WOOTON AND STANDLEY FLORA OF NEW MEXICO. 259 



2. ODOSTEMON Raf. 



Shruba with compound leaves, the stems without spines; leaflets mostly coriaceous, 

 persistent, sinuate-dentate with few or many spiny teeth; flowers in rather loose 

 racemes, the parts, except the pistil, in 6's; fruit a few-seeded berry. 



KEY TO THK SPECIES. 



Low shrub, 10 to 30 cm. high, with but few leaves; leaflets with 



numerous small teeth 1. 0. repens. 



Tall shrubs, often 150 cm. high or more, with numerous leaves; 

 leaflets with few coarse teeth. 



Leaves trifoliolate ; fruit red 2. 0. trifoliolatiis . 



Leaves with 5 to 7 leaflets; fruit variously colored. 



Leaflets usually 7, oblong-ovate, bright green, mostly more 



than 3 cm. long 5. 0. wilcoxii. 



Leaflets 5, lanceolate, glaucous, 3 cm. long or mostly less. 



Fruit juicy, not inflated at maturity, blood red; 



terminal leaflet long-attenuate, comparatively 



narrow 3. 0. hacinato- 



carpus. 

 Fruit dry and inflated at maturity, dark blue; terminal 



leaflet acute, broad 4. . fremontii. 



1. Odostemon repens (Lindl.) Cockerell, Univ. Mo. Stud. Sci. 2^: 125. 1911. 



Oregon grape. 



Berberis repens Lindl. in Edwards's Bot. Reg. 14: pi. 1176. 1828. 



Berberis nana Greene, Pittonia 3: 98. 1896. 



Type locality: "A native of the north-western part of North America." 



Range: British Columbia and Wyoming to California and New Mexico. 



New Mexico: Tunitcha and Carrizo Mountains; Dulce; Chama; Ramah; Santa Fe 

 and Laa Vegaa mountains; Zuni Mountains; Sandia Mountains; Black Range; Luna; 

 Sacramento Mountains. Shaded hillsides, in the Trans^ition and Canadian zones. 



A decoction of the leaves and branches of this plant w^as used by the Navahos in 

 treating rheumatism. 



2. Odostemon trifoliolatus (Moric.) Heller, Muhlenbergia 7: 139. 1912. 

 Berberis trifoliolata Moric. PI. Amer. Rar. 113. pi. 69. 1841. 



Type locality: "Hab. in Republica Mexicana, inter Laredo et Bejar." This is 

 now Texas. The type was collected by Berlandier. 



Range : Western Texas to Arizona. 



New Mexico: Near Hermanas; Carrizalillo Mountains. Dry hills, in the Lower 

 Sonoran Zone. 



3. Odostemon haematocarpus (Wooton) Heller, Muhlenbergia 7: 139. 1912. 



Berberis hacmatocarpa Wooton, Bull. Torrey Club 25: 304. 1898. 



Type locality: Mescalero Agency in the Wliite Mountains, New Mexico. Type 

 collected by Wooton (no. 376). 



Range: New Mexico and southern Arizona. 



New Mexico: Manzano and Sandia Mountains; Gallinas Mountains; Black Range; 

 Carlisle; Carrizalillo Mountains; Organ and San Andreas mountains; White and 

 Sacramento mountains; Guadalupe Mountains. Dry hillsides, in the Upper Sonoran 

 Zone. 



This is a fairly common shrub on the lower slopes of the mountains in the southern 

 part of the State. The berries are bright blood red, pleasantly acid to the taste, and 

 are used for making jellies. The shrub is evergreen and is well worth cultivation for 

 decorative purposes. 



