CONTENTS 



Page. 



Introduction 11 



Previous investigations 12 



Present investigation 13 



Methods of study 15 



Development in moist chamber 15 



Cultures 15 



Studies of Glomerella from different hosts 16 



Annona cherimola Mill, (cherimoya) 17 



Brya ebenus (L.) DC. (Jamaica ebony) 17 



Caryota rumphiana Mart, (palm) 18 



Cinnamomum zeylanicum Nees. (cinnamon) 18 



Citrullus vulgaris Schrad. (watermelon) 18 



Citrus aurantium sinensis L. (sweet orange) '. . . . 19 



Development on leaves and branches in moist chamber 19 



Cultures 21 



Citrus decumana (pomelo) 22 



Development on leaves in moist chamber 22 



Cultures 23 



Cultures from ascospores 24 



Citrus limonum Risso. (lemon) 24 



Development on leaves in moist chamber 24 



Cultures 25 



Citrus nobilis Lour, (mandarin) 26 



Development on leaves in moist chamber 26 



Cultures 26 



Coffea arabica L. (coffee) 27 



Development on leaves in moist chamber 27 



Cultures 27 



Costus speciosus (Koenig) Smith (spiral flag) 28 



Crataegus sp 29 



Cucumis sativus L. (cucumber) 29 



Cucurbita pepo L. (squash) 29 



Curculigo sp 30 



Eriobotrya japonica (Thunb.) Lindl. (loquat) 30 



Ficus carica L. (fig) 31 



Ficus elastica Roxb . (rubber plant) 31 



Development on leaves in moist chamber 31 



Cultures 32 



Ficus longifolia Schott 32 



Development on leaves in moist chamber 32 



Cultures 33 



Ginkgo biloba L 33 



Gleditsia triacanthos L. (honey locust) 34 



Gossypium hirsutum L. (cotton) 35 



Development on bolls and stems in moist chamber 35 



Cultures 35 



252 5 



