66 MICROSCOPICAL RESEARCH 



Embryo of Wheat after germinating twenty-four hours. 



Fix with the chromo-acetic solution, then graduate to 92% alcohol. 



Cut longitudinal median section of embryo -^/looo of an inch in thickness. 



Place the sections in alcohol. 



Manipulate No. 6. 



Compare the preparation with Fig. 64. Plate XVIII. 



Fig. 29. — Ventral and dorsal view of a grain of wheat, the dotted line indicates the median 

 area from which sections must be taken. 



Seed of Wheat, germinated for twelve hours, fixed and graduated as above. 

 Cut transverse sections through endosperm ^/looo oi an inch in thickness. 



Place the sections in alcohol. 



Manipulate No. 6. 



Compare the preparation with Fig. 65. Plate XVIII. 



Embuyo of Wheat, after twenty-four hours germination. 



Fixed with corrosive-picro -formaldehyde solution, then graduated to 



92% alcohol. 



Cut longitudinal median sections of embryo ^/looo of an inch in thickness. 



Place the sections in alcohol. 



Manipulate No. 6. 



Compare the preparation with Fig. 66 — 67. Plate XIX. 



