1 
CLASSES, DIVISIONS, AND OKI^ERS. 
Class III. CRYPTOGAMEJi:. 
* Vasculares. Stems with a few ducts amongst the 
cellular tissue. Producing spores (not seeds), -which 
develop into a prothallus which bears antheridia 
and archegonia. 
99. Ut/idsetacea^. Capsules on the under side of the 
peltate scales of terminal cones. Stems jointed, with 
whorled branches. — Horse-tails 515 
100. Filices. Capsules on the edge or under side of 
fronds, or rarely on separate branch of frond. — Fronds 
usually circinate 518 
101. Marsileacea'. Capsules in the cells of globular 
coriaceous sessile or shortly stalked axillary receptacles.. 534 
102. Lycopodiacew. Capsules in the axils of imbricate 
leaves or terminal spikes, 2 — 3-valved 534 
** Stems formed of one or more parallel tubes, verti- 
cillately branched. Nucules and globules on the 
branches. 
103. Characecv. Leafless, branched. Fructification of 
red globules and ovoid nu'cules with a spirally twisted 
coat, on the same or different plants 537 
