THE PINES OF MEXICO. 



2 9 



17. PINUS PATULA Schl. & Cham. 



PiNUS patula Schlechtendal & Chamisso, Linnaea vi, 354 (1831); xii, 488 (1838). Lam- 

 bert, Gen. Pin. ed. 3, i, 36, t. 19 (1832); ed. 1, iii, text and plate (1837). Loudon, Arb. et 

 Frut. Brit, iv, 2266, fig. 2175 (1838) ; Encycl. Trees & Shrubs, 992, fig. 1856 (1842). 

 Antoine, Die Conif. 35, t. 16, fig. 2 (1840). Endlicher, Syn. Conif. 157 (1847). P ar " 

 latore, DC. Prodr. xvi, pt. 2, 397 (1868). Hemsley, Bot. Biol. Cent. Am. iii. 189 (1883); 

 Gard. Chron. ser. 2, xxiii, 108, figs. 19, 20, 22 (1885). Veitch, Man. Conif. ed. 2, 355 

 (1900) 



Leaves with persistent sheaths, in fascicles of 3, sometimes 4 or 5, 15-30 cm. long, slender, 

 pendent, serrate; resin ducts medial, occasionally internal ; hypoderm weak and inconspicuous. 

 Conelets lateral, long-pedunculate, single or in clusters of 2-12, their scales tumid, transversely 

 carinate, armed with a delicate deciduous prickle. Cones subsessile, reflexed, oblique, conical, 

 6-9 cm. in length, persistent; apophyses tumid, unequally developed, of a glossy dark brown 

 color. Seed-wing somewhat thickened at the base. Branchlets multinodal, pruinose, slender, 

 the cortex deciduous, scaly and red for many years. 



A tree 12-15 meters in height, with long, slender branches, red upper trunk, persistent clus- 

 tered cones and slender drooping leaves. Growing in warm temperate altitudes of central and 

 eastern states and associated with P. teocote. 



Nelson, 289 (398550, 347472) Mt. Orizaba; 3936 (398605) Pinal des Amoles, Quer^taro ; 3938 (398606) En 

 carnacion, Hidalgo. Goldman, 16 (324779) Huauchinango, Puebla. Rose 6r* Hough, 4291 (346234-5) Las 

 Vigas, Vera Cruz. Rose, Painter & Rose, 8481 (451973) Encarnacion, Mexico. Pringle, 7835, Jalapa, Vera 

 Cruz; 8785, Honey, Hidalgo. 



PLATE XXII. 



Fig. 1. Leaves and buds. 



" 2. Leaf-section, magn. 30 diam. 



" 3. Clustered conelets. 



" 4. Cone from Honey. 



Fig. 



5- 

 6. 



7- 



8. 



Cone from Honey. 



Seeds. 



Branch reduced. 



Open cone. 



18. PINUS CONTORTA DOUGL. 



PiNUS contorta Douglas, ex Loudon Arb. et Frut. Brit, iv, 2292, fig. 22 1 1 (1838); Encycl. 



Trees & Shrubs. 975, fig. 18 1 5 (1842). Endlicher, Syn. Conif. 168 (1847). Parlatore, DC. 



Prodr. xvi, pt. 2, 381 (1868). Sargent, Silva N. Am. xi, 89, t. 567 (1897) ; Man. Trees 



N. Am. 26, fig. 27 (1905). Britton, N. Am. Trees, 27, fig. 20 (1908). Sudworth, Forest 



Trees Pacif Slope, 49, figs. 15, 16 (1908). 



Pinus Murrayana, Oreg. Comm. 2, fig. (1853). 



Leaves in fascicles of 2, 3-8 cm. long. Cone small, 5-6 cm. in length, lustrous ochre-brown, 

 oblique, persistent, serotinous. Branchlets multinodal. 



One locality only ; common north of the United States boundary in western North 

 America. 



Goldman 1220 (565126) San Pedro Martir Mts., California Baja. 



