156 - "TRANS. OF THE ACAD. OF SCIENCE. 
spores by an apical pore, like mosses, the contents, by develop- 
men ment hing into a contervoid velvet. This develo hor into va- 
riation of coils tees tee hel ashes and lovee fern oa cibe 80 
light as to be swept away by every wind. As this plant goes 
throug So many developments, besides its perfect, sporangial 
oto-C ydococcus cells are mere thalline yeinese 
(as i in tinloons and probably Baccillaria likewise} and that 
ps they merely are the conditional developments of the 
Chlorococcum cells strewn Eeouptio ut the atmosphere? 
Sphagnum seems to derive its Sesame solely from the 
, othing from, the soil. 
at gered arge, », open ool of air in its dew-drenched pe 
ypically different uli of eared 
®, a parallelism with the gradual es 
