Table III. Exp. No. 50. Seedlings of B. penduliuus, sown in fine cleaned Sand to which Nutritive Salts, &c, were added, as before, in Beakers. Sown July 10, and Infected on July 30 with Spores from B.pahdus 







Number 

 of plants 

 in beaker. 





Condition of plants. 



Condition on August 8. 





No. 50. 



Treatment. 



Number 

 inoculated. 



Stature. 



Robustness. 



Colour. 



Average 

 number 

 of leaves. 



Number 

 showing 

 infection. 



Number 

 infected 

 on 1st leaf. 



Number 

 infected 

 on 2nd leaf. 







Number 

 infected 

 on 3rd leaf. 



Degree 

 of attack. 







Condition on August 12. 



h 



Distilled « liter only . . 



8 



5 



16—18 cm. 



Slender, stiff and 

 erect 



Rather pale, and first leaves 

 withering ; second leaves 

 going at tips 



3 : maxm. 

 breadth 

 3 mm. 























Four second leaves show extremely minute pustules. 

 None of the seeds germinated. 





























c 



Caleiuui-frce 



7 



5 



30 em. 



Fairly stout. Larger 

 leaves hanging 



Slightly pale. First, and 

 some second leaves going at 

 tips 



4 : maim, 

 breadth 

 6 mm. 



5 



3 



5 



1 



Small as yet 

 and young 



Three first leaves and seven second leaves attaofced, five 

 of the latter severely. Deep green colour. 



d 





8 



4 



27 -30 cm. 



26 cm. 

 28—30 cm. 



Stout. Larger leaves 

 hanging 



Fairly stout. Second 

 leaves hang 



Slightly pale. First and 

 second leaves touched at 

 tips 



Rather pale. First leaves 

 withered, second yellowing, 

 and third have black tips 



3J : maxm. 



breadth 

 5 — 51 mm. 

 3£ : maxm. 



breadth 

 4f— 5 mm. 

 Ditto 



4 



1 and 1 



4 and 2 









Two first and four second leaves show very severe 

 attack. Colour deep green, but palo around' the in- 

 fection areas. 



Five weak and one severe injection area on second 

 leaves, and two first leaves feebly touched. But all 

 the second leaves are withering, and the whole pale. 



Four feeble and one severe infection area on second 

 leaves. All pale, but better colour than e. 



e 

 f 





8 

 7 



5 

 5 



2 

 1 



flecked 

 







flecked 

 1 



1 



? Flecked 

 



Weak 





























8 





30—32 „ 



Stout. Larger leaves 

 hang 



Rather pale, and first and 

 second leaves black at tips 



G-ood colour, but tips of first 

 and some second leaves 

 blackened 



Good colour, but first leaves 

 begin to go at tips 



4 : maxm. 

 breadth 

 6 mm. 

 4 : maxm. 



4 



1 





1 and 

 ? flecked 



1 



Fairly strong 

 attack 



Small 



Three feeble areas on first leaves and four strong on 

 second leaves. Pustules large and normal and leaves 

 dark green. 



Two first leaves slightly infected, five second leaves with 

 rather large pustules and good colour. 



Two feeble areas on first leaves, and four fairly strong 

 on deep green second leaveB. 



g 

 h 



N.free + Fe 



7 



4 



33 cm. 



4 



1 



4 









3 



26—28 cm. 



Stout and well-de- 

 veloped 



breadth 

 5i mm. 

 3 — 31 : maxm. 

 breadth 

 5 mm. 

 3 — 31 : maxm. 

 breadth 

 5 mm. 

 21-3 : maxm. 

 breadth 

 2 mm. 



4 



m 



4 









k 



Normal + Fe 



4 



3 



26 cm. 





Good colour. First leaves 

 just black at tips 



Pale. All leaf ti ps yellow . . 



3 



i 



3 







Rather 



strong 



attack 

 Flecks? 



Two feeble patches on first leaves, and three severe on 

 deep green second leaves, 



Four^ second leaves have extremely minute pustules. 



i 





8 



4 



29 „ 



Slender and stiff .... 



? 







3 flecked 







m 





8 



4 



28 „ 





Colour pale and first leaves 

 going at tips, second yellow 



2| — 3 : maxm. 

 breadth 























One extremely minute pustule found on a second leaf. 

 Colour pale. 

























Horse-dung decoction. . 



8 



4 



30—33 em. 



Stout. Larger leaves 

 hanging 



Colour good, but tips of first 

 leaves begin to dry 



2 mm. 

 31 — 4 : maxm. 

 breadth 

 51 mm. 

 3} — 4: maxm. 

 breadth 

 5—51 mm. 

 3 — 31: maxm. 

 breadth 

 5 mm. 

 31 : maxm. 



breadth 

 5f— 6 mm. 



4 



4 



4 



1 



Fairly strong 

 attack 



Four first leaves feebly, and four second leaves strongly 

 attack. Good green colour. 



P 

 2 



Horse-dung + Fo .... 



Potassium-free 



K-free + Fe 



7 

 7 



8 



6 

 4 



30 cm. 



Stout. Large leaves 

 in part erect, in 

 part hang over 



Stout, but larger 

 leaves limp and 

 hang 



Fairly stout. Larger 

 leaves hang 



Good green colour through- 

 out 



Colour good, but first leaves 

 black at tips and second 

 yellow 



Colour good, but tips show 

 traces of going 



6 



4 



4 



1 and 1 

 flecked 



6 

 4 







Strongly de- 

 veloped 

 patches 



Fairly strong 



Four first leaves and six second leaves with strongly 

 developed patches and pustules. Colour good green. 



Three first and six second leaves show pustules, the 

 latter strongly. Colour good. 











30 „ 



5 



4 



5 



2 



Small and 

 young pus- 

 tules 



Five first and six second leaves show pustules, the 

 latter rather strongly developed. Colour good. 



