PLATE 7 
i, 2.—Inner face of carpel wall of green tomato fruit showing proliferations due to 
ammonium tartrate (20 per cent solution). The growths are from the lining membrane 
which is normally one cell thick, as shown on the right side of the upper figure, and in 
Plate 8, figure 2. Injected June 10,1916. Collected on June 27,1916. Time, 17 days. 
X160. Block 1252 B 5. Cells shriveled more or less by the fixative. 
