xlix 



Class III. CRYPTOGAME^]. 



* 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. Equi&etacece. Capsules on the under side of the 

 peltate scales of terminal cones. Stems jointed, with 

 whoiied branches. Horse-tails 615 



100. Filices. Capsules on the edge or underside of 

 fronds, or rarely on separate branch of frond. Fronds 

 usually circinate 518 



101. Marsileacece. Capsules in the cells of globular 

 coriaceous sessile or shortly stalked axillary receptacles. . 534 



102. LycopodiacecB. 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. Cliaracea. Leafless, branched. Fructification of 

 red globules and ovoid nucules with a spirally twisted 

 coat, on the same or different plants 537 



