5G0 . 



INDKX. 



Wiesner's conclusions on light and 



plant-transpiration, 83-85. 

 Wild source of cultivated Limes (Dr. 



Bonavia), 213. 



Woodsia obtusa, var., = Clieilantlius 

 crenata, G3. 



Xyridaceae, develop, inner row stamens 

 of, 415. 



Yucca aloifolia, 106, 107. 



Zapania cuneifolia, 154. 

 Zea Mays, lOG. 



Zilla myagroides (cotyledon), 380. 



Zinnia elegans, 106. 



Zygodon (§ Stenomitrium)erosnn-i, 305 

 crcnalatus, 306 ; pentasticlms, 306 

 Priessianus, 301 ; Rehmanni, 306 

 ru^folius, 306 ; runciiiatus, 306 

 strictissimus, 301 ; tricliomitrius, 

 305 ; quitensis, 306. 



Zygostates cornuta, 403. 



END OF THE TWENTY-SECOND VOLUME. 



PKINTED BY TAYLOB AND FRANCIS, RED LION COURT, FLEET STREET, 



