181 
CHLORANTHY AND VIVIPARY IN THE STAMINATE 
INFLORESCENCE OF EUCHLAENA MEXICANA 
By J. ARTHUR Harris 
In certain grasses, the constituent members of the spikelet are 
sometimes found more or less completely foliaceous,* the ovary 
Fic. т. Excessive glume development of Euchlaena mexicana. 
and stamens sterile or abortive. Becoming detached, these 
sterile spikelets may serve for vegetative propagation. Indeed, 
* See, for instance, Masters, Vegetable Teratology, pp. 168-170. The Gra- 
minaceae in Penzig's Pflanzen Teratologie may be gone through for references to 
the literature of individual species. 
