WOOTON AND STANDLEY FLORA OF NEW MEXICO. 415 



2. Rhamnus ursina Greene, Leaflets 1: 63. 1904. 



Type locality: Bear Mountain near Silver City, New Mexico. Type collected by 

 Metcalfe (no. 172). 



Range: Sonthwestern New Mexico. 



New Mexico: Sycamore Creek; Bear Mountain; Mangas Springs; Gila; Berendo 

 Creek; San Andreas Mountains. Mountains, in the Upjjcr Sonoraii Zone. 



3. Rhamnus betulaefoHa Greene, Pittonia 3: 16. 1896. 



Type locality: Banks of streams in the Mogollon Mountains, New Mexico. Type 

 collected by Rusby in 1881. 



Range: Mountains of southern New Mexico and adjacent Arizona. 



New Mexico: Mogollon Mountains; San Francisco Mountains; Kingston; Animas 

 Peak; Tularosa Creek. In the Transition Zone. 



4. Rhamnus smitliii Greene, Pittonia 3: 17. 1896. 

 Type locality: Pagosa Springs, southwestern Colorado. 

 Range: Soiithern Colorado and northern New Mexico. 



New Mexico: Chama; between Tierra Amarilla and Park View. Open hillsides, 

 in the Transition Zone. 



88. VITACEAE. Grape Family. 



Woody vines, trailing or climbing by tendrils; leaves large, simple or compound, 

 petiolate, the blades flat and mostly thin; inflorescence axillary, cymose or paniculate; 

 flowers small and inconspicuous, greenish or yellowish, sometimes delicately perfumed, 

 perfect, polygamous, or dioecious, regular; calyx and corolla 4 or 5-merous, a disk 

 present or wanting; stamens of the same number as the petals and opposite them; 

 pistil compound; fruit a berry. 



key to the genera. 



Leaves simple 1. Vitis (p. 415). 



Leaves compound. 



Leaves 5-foliolate, thin 2. Parthenocissus (p. 415). 



Leaves 3-foliolate, fleshy 3. Cissus (p. 416). 



1. VITIS L. Grape. 



Trailing or climbing vines with shreddy bark and forking tendrils; leaves simple, 

 more or less palmately lobed or angled, with small caducous stipules; flowers in 

 axillary panicles, dioecious, polygamo-dicecious, or rarely perfect; calyx minute; 

 corolla caducous, the petals coherent; stamens exserted, alternate with the lobes of 

 thedisk; fruit a few-seeded globose berry; seeds hard and bony, pear-shaped, relatively 

 large. 



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



Type locality: Arizona. 



Range: Western Texas to Arizona. 



New Mexico: ^IcCarthy Station; Sandia Mountains; Magdalena Mountains; Mangas 

 Sj^rings; Mogollon Mountains; Fort Bayard; Bear Mountain; Black Range; Organ 

 Mountains; Roswell; Gray; Queen; Cloverdale; Animas Mountains; White Mountains. 

 Canyons and thickets, in the Upper Sonoran and Transition zones. 



The berries of this grape are not very palatable, but they were used for food by the 

 Indians. 



2. PARTHENOCISSUS Planch. Virginia creeper. 



Trailing or climbing woody vines with forking tendrils and alternate, palmately 

 5-foliolate leaves; leaflets 4 to 10 cm. long, coarsely toothed; flowers small, greenish, in 

 axillary cymes; calyx and corolla 5-merous, disk wanting; stamens 5; fruit a depressed- 

 globose berry, blackish, not edible. 



