GLOEOSPOKIt M. 1 >." 



Several fun-i uf very near relationship, if not actually identical, 

 occur UH Platanus? All cause con-ideial>le disfiguration of the 

 foliaue, so that a systematic destnictinn of all NOIIII-J: di-ea-ed 

 1 "ranches is strongly recommended. 



Gl. cingulatum Aik>. J This is the cause "f Anthracno-e on 

 Privet (Liffustrum vulgare) in the t'nited State-. The following 

 is Atkinson'- diagnosis; - A fleeted area- li-'ht I'l'own. either 

 ohlon.u on one side of the stem or completely ^irdiny; it. A 

 vuli 100 to 150 in diameter, rupturing the epidermis in 

 Mack t'mm the dark strmna lyini;- in the base or extending 

 irregularly up the sides, frequently forming a pseudopycnidium. 

 1'. i-idia numerous, crowded, simple, hyaline, or when very "Id 

 perhaps faintly fuliginous. Spores oMon^, or elliptical, -irai'Jit 

 or little curved, usually pointed at the base. From pustule.-, 

 on the stem they measure 10-lH) }>\ "-7 : in artitieial cultures 

 the\- are i'i.'i|tiently niueh larger, hut when crowded in the media. 

 or when the nutrient substances are nearly exhausted, the\ may 

 he cnii-iderahly -mailer. (in stems of A/y/'\/, ///// r /////"- 



"This is ijuite distinct from /;/, ,,x/,,//-/V/// /ii/nxfriiii/in Sacc." 



Man\' ~ of (;/<>,,ixj>i>riiiiii tVetjuent liroad-leaved trees 



and cause more or less injury to the foliage. 



Gl. rhododendri I'-r. et ( 'av. attacks the leave- ..f outdoor 

 culti\'ated rhododendrons in autumn, or indoor species in 

 wintei'. Lai^e yellow spot- marked with concentric /.ones 

 are foinied. and hear tin- pynidia ; tinally the Leaves dry up 

 and fall o|f. 



Gl. violae I'., et ]',r. attacks violet- in I'.ntain and I 3 

 America. 



Gl. vanillae < 'ke. et Ma--. i r,//,,.^,,,/-^ /v/// /////. M 

 Thi- can-.- a dangerous disease on Manilla planifolia and nther 

 < irchideae in .Maui'itiu- and other parts of the tropj. heath 



i- liroii^ht ahoiit hy the '//,., u^m,-/ // ,,i ( H,ii,i<,;i i form of the 

 fuirju-. the higher reproducti\ r organs OM!\ appearing \\lien the 



es are killed. 



(lh,-r species are knoun. hut their economic imp >rlance i- : 



gre 



Pavel, /.'''///. /'ii'iH'i, |sst; : i., ,i,i, ,|n --.ii.l.ni, /,''" - . d /' 

 1892. 



'.\tkiii-iin. "A \i-w Antli) "i tin- l'ii\i-t. Corn* I I 



(l, \... I'.i. Is'.i'J 



Maasee, A'. ID Built tin, lvi-j. ( ,. 1 1 1. 



