A, Henfrey on the Higher Cryptogamous Plants. 33 
like those inside the others; and in addition to these, minute 
cellules which seem to have been expelled from the small spores. 
In these cellules were developed spiral filaments exhibiting active 
movement, just like those of Chara, the Mosses, &c. 'These 
filaments finally make their way out and swim about freely in 
the water. They were constantly met with in the gelatinous 
mass in which the spores were enveloped. 
In 1849, M. Hofmeister* published an essay on the higher Cryp- 
togams already alluded to, and there briefly described his own 
critical observations, referring to the points of difference from his 
predecessors. His statements are as follows :— 
the 
least trace of the cellular body (the pro-embryo, papilla of 
_ the nucleus of Schleiden) is to be seen at this point at the time 
when the Spores are j 
: just ripe. ; : . 
“After the ripe spores have lain a longer or shorter time in 
' * Botanische Zeitung, vol. vii, 1849; Botanical Gazette, vol. vii, 1850. © ; 
Stconp Seems, Vol. XV, No, 43,—Jan., 1853. gece 
