Chapter XXXV

PALAEOZOIC GYMNOSPERMOUS SEEDS. Pp. 300–365.

I. +Lagenostomales+ 308–318
=Physostoma= 309–312; =Conostoma= 313–316;
=Sphaerostoma= 316; =Lagenostoma= 316; =Gnetopsis=
317, 318.

II. +Trigonocarpales+ 318–332
=Trigonocarpus= 319–321; =Tripterospermum= 321;
=Ptychotesta= 321; =Hexapterospermum= 321–323;
=Polypterospermum= 323; =Pachytesta= 323–326;
=Stephanospermum= 326–329; =Polylophospermum= 329,
330; =Codonospermum= 330, 331; =Aetheotesta= 331,
332; =Eriotesta= 332; =Gaudrya= 332.

III. +Cardiocarpales+ 332–356
=Cardiocarpus= 338–340; =Cyclospermum= 340,
341; =Cycadinocarpus= 341; =Rhabdocarpus= and
=Rhabdospermum= 341–345; =Mitrospermum= 345,
346; =Diplotesta= 346; =Leptocaryon= 346, 347;
=Taxospermum= 347; =Compsotesta= 347, 348;
=Samaropsis= 348–354; =Cordaicarpus= 354–356.

IV. +Miscellaneous Seeds+ 356–365
i. =Hexagonocarpus= 356,357; =Decagonocarpus= 357;
=Polypterocarpus= 357, 358; =Rhynchogonium=
358–360; =Boroviczia= 360; =Diplopterotesta= 360,
361; =Musocarpus= 361; =Holcospermum= 361–363.

ii. =Malacotesta= 363; =Thysanotesta= 364;
=Carpolithus= 364, 365; _Microspermum_ 365.

CHAPTER XXXVI
CYCADOPHYTA (+Fossil+). Pp. 366–420.

=BENNETTITALES= 367–420
=Cycadeoidea= 367–417
=Cycadella= 417, 418
=Amphibennettites= 418
=Vectia= 419, 420

CHAPTER XXXVII

=BENNETTITALES= (_continued_) 421–477
=Williamsonia= 421–463
=Wielandiella= 463–467
=Williamsoniella= 467–473
=Cycadocephalus= 473–475
=Weltrichia= 475–477

CHAPTER XXXVIII
CYCADOPHYTA. Pp. 478–506.

i. =Bucklandia= 480–490; =Cycadeomyelon= 490, 491;
=Colymbetes= 491–494; =Cycadeolepis= 494–496.

ii. =Carpolithus= 497–500; =Cycadospadix= 500, 501;
=Beania= 502; =Zamiostrobus=, =Cycadeostrobus=
503–505; =Androstrobus= 505, 506.