324 CONTEIBUTIONS FEOM THE NATIONAL HEKBAKIUM. 



1. Crataegus rivularis Nutt.; Torr. & Gray, Fl. N. Amer. 1: 464. 1840. 

 Type locality: "Oregon, along rivulets in the Rocky Mountains." 

 Range: Western Wyoming to Utah and Idaho, south to New Mexico. 



New Mexico: Upper Negrito Creek (Wooton). Stream banks, in the Transition 

 Zone. 



2. Crataegus erythropoda Ashe, N. C. Agr. Exp. Sta. Bull. 175: 113. 1900. 



Manzana de puya larga. 

 Crataegus cerronis A. Nels, Bot. Gaz. 34: 370. 1902. 



Type locality: Foothills of the Cache le Poudre Mountains, northern Colorado. 

 Range: Wyoming to northern New Mexico. 



New Mexico : Sandia Mountains; Ponchuelo Creek; El Rito Creek; Chama. Stream 

 banks and canyons, in the Transition Zone. 



3. Crataegus wootoniana Eggleston, Torreya 7: 236. 1907. 



Type locality: Head of Little Creek, Mogollon Mountains, New Mexico. Type 

 collected by Metcalfe (no. 584). 



Range: Mountains of central and southern New Mexico. 

 New Mexico: Mogollon Mountains; Wliite Mountains. 



3, SORBUS L. Mountain ash. 



Shrub 1 to 3 meters liigh with pinnate leaves and white flowers in compound cymes; 

 hypanthium urceolate or turbinate; leaflets 11 to 15, 3 to 4 cm. long, oblong-lanceolate, 

 serrate, glabrous; sepals 5; petals 5, spreading, short-clawed; stamens 20; styles 3 to 

 5, distinct, woolly at the base; fruit a berry-like pome. 



1. Sorbus scopulina Greene, Pittonia 4: 130. 1900. 



Type locality: Santa Fe Canyon, New Mexico. Type collected by Heller (no. 

 3711). 



Range: British America to Washington, Utah, Colorado, and New Mexico. 



New Mexico: Ziuii Mountains; Manzano Mountains; Tunitcha Mountains; Santa 

 Fe Mountains. Damp woods, in the Transition and Canadian zones. 



4. PERAPHYLLUM Nutt. 



Shrub 1 to 2 meters Mgh, the small, narrowly oblanceolate, serrulate or entire, 

 short-petiolate leaves fascicled at the ends of the branchlets; flowers solitary or in 

 2 or 3-flowered umbels, pale rose color; fruit globose, crowned with the persistent 

 calyx lobes. 



1. Peraphyllum raraosissimum Nutt.; Torr. & Gray, Fl. N. Amer. 1: 474. 1838. 

 Type locality: " Dry hillsides near the Blue Mountains of the Oregon." 

 Range: Dry hillsides, Oregon and California to Colorado and northwestern New 



Mexico, in the Upper Sonoran Zone. 

 We have seen no specimens of tliis from New Mexico, but it occurs abundantly 



along the railroad below Durango, Colorado, just above the New Mexico line. Dr. 



David Griffiths states that he has collected fruit of this plant near Farmington. The 



fruit is shaped like a small crab apple, and is yellow tinged with purple. The juice 



is very bitter. 



66. AMYGDALACEAE. Almond Family. 



Trees or shrubs with alternate, petiolate, simple, mostly serrate leaves and fuga- 

 cious stipules; bark, leaves, and seeds bitter with prussic acid; flowers perfect, soli- 

 tary, fascicled, corymbose, or racemose; hypanthiiun mostly spheroidal, free from the 

 simple solitary ovary; sepals and petals 5; stamens mostly numerous; fruit a drupe. 



