WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 323 
2. Amelanchier crenata Greene, Pittonia 4: 127. 1900. 
Type Locatity: On rock declivities near Aztec, New Mexico. Type collected by 
Baker (no. 377). 
Rance: Northwestern New Mexico. 
New Mexico: Northern San Juan County. Dry hills, in the Upper Sonoran Zone. 
3. Amelanchier bakeri Greene, Pittonia 4: 128. 1900. 
Typr LocaLity: Los Pinos, southern Colorado. 
Rance: Southwestern Colorado and western New Mexico, probably in eastern 
Arizona. 
New Mexico: Magdalena Mountains; Silver City; Bear Mountain; Canjilon. 
Mountains, in the Transition Zone. 
4. Amelanchier polycarpa Greene, Pittonia 4: 127. 1900. 
TYPE LOCALITY: Piedra, southern Colorado. 
Rance: Wyoming to Colorado and New Mexico. 
New Mexico: Zuni Mountains; Chama; Stinking Lake. Damp woods, in the 
Transition Zone. 
5. Amelanchier goldmanii Woot. & Standl. Contr. U. 8. Nat. Herb, 16: 131.1913. 
Type LocaLity: Copper Canyon, Magdalena Mountains, New Mexico. Type 
collected by E. A. Goldman in 1909. 
Rance: Mountains of western New Mexico. 
New Mexico: Copper Canyon; Mogollon Mountains. 
6. Amelanchier oreophila A. Nels. Bot. Gaz. 40: 65. 1905. 
Type Locatity: Evanston, Wyoming. 
Rance: Northern New Mexico to Colorado and Wyoming. 
New Mexico: Santa Fe and Las Vegas mountains, Mountains, in the Transition 
Zone. 
7”, Amelanchier mormonica ©. Schneid. Handb. Laubh. 1: 740. 1906. 
Type LocAuity: Mormon Lake, Arizona. 
Range: Arizona and New Mexico. 
New Mexico: Dulce; Sandia Mountains; Chama; Tunitcha Mountains. Hillsides, 
in the Transition Zone. 
8. Amelanchier australis Standley, Proc. Biol. Soc. Washington 26: 116. 1913. 
Type LocaLity: Ropes Spring, San Andreas Mountains, New Mexico. Type col- 
lected by Wooton, September 23, 1912. 
Rance: Known only from type locality, in the Upper Sonoran Zone. 
2. CRATAEGUS L. Hawrnorn. 
Shrubs or small trees with stout spiny stems, simple, alternate, toothed or lobed 
leaves, and white flowers in corymbs; hypanthium urceolate, adnate to the ovary; 
sepals 5, persistent; petals 5, spreading; stamens 5 to 10; fruit small, drupaceous, 
containing 2 to 5 bony 1-seeded carpels. 
KEY TO THE SPECIES. 
AS Wide... 2... e eee eee eee ee eee eee cece eect eeeeee 1. C. rivularis. 
Spines longer, 4 cm. or more, commonly numerous; leaves broader, 
at least some of them more or less lobed. 
Leaves elliptic-ovate, rather coarsely serrate, some of them 
with a few larger lobelike teeth, the smaller teeth gland- 
tipped; leaves cuneate at the base....--.-..-.-------- 2. C. erythropoda. 
Leaves broadly ovate, with 3 or 4 pairs of broad lobes, finely 
serrate or doubly serrate with straight teeth, not gland- 
tipped; base of leaves truncate.......-..------++--++ 3. C. wootoniana, 
