48 



■» h 



OPHIOGLOSSACEAE 

 Fi^.Z. 



[CH. 



" X-'XX '•-m 







Fig. 341. Ophioif/ossiiin viilgatuni. Fig. i. Adult plant towards end of aiitunin; 

 /i, leaf of succeeding summer; sh, its sheath; 4, second leaf; 4, third leaf; 

 d, debris of dead leaves; r, parent root. Fig. 2. Longitudinal section of a very 

 young bud. /, //, ///, leaves: c, cortex; sh, sheath; xy, xylem; /Zi, phloem. 

 Fig. 3. Longitudinal section of an older bud, where the first leaf (/) is expanded ; 

 sh, shi, sh, sheaths of successive leaves. Fig. 4. Central cylinder of a very 

 young bud prepared by maceration ; r, parent root ; l^-li , traces of successive 

 leaves; r^-fi, successive roots. Fig. 5. Central cylinder of an adult stem: 

 A~A5) the traces of successive leaves. Fig. 6. Enlarged apex of a root ; the 

 first appearance of a bud. Fig. 7. Bud slightly developed, where the first leaf 

 has just pierced the sheath. Fig. 8. A false branching. (After Rostowzew.) 



