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2 



(:ai,^\ i.ohks lm>kk the michoscopk 



The above photomitroKraiilis show longitudinal sections of calvx lobes and the 

 adjacent ovary wall, maKnified from 20 to 30 diameters. (1) Section of a persis- 

 tent lobe showing secondary thickening of base of lobe, secondarv growth in 

 I.arcnchyma near its base and the triangular cross-section of a zone of small 

 cells. U) Ovary wall showing zone of small cells (6) and remnant of stamen 

 hlamcnt (a) (3) A persistent lobe. (4; The same lobe showing iiartial ex- 

 fouation. (I'lg 11.) ' 



