INDEX 



645 



dehiscence of antheridium, 53 

 germination of spores, 66 

 mucilage cells, 43, 69 

 oil-bodies, 44 

 pores, 42 

 receptacles, 47 

 regeneration, 69 

 rhizoids, 42 

 sexual organs, 49 

 spores, 47 



sporogonium, 47, 65 

 sporophyte, 59 

 sub-families, 

 transpiration in, 69 

 water conservation, 69 

 xerophytic, 67 



Marchantiales, 8, 20, 21, 24, 74, 78, 

 120, 158, 159, 593 

 air-chambers, 23 

 dichotomy, 22 

 gametophyte, 20 

 rhizoids, 23 

 thallus, 23 

 Marchantieae, 69 

 Marchantites, Sezannensis, 577 

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

 439, 442 



antheridium, 420 

 embryo, 426 



germination of spores, 418 

 leaf, 429, 432 

 microspores, 418 

 stem-structure, 432 

 tubers, 434 



vascular bundle of stem, 433 

 yEgyptica, 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, 428 



female prothallium, 422 

 fertilization, 425 



germination of spores, 7 

 roots, 433 

 sporocarp, 434 

 Martensii, 519 

 Massulse, 398, 415 

 Mastigobryum, 117 



trilobatum, Fig. 61 

 Matonia, 371, 580, 584 

 affinities, 372 

 stem-structure, 372 

 pectinata, 371, 372; Fig. 213 

 sarmentosa, 371 

 Matoniaceae, 310, 311, 371, 584 

 mechanical tissues, 565, 566 

 medullary rays, 261, 263, 590 

 medullary steles 



Pteris, 328 

 Medullosa, 585 

 mesophyll, 266, 334, 528 

 mesospore, 514, 560 

 Mesozoic, 582, 583, 584, 587 

 Mesozoic fossils, 580 

 metaxylem, 244 



Metzgeria, 14, 72, 85, 88, 95, 99, 1 14, 

 116, 121, 314, 349, 593 



ventral hairs, 86 

 furcata, 87, 94 

 pubescens, 85; Fig. 37 

 Metzgeriacese, 74 

 Metzgeriese, 75 

 microsporangium, 414, 415, 417, 43^, 



524, 532, 558, 559 

 microspores, 179, 538 



Marsilia, 418 

 middle lobe, 58 

 "Mittelhaut," 443 

 Mixtae, 312 

 Mnium cuspidatum, 161, 373 



archegonium, 202 

 Mohria, 384, 385, 36 

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

 Forsteri, 70 

 Gottschei, 70 

 Monocotyledons, 142, 548, 561, 590, 



605 



monostelic stem, 526, 581 

 mosses, 2, 3, 8, 9, 10, n, 12, 14, 20, 

 31, 60, 74, 103, 109, 116, 119, 120, 

 J 3i> 157, !6o> 161, 178, 182, 188, 



