SERIES II 



CKYPTOQAMIA, OR FLOWERLESS PLANTS, 



Plants destitute of proper flowers (stamens and pistils),- 

 Mid producing spores, instead of Beeds. 



Class III. ACROGENS. 



CryptoganKms plants with & distinct axis (stem- and 

 branches), growing from the apex only, containing woody 

 fibre and vessels, (especially ducts), and usually with dis- 

 tinct foliage. 



Order 134. EQUXSETACE1S,— Horsetail Family. 



Ltajltss plant*, vrith rush-like hollow and jointed ttemi apising from running 

 rtntttockt, terminated by the fructification in the form of a cone or spike, which it 

 •emptied of shield-shaped sUlked sctdet, btarinj the tpjrt-case* unisrnejth.—^^' 

 ysise* only the genus Equifletum. (fig. I.) 



U 2. 



Ilg. 1. Summit of the 8tem of Eqwisetom Bylraticmn; a, part of the a*ii of 

 *h«> cone of fructification; l>, some of the fruit bearing organs, magnified; c. a 

 •eperate three* more raagaified. 



"*• 2 - Kjlypodiuai vuigare; a, a rtivUion (pinna) of Schizsea pusilla, showing 

 the aesiile ipjrangia occupying its lower iurface; b, one of the sporangia more 

 magnified. * 



