This species, like II. tiritiitlua.ut, lUunio. is closely sillied to Xmtus, 

 so far as the composition" of the spicula is concerned. The fertile 

 spici'!:! begins with an empty hiearinnte glume which is pressed against 

 the relative primary axis. Then follow 1-'-' empty and 2-3 mostly 

 bud-bearing flumes which increase in hzc and arc, except the lower- 

 most, but indistinctly unicarinate ; above these is the single fertile 

 glume and a rudimentary bud b >rne by a long pedicel, a prolonged 

 intcrncdc of the axis of the spicula. Sometime- the buds ^gemime) 



