CELLS. RAPHIDES. 
43 
has been stated by Raspail and others, in the inter- 
cellular passages. Some of the containing cells become 
much elongated, but still the cell wall can readily be 
traced. 
FIG. 27 . 
a, portion of outer layer of bulb of Scilla maritima, having acicular 
raphides in some of its cells, b, conglomerate raphides in the cuticle of 
a Cactus, c, stellate raphides in root of Rhubarb, d, raphides from the 
bark of the Lime-tree. 
In a thin section of the leaf of an aloe, the Aloe 
verrucosa , small silky filaments may be discerned by 
the naked eye, which, when magnified, are found to be 
bundles of acicluar raphides. In the bulb of the medi- 
cinal squill, Scilla maritima (Fig. 27, a), certain large 
