BATIKS. 



199 



PLATE LXXXVIL 



FIG. 97. Powdered Cusparia Bark (x 240) 



a, Starch grains. 



cr, Prismatic crystals. 



era., Acicular crystals. 



fl, Bast fibres. 



go, Oil glands. 



I, I', Portions of the bast in longitudinal and transverse section. 



pc, Cortical parenchyma. 



ph, Phelloderm. 



pa, Baphides. 



rm, rm', Medullary rays in tangential and radial section 



s s', Cork, in surface view and section. 



sc, Sclerenchymatous cork cells. 



sp, Sclerenchymatous cells from the cortical parenchyma 



vg, Sieve-tubes. 



