Symptoms 



phosphate of lime after removing decaying 

 portions. Most prevalent when plants have 

 been subject to frost, or other severe check. 



Foliage. — Large or small dark spots with a 

 yellowish or brown border, the dark portions 

 being velvety with the spores of the fimgus 

 Heterosporium gracile. Remove all dead and 

 dying leaves thoroughly in autumn, and treat 

 the soil surface liberally with slaked lime. 



Bulb. — Black crust-like patches on outer 

 bulb scales of Iris reticvlata and its aUies formed 

 by the fungus Mystrosporium adustum. Soak 

 bulbs in formaUn (6). Plant such bulbs apart 

 from healthy ones. 



JUNIPEE. 



Stem. — Long woody swellings with fissured 

 bark through which the fungus emerges in soft 

 orange club-shaped masses, often forked and 

 variously curved. Juniper-rust due to Oym- 

 nosporangium clavariiforme and 0. juniperinum. 

 The former has for its alternate host the leaves 

 and fruits of Crataegus (q.v.) ; the latter the 

 Mountain Ash. The galls may be cut out and 

 burned. 



KoHL-EABi. See Cabbage. 



Laeoh. 



Stem. — Wounds in the stem which exude 

 resin, and which fail to heal in spite of repeated 

 attempts. Larch canker due to the attack of 

 82 



