INDEX 



723 



faivliiiiainiiii, 296 (Fit;. 144) ; com- 

 planaiiuii , proihallus of, 334; dichotomum, 

 >porangial wall, 325; imtiiittiiiini, 294; 

 sporangium of. 313; prothallus of, 340; 

 embryo of, 351 ; phle^inaria, 293 ; habit 

 of (Fig. 142); sporangium of. 313 (Fig. 

 158) ; prothallus of, 342 ; eml>ry<> <if, 346 

 (Fig. 185); salakense, prothallus of, 340; 

 Selago, frontispiece ; form of, 292 ; spor- 

 angium of, 311; anatomy of, 328; 

 prothallus of, 343 (Figs. 180, 181) ; 

 embryo of, 345 (Figs. 183, 184) ; com- 

 parison of, 363. 



Lycopods, symmetry of, 210. 



Lycopsida, 486. 



705. 



, 542 (Figs. 301, 302); anatomy, 

 547 (Figs. 306, 307); sit/>a/i>tii/ii, fertile 

 primordial leaves, 187 ; early fertility, 632. 



Male shield fern, 15. 



Malformations, 481. 



Alarattia, external characters, 505 ; sorus, 

 513 (Figs. 278, 283, 285) ; anatomy of, 

 525 ; embryology of, 527 (Fig. 292). 



Marattiaceae, symmetry of, 211 ; external 

 characters, 505 ; spore-producing mem- 

 bers, 512; anatomy, 524; embryology, 

 527 ; phyletic position of, 654 (Fig. 354). 



Marchantiales, 257. 



Marsilia, 511 ; Drumtnondii, 59. 



Marsiliaceae, 551. 



Ma/onia, see Matonineae ; phyletic position 

 of, 656 (Fig. 354) ; Dipteris series, 618. 



.Mati'uiitiuin, 567. 



Matonineae, 564 (Fig. 315); spore-producing 

 members, 565 (Figs. 316, 317) ; anatomy, 

 569 (Fig. 319). 



Medullation in Lefidodendron, 334. 



Megaphylly, secondary in Ferns, 657. 



Megaphyton, 508, 625. 



Megasporangia, ot Selaginella, 317; of /.*, 

 320. 



Meristele, 190. 



Meristems of Ferns, comparative study of, 

 650. 



Meroblastic segmentation, 66l, 665. 



Mesarch xylem, of Helminth,*-: < -\ . 486; 

 of 'J'/ih-sipti-ris, 486 (Fig. 268). 



Metamorphosis, 157, 151. 



Metzgeria, 266. 



Miadismia, 704; membranacea, 301. 



filicrodictyon, 567. 



2 Z 2 



Microl,:pia, 596 (Fig. 332), 613, 614. 

 Microsporangia niSelnginella, 317: of/ 



3I9- 



Migration from \\ater In land. S . 



Mixtae, 117, 497, 498, 612, 631. 



Mohria, 542 (Figs. 301, 302); anatomy, 548. 



Monarch roots in ( )phioglossaceae, 45<S ( Fig. 



256) ; in Lycopods. 259. 

 Monoc/ea, 262 (Fig. 122) ; symmetry of, 204. 

 Monophyllous habit in Ophioglossaceae, 431. 

 Monostele, 190. 



Moss, cauline stelar column, 195. 

 Musci, 272. 

 Mycorhi/a, in Cyathea, 240 ; in \i'nft/\i 



and San'odes, 240; in Psilotaceae, 241 ;. 



in Ophioglossales, 241, 477: in Lycopods, 



478 ; in Ferns, 478. 

 Mycorhixic symbiosis, its relation to reduction) 



240. 

 Myosurns, 128. 



Najas, 127. 



Nanoiiiilriitni, 283 (Fig. 140). 



Nephrodium dilatatum, apognmy, 53 ( l''ig. 



35)- 



Aentalion, 67. 



Nematophycus, 228. 



\ephrodiuni I-'ilix-nias, 15-25 (Figs. I, 2,4, 

 5, 6, 9, 10, 11); /JY//</('-;//I;\, v. crislata, 

 apogamy and apospory, 5^ (^''.^- '^ : 

 v. polydiutylitm, 57, 58 (Fig. 39). 



Nettropteris, 705. 



Non-medullated nmnostele, 339. 



Non-soral state in Ferns, 633. 



A'otot/iytas, 269 (Fig. 131). 



Nuclear division, 47, 48 (Fig. 31). 



Nutrition of sporophy te, 242. 



Nutritive cells, 263. 



Octants, theory ol, 179. 



Oligocarpia, 554, 560 (Fig. 312); liiidsaioidcs, 

 522 (Fig. 289). 



Onagraceae, 96. 



Otioc/ea, 617 ; .<v;/\//>///.<, 29 (Fig. 13) ;. 

 Slnttliiflptcris, iliffen-m ialioii of leaves, 

 i6<) (Fig. 89). 



Ophioglossales, symmetry of, 212, 430; 

 external characters, 431 ; -p. >n --producing 

 members, 147, 484: anatomy. 458; em- 

 bryology, 464, 489; < Minpaiutive discus- 

 sion of, 476; mycorhi/a in, 4/7: noi a 

 reduciion series, 477 ; origin from poran- 

 giopliiiric I'h-i idoph\ tes, )o ,. 



