XV111 TABLE OF CONTENTS. 



SECTION II. SPECIAL ACCOUNT. I-A,; i: 



1. Lightdemanding weeds 399 



2. Half-shadebearers *403 



3. Shadebearing weeds 408 



4. Weeds of wet peaty soil 409 



5. Lianes 410 



6. Parasitic phanerogams 412 



7. Weeds acting as hosts to injurious fungi 418 



8. Classification of weeds in order of injuriousness . ... 420 



CHAPTER II. 

 PROTECTION AGAINST FUNGI. 



SECTION I. GENERAL ACCOUNT. 



1. Position of fungi in vegetable kingdom 421 



2. Classification and importance 422 



3. Mode of life 423 



4. Distribution 427 



SECTION II. FUNGI ATTACKING CONIFERS. 



1. Armillarea mellea (Honey fungus) 429 



2. Fames annosus 435 



3. Rhizina inflata . . 437 



4. Trametes Pini 438 



5. Peridermium Pini (corticola) (Pine-blister) 441 



6. P. Sfrobi 443 



7. Nelampsora Pinitorqua (Pine branch-twist) .... 444 



8. Melanq^orclla Caryophyllacearum (Silver-fir canker) . . . 448 



9. Nectrla Cucurbitula 452 



10. Dasyscypha calyclna (Larch-blister) 454 



11. Cenaiigium Abictis (Pine-shoot fungus) 459 



12. Pestalozzla Hartlgii . . . . 460 



13. Sector la jtarasitica ... 460 



14. JBotrit'w Dtmglanli . . . 461 



15. Penderm'mm Pini (acicola) 461 



16. Aecidiuiit abietinuin .......... 462 



17. A. coliimnare 462 



18. C'hrtfwmyara AMetu . . 463 



19. LojthodenniuHi Pinastri (Pine needle-cast) 465 



20. L. macroftporiuni . . . . . . . . 407 



21. L. nerclsequiuni 468 



22. Sjthaerella laricina . . 469 



23. Tricho*j)haeria parasitica 470 



24. Jlcrjwtrichia nigra . 472 



25. Aecidium strolilinum , 472 



