o 



06 Glossary. 



Deciduous^ falling off. 



Discrete, separate, distinct, not confluent. 



Echinidate, covered with short sharp spines. 



Elliptical, having the form of an ellipse or oval with the ends rounded. 



E)idochro}ne, the protoplasmic contents of spores or hyphae, usually 



applied to the coloured cell-contents of spores. 

 Epiphylloies, growing on the upper surface of the leaves. 

 Erumpent, bursting through the surface of the host-plant or matrix. 



Fimbriate, torn into a fringe. 

 Foramen, a. small hole or perforation. 



Germ-pore, the opening in the walls of a spore through which the 



germ-tube is protruded. 

 Germ-tube, the tube emitted from a spore in germination, which may 



become a promycelium or may develop into a mycelium. 

 Globose, spherical, the' shape of a globe. 

 Glomerulus, a small round head. 



Haustorium, a short lateral branch of a mycelial hypha, which enters 



a cell of the host-plant and acts the part of a sucker. 

 Hetercecious. Those parasites which pass one part of their lives upon 



one host-plant, and the other part upon another of a different 



species, are said to be hetercecious. 

 Hooded. Those spores which have a much thickened membrane at 



their upper ends are said to be hooded. Sometimes they are 



called capitate. 

 Hymenium, the base of an jecidial cup formed by those hypha; which 



produce the aecidiospores. 

 Hypha, a branch of mycelium, consisting of an elongated cell. 

 Hypogenous, Hypophyllous, growing on the lower side of the leaves. 



Intercellular, between the cells of the host-plant. 

 Intracellular, inside the cells of the host-plant. 



Isodiametric, having the transverse, longitudinal, and perpendicular 

 diameters the same length. 



Laciniate, cut or torn into segments or lacinia;, 

 Ligulate, tongue-shaped. 

 Lumeti, the calibre of a tube. 



il/^j'^j'/^r^, a unicellular teleutospore occurring in aPuccinia spore-bed ; 



a middle spore-form between Uromyces and Puccinia. 

 Meta'cious, the same as hetercecious. 



