344 



INDEX 



Trichomanes spicatuvi, habit of, 255 (Fig. 



504) 

 T. tenerum, sorus of, 241 (Fig. 511) 



Trichopteris, 300 



Trockopteris, 162 



Trunk of Cauloptcris, 100 (Fig. 394) ; (bi- 

 furcated) of Cyatlica medullaris^ 294 

 (Fig. 556) 



Tubicaiihs, 10; stems of, 13 

 T. solenites, 14 (Fig. 315) 



Type, Gradate, 233; Mixed, 233 



Vascular anatomy of Ophioglossaceae, 55 ; 

 bundle of Stauropteris old/iaiiiia, 29 

 (Fig. 330); ontogeny of Tree- Fern, 299 ; 

 skeleton of Hcbninthostachys stylainca, 

 60 (Fig. 353); strands, medullary sys- 

 tem of, 306 ; structure, 2 ; structure of 

 Bohyopteris, 12; system oi Alsophila 

 excelsa,2C)() (Fig. 562) ; system of Ophio- 

 glossum palmattun, 61 (Fig. 355) ; sys- 

 tem of, Cyathea mcdu/laris, 297 (Fig. 

 559) ; system of stem of Cibotiuvi Baro- 

 metz, 264 (Fig. 532) 



Vegetative features of prothallus, 4 ; slxnc- 

 \.\xx& oi Ankyropteris^ 18 



Vein-fusion in Honitelia^ 305 



Venation of Botrychmni jeninani, 63 (Fig. 

 358); B. virgittianum., 63 (Fig. 358); 

 of Cyatheae, 295 (Fig. 557); oi Hemi- 

 telia Karsteniaiia, 296 (Fig. 558); of 

 leaf, 2; oi Matonia pectifiahi, 221 (Fig. 

 497) ; of M. sarinetitosa, 221 (Fig. 497) ; 

 of Ophioglossaceae, 43 (Fig. 335) ; of 

 Schizaeaceae, 160 



Wings of leaves of Angiopteris, 



396) 

 Woodsia, 303 



(Fig. 



Xylem-ring oi Osmunda regalis, 137 (Fig 

 428) ; of Todea barbara, 137 (Fig. 428) 



Xylem-strands of Osmunda regalis, 135 

 (Fig. 426) 



Young fertile leaves of Schizaea rupestris, 

 190 (Fig. 471); leaf of Osmunda cin- 

 namomea^ 132 (Fig. 422); leaves of 

 Schizaea rupestris, 164 (Fig. 448), 189 

 (Fig. 470); receptacle of Trichomanes 

 speciosuni, 242 (Fig. 514); sorus of y^/.yt'- 

 phila atrovirens, 301 (Fig. 564); sorus 

 of Cibotiuni Scheidei, 266 (Fig. 535); 

 sorus of Cyathea dealbafa, 302 (Fig. 

 565); sorus oi Dipteris coiijugaia, 317 

 (Fig. 575); sorus of Hynienophylluin 

 IVilsoni, 241 (Fig. 513); sporangia of 

 Todea barbara, 133 (Fig. 424), 144 (Fig. 

 433); sporangium of Schizaeaceae, 170 

 (Fig. 45S); sporangium, segmentation 

 of, 308 ; sporeling of Opliioglossuin vul- 

 gatum, 85 (Fig. 387) 



Zalesskya, 126, 139 



"Zellflachen, borstenformige," 267 



Zygopterideae, 6, 10, 17, 229; age of, 17; 

 leaf-trace of, 25 ; meristele of, 21 ; stel- 

 late stele of, 23 



Zygopterids, secondary wood of, 25 ; sporan- 

 gia of, 30 



Zygopteris Grayi, aphlebiae of, 97 



CAMBRIDGE: PRINTED BY W. LEWIS, M.A., AT THE UNIVERSITY PRESS 



