250 l\ COM'KIIKNCK IMKIIN AÏKIN \I.K l)K (;K\KTlnl K. 



Erw. Sni.) aiid Ihr wmIitiiicIiiii will (I'. iiiri'imi Erw . Siii.). .\> llic i'tioliii,'-v of 

 tlieso riiseascs is |ii;ii-licMll\ llic saine, (iiic (Icsi-riplioii will surijcr. 



Tlic iiil'cil liiii Iakcs |il,icc in I lie Miil. ilifii llicsmull l'unis. Tlic fun^iis gro\\ s 

 LipwMiil llii'ii Un' waliT \rs>-cU. which hrcomo so fillcd willi iK liyphnc llial llic 

 walcr su|i|il\ dl' I hc {ilani is rnl oIT. Tlic resnilani williiii,'- iiiav \>c verv suildpii, 

 or ilmay \>i- |nccccli'il hy diniinishcd i;io\\lli. Iiy lii-adiial loss of l'oliag-p. and hv 

 marginal and iidri\ cnal ycdldwint^ (d' Ihc h'avrs. Tlie dcalli ol' llie plant 

 iisually i-csnils lidoii' Ihric is aiiy l'xlcrnal dcvclupnienl of (lie l'iingus, V)ul in 



1. C.lloii «ill. sliusviii^; a phtiil (if Sr:i Iskunl ((illi.ii dyiiii^ IV..1M Hiis ilisoasr «illi m licnlll: 



plaiil iLl Iho lell. 



I''ip'. I. — ■• Coltdii will ". piaille de " Sea Islaiid '■. alloiiile par la maladie 



avi>r. à fcniiclir, une piaule saine. 



tlic discolorcd wond vi'ssels il can lie dclcch'd icadilx as a liraindiiiit;, se|)lak', 



iisually hyaline, inyeidiiini, liearini;- small. cidled, oval spores. Il is easily 



isolaled and yrowiis in pure cnlliue. Laler, aller Ihe |)lanl dies, llie l'uns'us 

 grows oulward rrom (lie vessels and prudnees in \in\Li pink siiorodochia, Ihe 

 lunale Fusarium spores. Thero is also foiiiid on Ihe roots in iiiany cases the 

 bright red peritliecin <d' a \eelriaeeoiis l'nngiis. .Xcafii^nin/iora vasinferta 

 Erw. Sm. 



Thèse diseases were liilly descrilied liy l)r. Erwiii F. Siiiilli in IS'.)!)'. He 

 eslalilishod Ihe parasilic naliire of Ihe walernielon Fnsariniii liy repealed 

 siiceessfnl inoeiilalions wilh pure cnlliires, and suggested Ihe probahility that 

 Ihe NfOcos)iin/i(,rii was Ihe ascoi^cnoiis Cuin. hasing liis o|)ini()n on IhealmosI 



I- ^«iiii l'.i«iii I . . Will IliM'.l-;.' (.1 1: I, Wal.T Ikm ami f.i.wpra. /)//■, i r,/ . /•/,,/... ,„„/ /■,,//, 



U. S. Ih;il. Af/r. Iliil.. 17. 



