WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 415 
2. Rhamnus ursina Greene, Leaflets 1: 63. 1904. 
TYPE Locauity: Bear Mountain near Silver City, New Mexico. Type collected by 
Metcalfe (no. 172). 
Rance: Southwestern New Mexico. 
New Mexico: Sycamore Creek; Bear Mountain; Mangas Springs; Gila; Berendo 
Creek; San Andreas Mountains, Mountains, in the Upper Sonoran Zone. 
38. Rhamnus betulaefolia Greene, Pittonia 3: 16. 1896. 
Type Locatity: Banks of streams in the Mogollon Mountains, New Mexico. Type 
collected by Rusby in 1881. 
RancGe: 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 smithii Greene, Pittonia 3: 17. 1896. 
TYPE Locality: Pagosa Springs, southwestern Colorado. 
RanGE: Southern 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 dicecious, 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. ...-.....---- 222220. e eee eee eee eee eee 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, dicecious, polygamo-diccious, 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 Engelm. Amer. Nat. 2: 321. 1868. 
TYPE LOCALITY: Arizona. 
Rance: Western Texas to Arizona. 
New Mexico: McCarthy Station; Sandia Mountains; Magdalena Mountains; Mangas 
Springs; 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. 
