XIX] 



HABIT 



47 



Fig. 340. Ophioglossiiin viilgatitm L. A, old plant sprung as an adven- 

 titious bud from the root a, b : from its stem have sprung further 

 roots {c-d, e-f), from one of which again an adventitious bud {k) 

 has arisen ; g, the leaf for the next vegetative period, still folded ; 

 i, an abortive spike attached to the expanded leaf. (After Stenzel.) 

 B, an old plant with one sterile and one fertile leaf. C and D show 

 form of leaf, with spike, and E the venation. F, G, H, details of 

 spike. /, Ophioglossuni vii/gatiivi var. polyphylla R.Br. The figures 

 A-D and J are half natural size. (From Luerssen, Rab. Krypt. 

 Flora.) 



