[195] Kidston (01) p. 36, fig. 2, B.
[196] Kidston (01) p. 37, fig. 2, A.
[197] Goldenberg (55) Pl. I. fig. 5.
[198] Halle (07) Pl. I. fig. 5.
[199] page 89.
[200] Halle (07).
[201] Brodie (45) p. 93.
[202] Buckman in Murchison (45) p. 6.
[203] Buckman (50) p. 415, fig. 2.
[204] Buckman (50) p. 415, fig. 4.
[205] Wickes (00) p. 422.
[206] Sollas (01).
[207] Seward (04) p. 14, Pl. II. figs. 2, 3.
[208] Vol. I. p. 240.
[209] Sollas (01) p. 311.
[210] Seward (04) p. 14.
[211] Halle (07) p. 14, Pl. III. figs. 6–12.
[212] Lindley and Hutton (31) A. Pl. LXI.
[213] Sternberg (38) A. p. 38.
[214] Schimper (70) A. p. 9.
[215] Young and Bird (22) A. Pl. II. fig. 7.
[216] No. 39314, Brit. Mus.
[217] Möller (02) Pl. VI. fig. 21.
[218] Seward (042) p. 161, Pl. VIII. figs. 2–4. The drawing is reproduced twice natural size.
[219] Oldham and Morris (63) Pls. XXXIII. XXXV.
[220] Feistmantel (77) p. 87.
[221] Heer (76) Pl. XV. figs. 1–8.
[222] Nathorst (90) A. Pl. II. fig. 3. Saporta (94) Pls. XXIII.-XXVI. Knowlton (98) p. 136.
[223] Lesquereux (78) Pl. V. fig. 12. See also Knowlton loc. cit.
[224] Zeiller (06) p. 141, Pls. XXXIX. XLI.
[225] Zeiller (00) p. 1077.
[226] Bennie and Kidston (88) Pl. VI. fig. 22.
[227] Goldenberg (55) Pl. I. fig. 3.
[228] Schimper (70) A. Pl. LVII. fig. 2.
[229] Halle (07).
[230] Goldenberg (55) Pl. I. fig. 2.
[231] Schimper (70) A. p. 10.
[232] Nathorst (08).
[233] Nathorst (022) p. 5, Pl. I. fig. 1.
[234] Fliche (03).
[235] Fliche (09).
[236] Scott (01).
[237] Rodway (95) A. p. 153.
[238] A good example of an old Lepidodendron stem (L. aculeatum) is figured by Zalessky (04) Pl. I. fig. 3.
[239] Seward and Ford (06) Pl. XXIII. fig. C.
[240] See Fischer (04).
[241] Bertrand, C. E. (91) p. 84: derived from παρά, by the side of, and ἴχνος, trace or foot-print.
[242] Renault (96) A. Pls. XXXIII. XXXIV. p. 178. For a good section of another Lepidodendron leaf, see Scott (08) p. 160, figs. 64, 65.
[243] Weiss, F. E. (07).
[244] For a fuller account of the parichnos, see Hill, T. G. (06) and other papers quoted by F. E. Weiss (07).
[245] Barrois (04). See also Etheridge (80); Geikie (03) p. 1049.
[246] Binney (48).
[247] Darwin (03) vol. II. pp. 217, 220.
[248] Solms-Laubach (92) Pl. II. figs. 2, 4.
[249] Williamson (93) p. 10.
[250] Potonié (05) Lief, iii., p. 41.
[251] Stur (75) A. Heft II. p. 277.
[252] Potonié (05) fig. 4.
[253] Seward and Leslie (08) Pl. X. figs. 1 and 2.
[254] Sternberg (26) A. Pl. XI. figs. 2–4; (02) p. 23.
[255] Corda (45) A. Pls. I.-IV.
[256] Zeiller (92) A.
[257] Kidston (93) p. 561, Pls. I. and II.
[258] Seward (90).
[259] Williamson (93) Pl. IV. figs. 30–32.
[260] Binney (62).
[261] Binney (65); see also Binney (72).
[262] Williamson (72).
[263] Weiss, F. E. and Lomax (05).
[264] Binney (62).
[265] Carruthers (69) p. 179.
[266] Kidston (86) A. p. 151.
[267] Seward (06) p. 372.
[268] Hovelacque (92).
[269] Solms-Laubach (92) Pl. II. fig. 6; Seward and Hill (00) Pl. IV. fig. 26. See p. 910 of the latter paper for other references.
[270] Gwynne-Vaughan (08).
[271] Jeffrey (98). See also Tansley (08) p. 37.
[272] Seward (99) p. 144.
[273] Steinberg (26) A.
[274] Goeppert (52) A. p. 196. See also Kidston (01) p. 50.
[275] ibid. (52) A. p. 44. Pls. XXX. XXXI. Lief. i and ii.
[276] Balfour (72) A.
[277] Good examples are given by Schmalhausen (77) Pl. III.
[278] Steinhauer (18) A. Pl. IV. fig. 5.
[279] Brongniart (49) A. p. 42.
[280] Goldenberg (55).
[281] Carruthers (732) p. 6.
[282] Feistmantel (75) A.
[283] Potonié (05) Lief. III. 42–44.
[284] Artis (25) A. Pls. XVI. XXIII.
[285] Steinberg (38) A.
[286] Stur (75) A. Heft II. p. 229.
