56 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



sublustrous. The following names are said to be applied to the tree in various 

 localities: " Jalocote," " xalocotl " (Nahuatl), " ocote," " ocotl." " pino real." 



The tree produces turpentine ("ocotzol," " trementina de pino," " trementina 

 de ocote") which is used in medicine as a balsamic stimulant, and for other 

 purposes for which turpentine is generally employed. The tar ("brea") 

 remaining after the distillation of turpentine is used for making torches, in 

 soap, etc. 



15. Pinus lawsoni Koezl ; Gord. & Glend. Pinet. App. 64. 1862. 

 Pinvs aUamirani Shaw; Sarg. Trees & Shrubs 1: 209. 1905. 

 Michoacfln and Morelos to Oaxaca, growing at subtropical levels. 



Tree, 20 to 25 meters high, the branchlets with a white bloom ; leaves 24 cm. 

 long or shorter, glaucous; cones usually 5 to 6 cm. long, refiexed, deciduous, 

 dull yellowish brown. "Ocote" (Oaxaca). 



16. Pinus pseudostrobus Lindl. Bot. Reg. 25: ]Misc. 63. 1839. 

 Pinus apulcensis Lindl. Bot. Reg. 25: Misc. 63. 1839. 



Pinus tenuifolia Benth. PI. Hartw. 92. 1842. 



Pinus orisahae Gord. Journ. Hort. Soc. Lond. 1: 237. 1846. 



Durango and Sinaloa to Veracruz and Chiapas, chiefly at subtropical levels ; 

 type from Orizaba. Guatemala and Nicaragua. 



Large tree, the trunk sometimes nearly 2 meters in diameter; bark smooth 

 at first, becoming very rough in old age, the branches slender, verticillate ; 

 leaves 15 to 30 cm. long, pendent; cones 7 to 14 cm. long, early deciduous. 

 "Pino real" (Durango, Patoni). 



17. Pinus montezumae Lambert, Descr. Pinus ed. 3. 1: 39. 1839. 

 Pinus devoniana Lindl. Bot. Reg. 25: Misc. 62. 1839. 



Pinus russelliana Lindl. Bot. Reg. 25: Misc. 63. 1839. 



Pinus macrophijUa Lindl. Bot. Reg. 25: Misc. 63. 1839. 



Pinus flii folia Lindl. Bot. Reg. 26: INIisc. 61. 1840. 



Pinus grenviUcae Gord. Journ. Hort. Soc. Lond. 2: 77. 1847. 



Pinus gordoniana Hartw. .Tourn. Hort. Soc. Lond. 2: 79. 1847. 



Pinus mincesteriana Gord. Journ. Hort. Soc. Lond. 2: 1.^8. 1847. 



Pinus lindleyana Gord.; Gord. &. Glend. Pinet. 229. 1858. 



In the mountains, Durango and Zacatecas to Chiapas. Guatemala. 



Tree, 15 to 20 or even 30 meters high ; leaves 10 to 45 cm. long ; cones sub- 

 cylindric, 6 to 25 cm. long, deciduous, brown or nearly black, dull. Reko 

 states that the following names are applied in Oaxaca : " Ocote bianco," " pino 

 de Montezuma," " yutnusatnu " (Mixtec). The following names are said to 

 be applied in various regions : " Ocote," " ocotl," " pino real," " pino bianco." 

 " ocote hembro," " ocote macho." 



18. Pinus hartweg-ii' Lindl. Bot. Reg. 25: Misc. 62. 1839. 

 Pinus rudis Endl. Syn. Conif. 151. 1847. 



Pinus chrcnhcrgii Endl. Syn. Conif. 151. 1847. 



*Karl Theodor Hartweg (1812-1871) was born at Karlsruhe, Germany.. In 



1836 he was sent by the Hortifultural Society of Tiondon to M(>xico to collect 

 living plants and seeds for introduction into England. He reached Veracruz 

 in December, 1836, and made collections about Sanla Fe and Zacuapan. Later 

 he visited Guanajuato, Aguascalientes, Jalisco, Hidalgo, and San Luis Potosl. 

 In 1838 he .spent two months at Morelia, and in 1839 he botanized in Oaxaca. 

 Later he visited California. Guatemala, and the Andes of South America. 

 His collections, which included many new species, were described by Bentham 

 in a work entitled " Plantae Ilartwegianae " (1839-42). 



