STANDLEY TREES AND SHRUBS OF MEXICO. 729 



Leaves glabrate beneath when mature, or pilosulous, the tomentura, if any, 

 confined chiefly to the venis. 

 Plants scarcely climbing, the tendrils mostly abortive; leaves comparatively 



small 1. V. arizonica. 



Plants climbing, the tendrils well developed ; leaves large. 



Tomentum none on the leaves 2. V. bourgaeana. 



Tomentum usually present on the lower surface of the leaves along the 



veins 3. V. berlandieri. 



Leaves with persistent loose or close tomentum over the whole lower surface. 



Tomentum wholly gray or whitish 4. V. cinerea. 



Tomentum rusty or reddish, at least along the veins 5. V. tiliifolia. 



1. Vitis arizonica Engelm. Amer. Nat. 2: 321. 1868. 



Baja California and Sonora to Coahuila and Tamaulipas. Western Texas 

 to Arizona and Utah. 



Plants much branched, the stems floccose-tementose ; leaves broadly cordate, 

 mostly 4 to 6 cm. long, acute or short-acuminate, coarsely dentate, sometimes 

 shallowly lobate, loosely floccose beneath when young; fruit black, 2 or 3- 

 seeded. " Vid," " parra " (Tamaulipas). 



Havard * remarks concerning this species, " Vitis arizonica has been found 

 growing in rows near Fort Whipple, Arizona, which may be accepted as con- 

 clusive evidence of its culture by the Pueblo Indians." 



2. Vitis bourgaeana Planch, in DC. Monogr. Phan. 5: 368. 1887. 



Jalisco to Morelos, Puebla, and Veracruz ; type from the region of Orizaba, 

 Veracruz. 



Stems loosely floccose-tomentose ; leaves broadly cordate, 7 to 15 era. long, 

 acuminate, irregularly dentate, often shallowly 3-lobate or deeply 5-lobate, 

 glabrate above, beneath sparsely pilosulous or glabrate. 



3. Vitis berlandieri Planch. Compt. Rend. Acad. Sci. (Paris) 91: 425. 1880. 

 Coahuila to Veracruz. Western Texas. 



Stems loosely floccose-tomentose or glabrate; leaves broadly cordate, 9 to 

 14 cm. long, often as broad as long, short-acuminate, coarsely dentate and often 

 shallowly 3-lobate, glabrate above, puberulent beneath ; fruit 6 to 8 mm. in 

 diameter, purple, slightly glaucous, with pleasant flavor. " Uva cimarrona " 

 (Veracruz), 



4. Vitis cinerea Engelm.; Bushberg, Cat. ed. 3. 17. 1883. 



Vitis aestivalis cinerea Engelm. ; A. Gray, Man. ed. 5. 697. 1867. 



Vitis biformis Rose, Contr. U. S. Nat. Herb. 8: 315. 1905. 



Sonora to Coahuila, Tamaulipas, San Luis PotosI, and Durango. Central 

 and southern United States. 



Young branches floccose-tomentose ; leaves bi'oadly cordate, 6 to 14 cm. long, 

 crenate-dentate, often shallowly 3-lobate, floccose-tomentose above when young 

 but soon glabrate; fruit black, 6 to 8 mm. in diameter, acid. "Uva" (San 

 Luis Potosi) ; "parra silvestre " (Tamaulipas). 



5. Vitis tiliifolia Humb. & Bonpl. ; Roem. & Schult. Syst. Veg. 5: 320. 1819. 

 Vitis carihaea DC. Prodr. 1: 634. 1824. 



Vitis blaneoii Munson, Wild Grapes N. Amer. 14. 1890. 



Sinaloa to San Luis Potosf, Veracruz, Tabasco, and Chiapas. Southern 

 Florida, West Indies, Central America, and northern South America. 



Young branches floccose-tomentose ; leaves broadly cordate, 7 to 18 cm. 

 long, usually abruptly acuminate, rather finely dentate, rarely lobate, usually 



* Bull. Torrey Club 22: 104. 1895. 