[287] Lindley and Hutton (31) A. Pls. V. and VI.
[288] Kidston (85). In this important paper Dr Kidston gives a full account of the history of our knowledge of Ulodendron.
[289] Steinhauer (18) A. p. 286, Pl. VII. fig. 1.
[290] Rhode (20) Pl. III.
[291] Lindley and Hutton (31) A.
[292] Hooker (48), p. 427.
[293] Geinitz (55) A.
[294] Carruthers (70).
[295] Williamson (72).
[296] Thompson, D’Arcy (80).
[297] Kidston (85).
[298] Seward and Ford (06) Pl. XXIII. fig. C.
[299] Shattock (88).
[300] Watson (08).
[301] Watson (08) p. 10.
[302] Renier (08).
[303] Stur (75) A. Heft II.
[304] Garden and Forest, vol. v., pp. 160–162, fig. 24 (April 6, 1902).
[305] Lindley and Hutton (35) A.
[306] Kidston (93) Pl. II. fig. 6.
[307] ibid. (02) Pl. LIII. fig. 2.
[308] Williamson (832) A. Pl. 34.
[309] Feistmantel (75) A. p. 193, Pls. XXXIV.-XXXVII.
[310] Feistmantel loc. cit. Pl. XLVII.
[311] Grand’Eury (90) A.
[312] Dawes (48).
[313] Binney (72); see also Seward (99).
[314] Carruthers (732).
[315] Williamson (72).
[316] ibid. (93).
[317] Weiss, F. E. (03).
[318] Kidston (05).
[319] Renault (96) A. p. 175, Pls. XXXIII. XXXIV.
[320] For description of the leaf-anatomy, see pp. 98, 99.
[321] Renault (79) p. 249, Pl. X.
[322] Solms-Laubach (96) p. 18, Pl. X. figs. 7–11.
[323] They are regarded as identical by Fischer (04).
[324] Binney (72) Pl. XIII. fig. 1.
[325] Seward (99).
[326] As Miss Stokey (09) points out the production of parenchyma internal to the cambium of L. fuliginosum is a feature shared by Isoetes. See also Scott and Hill (00), p. 424.
[327] Williamson (81) A. Pl. LII. p. 288. (Will. Coll. No. 379.)
[328] Binney (72).
[329] Cash and Lomax (90).
[330] Kidston (93) p. 547.
[331] Weiss, F. E. (03) p. 218.
[332] Scott, D. H. (063).
[333] Watson (07) p. 18.
[334] Seward (06) p. 378.
[335] Weiss, F. E. (02).
[336] Hick (93).
[337] Hick (932).
[338] See p. 240.
[339] Hick (93) Pl. XVI. fig. 1.
[340] Witham (31) A.
[341] Witham (33) A. Pls. XII. XIII.
[342] Lindley and Hutton (35) A. Pls. 98, 99.
[343] Brongniart (39) A.
[344] Kidston (03) p. 822.
[345] Williamson (87).
[346] Kidston (03) p. 822; Watson (07).
[347] Bertrand, C. E. (91).
[348] Williamson (80) A.
[349] Williamson (93) Pl. I. fig. 3.
[350] Volume I. p. 89. For other references to these stems, see Seward and Hill (00) p. 918.
[351] Wünsch (67).
[352] Carruthers (692) p. 6.
[353] Williamson (80) A.; (93); (95).
[354] Wünsch loc. cit.
[355] Binney (71) p. 56.
[356] Carruthers (69).
[357] Seward and Hill (00).
[358] Williamson (96) p. 175.
[359] The term meristematic zone is used because some of the cells in this region are in a state of active division, though the inner portion may consist of permanent tissue.
[360] Scott (00) p. 131; (08) p. 142.
[361] Seward and Hill (00) Pl. II. fig. 14.
[362] Worsdell (95); Bernard (04).
[363] No. 52, 625.
[364] Seward and Hill (00) p. 922.
[365] Binney (71) p. 56, Pl. XI. figs. 2a-2c.
[366] Williamson (72) p. 298, pl. XLV. fig. 35.
[367] Carruthers (72).
[368] Williamson (93) p. 30.
[369] Goldenberg (55) p. 12.
[370] See also Kidston (94), (86) A. p. 160; Potonié (05) Lief. III. 50.
[371] Stur (75) A. II. p. 330, fig. 34.
[372] Hannig (98).
[373] Young and Kidston (88) A.
[374] Potonié (012) fig. 72, p. 117.
[375] Stur (75) II. A. Pl. XXXVI. fig. 9.
[376] See Chap. XVII.
[377] Williamson (72) Pl. XLIV. p. 294: (93) (932).
[378] Kidston (01) p. 60. See also Scott (00) p. 170, figs. 67, 68.
[379] Williamson (93), Pl. VIII. figs. 51, 52. See also figs. 67–69 given by Scott (00).
[380] Scott (00) p. 173.
[381] Scott [(08) p. 187] suggests that the projection may have formed a passage for the admission of the microspores, or of the spermatozoids which they produced.
[382] Bennie and Kidston (88) Pl. VI. figs. 20, a–s.
[383] Gordon (08).
[384] Williamson (72).
[385] Carruthers (692).
[386] Zeiller (95). See also White (08) p. 447.
[387] Arber (05) Pl. I. fig. 2.
[388] Seward and Leslie (08).