702 



INDEX 



Riccia — Cont. 



antheridium, 31, 33 



apical cell, 38 



archegonium, 29, 31 



cafypira,, 36 



dichotomy, 27 



embryo, 33 



rhizoids, 28 



sex-organs, 28 



spermatozoids, 33, 610 



spore-division, 35, 610, 611 



sporophyte, 33, 34 



thallus, 24, 25, 28 



ventral lamellae of thallus, 26 

 Bischoffi, 30 

 crystallina, 27 

 fluitans, 24, 27, 39, 610 

 Frostii, 610 

 glauca, 23, 29, 36, 610; Figs, i, 



2, 3> 4, S, 6 

 trichocarpa, 24, 29, 30, 36, 67, 

 610; Figs. 4, s, 6, 7, 8, 9 

 hairs, 39 

 Ricciaceae, 17, 18, 24, 41, 46, 47, 



S9, 71, 75 

 adventive buds, 27 

 classification, 39 

 germination, 36 

 Eicciocarpus, 8, 40, 41, 42, 564, 610, 

 611 

 air-chambers, 39, 40, 610 

 monoecious reproduction, 40 

 sexual organs, 40 

 terrestrial form, 40 

 ventral lamellae, 40 

 natans, 39, 610; Fig. 10 

 Riella, 8, 73, 75, 83 

 structure, 84 

 Americana, 84 ; Fig. 36 

 helicophyUa, 84 ; Fig. 36 

 Root, 3, 4. 6, 9. 1 57, 230, 243, 257, 

 271, 284, 287, 288, 290, 323, 

 335, 357, 428, 454, 455, 469, 

 472, 498, S19, 530, 552, 556, 

 566, 568, S7S 



Root — ■ Cont. 



adventive, 498 



apical cell, 359 



apical growth, 363 



AzoUa, 411 



Botrychium, 259, 266 



branching, 499 



budding from, 258, 339 



development, 336, 337 



dichotomy, 258, 556 



Equisetimi, 469 



exogenous, 470 



HymenophyUacea;, 381 



Marattiaceae, 288, 630 



Marsiliaceae, 433 



Musdneae, 9 



Ophioglossum, 252, 253, 254, 

 626, 627, 629 



origin, 569 



Osmundaceae, 362, 363, 364 



primary, 456, 492 



primary (Azolla), 406 



primary (Onoclea), 325 



primary (Osmunda), 359 



secondary, 339, 472, 498 



SelagineUa, 529 



sieve-tubes, 338 



Stigmaria, 589 



vascular bundle, 254, 287, 337, 

 471, 499, 530, 629, 631 

 Root-buds, S74 

 Root-hairs, 286, 412, 498 



Salvinia, 339, 396, 398, 400, 401, 

 402, 403, 406, 409, 417, 439, 

 636, 637 

 antheridium, 398 

 leaves, 411 

 prothallium, 403 

 sporocarp, 412, 415 

 natans; Figs. 233, 238 

 Salviniacese, 234, 307, 311, 396, 

 441, 603 

 gametophyte, 398 

 stem-structure, 409 



