1907] 



CALDWELL— MICROCVCAS CALOCOMA 



127 



I 



cal figure- A few cases were observed in which the blcpharoplasts 

 were near each other {iigs. 22 ^ 2j), and one case in which they were 

 in contact {jig, 24) ; a careful search failed to show other blcpharo- 

 plasts. Webber figures similar cases, except he found none in which 

 the blcpharoplasts were so close together as in figs. 2j and 24. 



grass J 



Fig. 5. — Four plants which have grown from stump of an old plant; an exposed 



(fig 



(fig 



sperm 



While this division is occurring, the blcpharoplasts begin 



form a distinct band (fig 



(fig 



lies, upon which the beginnings oi 

 The mother cell does not become 



spherical, but is flattened on the side adjoining its mate, and when 



