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(7) Candido de Souza Brito, Ezequiel: Zonas naturas de produccao brasilera em suas relacoes botanicas e dendrologicas. Boletim, Ministerio da Agric., Indus., e Commercio. Rio de Janeiro, 1912 (?).

(8) Castro, Eduardo B.: Las maderas Argentinas; su importance industrial. Rosario, 1918.

(9) Catalogo forestal de la Republica Mexicana. Secretaria de Fomento, Dept. de Bosques. Mexico, 1912.

(10) Dispensatory of the United States. 18th edition.

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(13) Fée, A.: Notice sur les plantes dites sommeillantes, et en particulier sur le Porlieria hygrometrica R. et Pav. Bull. Soc. Bot. de France, 5: 451-469, 1858.

(14) Flückiger, Friederich A., and Daniel Hanbury: Pharmacographia in Great Britain and British India. London, 1879.

(15) Galletley, A.: Observations on the wood of certain resin-producing trees. Trans. Edinburg Bot. Soc., 17: 381-388, 1888-9.

(16) Gamble, J. S.: A manual of Indian timbers. London, 1902.

(17) Gildemeister, E., and Fr. Hoffman: The volatile oils. Am. ed. Milwaukee, 1900.

(18) Gorsica, C. S.: Curaçao trade in woods. Commerce Reports, Washington, D. C., No. 153, July 1, 1918.

(19) Haman, Miles: Lignum-vitae in Curaçao. American Forestry, 23: 282: 331, June, 1917.

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(25) Humboldt, Alexander de: Personal narrative of travels to the equinoctial regions of the New Continent during the years 1799-1804. Vol. III, London, 1822.

(26) Hutchinson, W. I.: A Philippine substitute for lignum-vitae. Bul. No. 9, Bur. Forestry, Manila, 1910.

(27) Jordan, Francis C.: Commercial woods of Mazatlan district. Commerce Reports, Washington, D. C., No. 126, May 29, 1918.

(28) Largest order for lignum-vitae. Hardwood Record, Chicago, Nov. 10, 1918, p. 22.

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(30) Lücker, Eduard: Beiträge zur Kenntniss der Chemie des Guajadharzes. Dissertation, Jena, 1892. See Beihefte zum Bot. Centralblatt, 3: 290-1, 1893.

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(33) Mell, C. D., and W. D. Brush: Quebracho wood and its substitutes. Cir. 202, U. S. Forest Service, Washington, D. C., 1912.

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(37) Rogers, Allen: Industrial chemistry. New York, 1915.

(38) Rothkugel, Max: Los bosques Patagonicos. Buenos Aires. 1916.

(39) Sargent, Charles S.: Report on the forests of North America (exclusive of Mexico). Vol. 9, Tenth Census. Misc. Doc. 42, part 9, House of Rep., Washington, D. C., 1884.

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(42) Schomburgk, Richard: Versuch einer Fauna und Flora von Britisch-Guiana. Leipzig, 1848.

(43) Sievers, W.: Die Cordillere von Mérida nebst Bemerkungen über das karabische Gebirge. Geogr. Abhandlungen h. v. Prof. D. Albrecht Penkt in Wien, 3: 1: 174, 1888.

(44) Spegazzini, Carlos: Maderas. Exposición International de Agricultura de 1910. Argentina. (Complete publication not available.)

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ADDITIONAL REFERENCES

Beauverie, J.: Le Bois, Vol. II. Paris, 1905, pp. 950-953.

Bentley and Trimen: Medicinal plants. Vol. I, No. 41. London, 1880.

Burgerstein, A.: Anatomische Untersuchungen argentinischer Hölzer. Ann. d.k.k. naturhistorischen Hofmuseums. Bd. 26, Wien, 1902.

Eric, Allan: The guaiacum and cinnamon trees in Jamaica. Pharm. Journ. Ser. 3, Vol. 23, pp. 47-48, 1893.

Fawcett, Wm., and A. B. Rendle: Flora of Jamaica. Vol. IV, London. 1920, pp. 162-164.

Holtzapffel, C.: A descriptive catalogue of woods. 1875.

Howard, Alexander L.: A manual of the timbers of the world. London, 1920, pp. 119-122, 299.

Krais, Paul: Die Hölzer, Stuttgart, 1910, pp. 711-712: 714.

Laslett, Thomas: Timber and timber trees. London, 1894, pp. 283-284.

Lignum-vitae: Champion of heavy woods. Raw Material (New York) 4: 7: 246-253, July, 1921.

Loudon, J. C.: An encyclopædia of plants. London, 1829, pp. 352-3.

Paetzold, E.: Beiträge zur pharmacognostischen und chemischen Kenntniss des Harzes und Holzes von Guayacum officinale. Diss. Strassburg, 1901.

Parodi, Domingo: Notas sobre algunas plantas usuales del Paraguay, de Corrientes y de Misiones, Buenos Aires, 1886, p. 82.

Piccioli, Lodovico: Technologia del legno. Torino, 1919, p. 286.

Pearson, C. H.: Lignum-vitae of commerce. The Cuba Review (New York) 14: 9: 12-15, Aug. 1916.

Pittier, H.: Esbozo de las formaciones vegetales de Venezuela con una breve reseña de los productos naturales y agricolas. Caracas, 1920, pp. 27, 28.

Praël, Edmund: Vergleichende Untersuchungen über Schutz-und Kern-Holz der Laubbäume. Pringsheim’s Jahrbücher für wissenschaftliche Botanik, 19: 32-35, 1888.

Record, Samuel J.: Lignum-vitae: The vital wood. Scientific American Sup., No. 2270, July 5, 1919, pp. 4-5; 15.

Record, Samuel J.: Lignum-vitae blocks for stern bearings on steamships. Woodworker (Indianapolis), Apr. 20, 1920, p. 40.

Record, Samuel J.: Lignum-vitae imports increase. Hardwood Record (Chicago), 50: 9: 18-19, Feb. 25, 1921.

Snow, Charles H.: The principal species of wood: Their characteristic properties. New York, 1910, p. 113.

Solereder, Hans: Systematic anatomy of the dicotyledons. Oxford, 1908, pp. 167-9; 850.

Tschirch, A.: Die Harze und die Harzbehälter. Leipzig, 1906, pp. 805-811.

Williams, Wallace Dent: Physical properties of lignum-vitae and its substitutes. Raw Material (New York) 4: 8: 290-292, Aug. 1921.

Woodville, Wm.: Medical botany. Vol. III, London, 1832, p. 557.

Photo by Pittier

GUAIACUM SANCTUM VAR. OF HAITI

Photos by Mell

(In the background is a large pile of logwood.)]

Photos by Mell

Printed by the Yale University Press at the Earl Trumbull Williams Memorial

Transcriber note:

Inconsistent spelling has been standardised. Punctuation errors have been corrected. Italics are enclosed by underscores. Smallcap text has been capitalised.