272 



INDEX AX^D GLOSSABT 



bordering or surroundiag' an organ ; the 



lateral petal of a papilionaceous corolla. 

 "VN'ood, annual layers, 224; structure of, -IS, 



219. 

 Woolly. Clothed with long tortuous or 



matted hairs, 



Xerophytes, 65. 

 Xylene, 222. 



Yeast, 160. 

 Yeasts, 1S5. 



ZoOsporangia, ITS. 

 ZoosporangiuDi, 1S9. 

 Zoospores, 172, 175, 179, 1S9. 

 Zvgomor[>hic, 129. 



Zygospores, 172, 174, 1S3 ; of Sporodmia, 

 '257. 



