﻿TEXT FIGURES. 



Page 



Fig. i. Cycadeoidea Marylandica (type) 4 



2. Cycadeoidean strobili and associated 



fronds from the Jurassic of India.. 17 



3. Ryiigeji Temple garden, [facing].... 21 



4. Tuberous and low-growing columnar 



cycadean trunk types 29 



5. Angioptcris Teysmanniana, habitus of 30 



6. Bowenia spcctabilis, plant and fruit.. 31 



7. Cycadeoidea Goucheriana (type) .... 32 



8. Cycas revoluta. — "Shishi," or lion's 



head variety 36 



9. Cycas revoluta. — "Shishi," or lion's 



head form 37 



10. Cycas revoluta. — "Hoso" or "tree- 



formed palm," and "Shishi" form . . 39 



11. Zamia vcrnicosa (?), branching plant 40 



12. Anomozamites minor, restoration.... 41 



13. Cycas revoluta, plantation in Ceylon. . 44 



14. Cycadeoidea dacotensis (Trunk 214) 47 



15. Armor development of existing cycad- 



ean trunks 50 



16. Cycad and fern ramental types 51 



17. Encephalartos villosus 51 



18. Cycadclla ramentosa, ramentum .... 52 



19. Cycadeoidea ingens, leaf base 53 



20. Cycadeoidea turrita, armor section... 53 



21. Cycadclla utopicnsis, armor section.. 53 



22. Cycadeoidea turrita, armor section.. 54 



23. Cycadeoidea Wielandi, armor section. 54 



24. Cycadeoidea sp., armor section 55 



25. Cycadeoidea sp., armor section 56 



26. Cycadeoidea sp., armor section 57 



27. Cycadeoidea ingens, armor section ... 58 



28. Cycadeoidea dacotensis (?), armor 



section 59 



29. Cycadeoidea sp., armor section 60 



30. Cycadeoidea dacotensis, leaf bases . . 61 



31. Cycadeoidea nigra, armor 61 



32. Bundle patterns and petiole bases of 



existing cycads 62 



33. Leaf-base bundle patterns of various 



cycadeoidean species 63 



34. Cycadeoidea dacotensis, vascular bun- 



dles 65 



35. Cycadella sp., trunk section 66 



36. Cycadeoidea Wielandi, trunk section.. 69 



37. Cycadeoidea Wielandi, trunk section. . 70 



38. Cycadeoidea Wielandi, trunk section.. 71 

 39A-C. Cycadeoidea Wielandi, peduncle. 72,73 



40. Cycadeoidea Wielandi, woody cylinder 74 



41. Cycadeoidea Wielandi, woody cylinder 75 

 41A. Cycadeoidea Wielandi, woody cyl- 

 inder 76 



42. Cycadeoidea Wielandi, woody cylinder 77 



Page 



Fig. 43. Cordaites Neiuberryi, woody cylinder 78 



44- Cycadeoidea ingens, Trunk 208 [facing] 81 



45. Cycadeoidea ingens (type), leaves.... 83 



46. Prefoliation of existing cycads, type I 84 



47. Prefoliation of existing cycads, type II 85 



48. Prefoliation of existing cycads, type III 86 



49. Cycadeoidea ingens (type), leaves 88,89 



50. Bowenia spectabilis, pinnule 93 



51. Cycadeoidea ingens, prefoliate frond. . 93 



52. Cycadeoidea sp 99 



53. Zamia Vroomi 103 



54. Cycadeoidea ingens (restoration of 



flower) 106 



55. Cycadeoidea sp., ovulate fruit surface 109 



56. Cycadeoidea, ovulate strobilus no 



57. Cycadeoidea, surface of ovulate cones in 



58. Cycadeoidea Wielandi, cones 112 



59. Cycadeoidea Wielandi, trunk and cone 113 



60. Cycadeoidea Paynci (?), bracts 116 



6r. Cycadeoidea Wielandi, seed stems and 



interseminal scales 119 



62. Cycadeoidea turrita, seed surface.... 121 



63. Seeds of Cycadeoidea; 122 



64. Cycadeoidea turrita, ovulate cone in 



longitudinal section 129 



65. Cycadeoidea lenneyana (?), ovulate 



cone in longitudinal section 131 



66. Cycadeoidea dacotensis ( ?), ovulate 



cone in longitudinal section 132 



67. Cycadeoidea Marshiana, ovulate cone 



in longitudinal section 133 



67A. Cycadeoidea Marshiana, serial sec- 

 tions through ovulate axis 134 



68. Cycadeoidea superba, ovulate cone ... 135 



69. Cycadeoidea, restoration of ovulate 



cone 136 



70. Cycadeoidea dacotensis, restored flower 



"bud 138 



71. Cycadeoidea dacotensis, longitudinal 



section of bisporangiate strobilus.. 144 



72. Cycadeoidea dacotensis, longitudinal 

 section of bisporangiate strobilus.. 145 



73. Cycadeoidea dacotensis, transverse 

 sections of bisporangiate strobilus, 146, 147 



74. Cycadeoidea dacotensis, transverse sec- 

 tions of bisporangiate strobilus.... 149 



75. Cycadeoidea dacotensis serial trans- 

 verse sections of bisporangiate 

 axis 150, 151 



76. Williamsonia gigas, cast of bisporan- 

 giate strobilus 152 



77. Williamsonia gigas, imprint of stam- 

 inate disk 1 53 



78. Zamia gigas, "carpellary disk" 154 



285 



