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. 



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. 



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. 



