Lehm. p. 57. — A. genuinus. p. 58. — B. Hallianus. ibid. — C. latifrons. p. 59, — 15. E. nanus 

 Lehm. p. GO. — Species fossi/es. — a. E. Bucklandii, — Palaeoxamiae Endl. p. 61. — b. E. pccli- 

 natus. ibid. — c. E. taxinus. ibid. — d. E. gigas. ibid. 

 VI. Hismgera. Gharacter. p. (">]. . 



1. H. Mantellii. p, (12. 

 VII. Kihsonia Brongn. Characler. p. 62. 



1. JV. brevis Brongn. p. 62. — 2. N. elongafa Br.ongn. ibid. — 3. N. species. ibid. 

 VIII. Zamia Linn. Character. — Adumbratio. — Distributio geographica. — Historia. — Obscrvatio- 

 nes. — Clavis specierum. p. 63 — 65. 

 1. Z. muricata Willd. p. 65. — Var. angustifolia p. 66. — 2. Z. furfuracea Ait. ibid. — 3. Z. in- 

 tegrifolia Ait. p. 67. — 4. Z. media Wffld. p. 68. — 5. Z. pumila Limi. p. 69. — 6. Z. pygmaea 

 Sims. p. 70. — 7. Z. Kickxii. p. 71. — 8. Z. debilis Willd. ibid. — 9. Z. lenuis Willd. p. 72. — 

 10. Z. angustifolia Willd. p. 73. 

 IX. Pterophyttum jRrongn. Character. p. 73. 



1. Pt. Jaegeri Brongn. p. 74. — 2. Pt. longufolium Mer. ibid. — 3. Pt. Meriani Mer. ibid. — 

 4. Pt. minus Brongn. ibid. — 5. Pt. majus Brongn. p. 75. — 6. Pt. dubium Brongn. ibid. — 

 7. Pt. enerre Merian. ibid. — 8. Pt. cretosum Bossm. ibid. 

 X. Zamiostrobus Endl. Character. p. 75. 

 1. Z. Henslowii. ibid. 

 ^lpendix. De S/igmaria. p. 76. 



Ejccerpta de Ci/cadearum usu oeconomico et virtutibus medicis. p. 76—77. 

 ^iddenda. p. 77. 

 Expiicatio Tabularum. p. 78. 

 Index generum et specio-um. p. 81, 



