1883.] On the Life History of the Dock JEcidium. 



49 



cases without result. Both Puccinice were also applied to Bumex 

 acetosa, but with no result. These experiments are appended in a 

 tabular form, showing the plant infected, the spores used, the date of 

 infection, and the date the resulting spores were first observed. The 

 numbers refer to my own note-book. 



No. of 

 expt. 



.Plant infected. 



Spore used for infection. 



Date. 



i 



Of - Of 1st 

 infection, j result. 



! 









1882. 



lo 



-Lvumex conglomeratus. . 



xuccinia magnusiana . . . 



6 May 



3 June 



32 



33 5) 



p 



33 33 • * * 



15 May 



3 June 









1883. 



J-O / 



xvanunculus repens .... 



Jr uccmia piiragmitis . . . 



33 33 • • • 



18 Mav 





138 



18 May 





142 



ficaria .... 



33 33 • • • 



20 May 











1882. 



34 



ninnPT onn o* 1 run f*i*fi i~n q 



33 33 



r np^imfi in n OfTm 51 Q ti *i 



-L LLL L llllct JJJCl gll ILDlCbX-Lcl' . • ■ 



18 May 





70 





15 June 





81 



33 33 



33 3) ' ' * 



15 June 











1883. 



167 



" " 



„ 



5 June 











1882. 



72 



n n^"n qi ta 1 ina 



. • \J U t LLoi 1 U I 1 1 1 o .... 



33 33 ' • • 



15 June 











1883. 



169 





33 33 - - • 



5 June 





-LOO 



f*vi arm a 



33 33 • • • 



5 June 





171 



„ hydrolapathum . 



33 33 ■ • • 



7 June 





205 





3, 



28 June 





184 





33 3 3 



12 June 





-LO/ 





33 33 • • ' 



13 June 











1883. 



140 





"Pnpr»iTiin Tilivf* cnvnf 



33 33 .... 



16 May 



27 May 



178 



,j conglomeratus. 



8 June 



22 June 



179 



obtusifolius .... 



33 33 .... 



8 June 



19 June 



180 



,j hydrolapatlium 



33 33 .... 



8 June 



19 June 



181 



33 3 3 



8 June 



19 June 



182 



"R.npnm nfflpm /il p 



33 3» .... 



8 June 



19 June 



JlOO 







8 June 



19 June 



148 



Phragmitis communis . . 



iEcidium rumicis 



27 May 



4 June 



166 



33 )) • * 



33 33 



3 June 



12 June 



172 





33 33 ...... 



7 June 





188 



33 )> 



3 3 33 



16 June 



10 July 



\89 



33 )) • • 



3J 33 



16 June 



10 July 



208 





33 3 3 



2 July 



20 July 



209 



33 3 1 





2 July 



30 July 



139 



Kumex acetosa ........ 



Puccinia magnusiana. . . 



17 May 





179 





33 33 * * ' 



5 June 





206 





33 33 * * ' 



28 June 





177 





„ piiragmitis . . . 



8 June 





YOL. XXXVI. 



E 



