Glossary 383 



enzyme. An organic chemical product capable of 

 bringing about chemical changes, but without itself 

 undergoing any change, or entering into the final 

 product. 



exospore. Outer covering of a spore. 



F 



falcate. Sickle shaped. 



flagella. Whip-like appendage of protoplasm of bac- 

 teria and swarm spores. 



fungus. A plant of very low order. Its mycelium corre- 

 sponds to roots and reproduces by means of spores. 



G 



glaucus. Sea green. 

 gonidia. Algae-like cells. 

 guttulate. Drop-like. 



H 



haustoria. Special organs of a fungus used for attach- 

 ment or for obtaining food. 



host. Any plant which nourishes a parasite. 



hyaline. Translucent or colorless. 



hypertrophied. Part of diseased plant abnormally 

 enlarged. 



HYPH.-E. Thread-like vegetative part of a fungus. 



indurated. Hardened. 



infect. To cause disease. 



intercellular. Growing between the host cells. 



intracellular. Growing inside the host cells. 



