696 



INDEX 



Marchantiales — Cont. 

 gametophyte, 20 

 rhizoids, 23 

 Marchantieae, 69 

 Marchantites, Sezannensis, 577 

 Marsilia, 5, 417, 418, 419, 423, 435, 

 439, 442, 637 

 antheridium, 420 

 embryo, 426 



germination of spores, 418 

 leaf, 429, 432 

 macrospore, 422 

 microspores, 418 

 stem-structure, 432 

 tubers, 433 



vascular bundle of stem, 433 

 /Egyptiaca, 418 



Drummondii, 424, 429, 432, 433 

 hirsuta, 433 

 polycarpa, 432 

 quadrifolia, 433 ; Fig. 255 

 salvatrix, 433 



vestita, 418, 421, 422, 424, 429, 

 432, 434; Figs. 243, 244, 245, 

 247, 248, 250, 253 

 Marsiliaceae, 7, 234, 310, 311, 396, 

 417, 441, 603 

 embryo, 426 



female prothallium, 422, 423, 424 

 fertilization, 425 

 germination of spores, 7, 418 

 roots, 433 

 sporocarp, 434 

 Massula, 398, 415 

 Mastigobryimi, 117 



trilobatum. Fig. 61 

 Matonia, 371, 580, 584, 636 

 affinities, 372 

 stem-structure, 372 

 pectinata, 37i» 372 ; Fig. 213 

 sarmentosa, 371 

 Matoniaceae, 310, 311, 371, 584 

 Mechanical tissues, 565, 566 

 Medullary rays, 261, 263, 590 

 Medullary steles, 328 



Medullosa, 585 

 Megaceros, 620, 621 

 Megasporangium, see Macrosporan- 



gium 

 Megaspore, see Macrospore 

 Mesophyll, 266, 334, 528 

 Mesospore, 513, 560 

 Mesozoic, 582, 583, 584, 587 

 Mesozoic fossils, 580 

 Metaxylem, 244 

 Metzgeria, 14, 72, 85, 88, 95, 99, 



114, 116, 121, 314, 349, 593, 



607, 615, 618 

 furcata, 87, 94 

 pubescens, 85 ; Fig. 37 

 Metzgeriaceae, 74, 615 

 Metzgerieae, 75 

 Microsporangium, 414, 415, 417, 



438, 524, 532, 558, 559 

 Microspores, 179, 538 



Marsilia, 418 

 Middle lobe, 58 

 "Mittelhaut," 443 

 Mittenia, 615, 617 

 Mixtae, 312 

 Mnium, 161, 373 



archegonium, 202 

 affine, 622 



cuspidatum, 164, 202 

 Mohria, 384, 385, 386 

 Monoclea, 21, 23, 42, 48, 70, 71, 

 609, 613, 614 

 Forsteri, 70 

 Gottschei, 70 

 Monocotyledons, 142, 548, 561, 590, 



605 

 Monoselenium, 614 

 Monostelic stem, 526, 581 

 Morkia, 617 



Mosses, 2, 3, 8, 9, 10, II, 12, 14, 20, 

 31, 60, 74, 103, 109, 116, 119, 

 120, 131, 157, 160, 161, 178, 

 182, 188, 190, 193, 229, 230, 

 231, 305, 372, 565, 566, 568, 

 570, 577, 578, 594, 595 



