage by killing numerous twigs. It nccurs every- 

 where in young lir foiv.Ms, e.g. ilu- Alps, Bavarian t'"i'e>ts. thf 

 I'.lack Forest, '-tc. ( hi dry airy filiations, nil tVi-e-slandin^ 

 trees, :nid on llie liighcsi branchi's nf a tref. it i- rarely pre-ent 



1 v. 'I'liln-ut, ll-i'i-ii'i- .. f\'< until <!. r>n ml., nnl.il> ii> n. Merlin i >[ii iii. i i , 1^^^ 



IT. Tuiii-iit, " TrioboBpbaeria para-iiii-H <lir l-'ii-litr." /.'. 



XI. I., IS!M. 



