WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 489 



Doctor Mearns says of one of his collections: "Three large trunks sprang from a 

 common stump, perhaps measuring 9 meters in circumference. The individual trunks 

 measured, respectively, 1 meter above the common bole, 318, 251, and 107 cm. in cir- 

 cumference, and were about 20 meters in height." 

 2. Arbutus texana Buckl. Proc. Acad. Phila. 1861: 460. 1862. 



Type locality: Hays County, Texas. 



Range: Western Texas and southeastern New Mexico. 



New Mexico: Queen ( Wooton). Low hills, in the Upper Sonoran Zone. 



Our specimens have broader and more pubescent leaves than the presumably typical 

 form. 



2. ARCTOSTAPHYLOS Adans. 



Low erect or traiUng shrubs with alternate evergreen entire leaves and small white 

 or rose-colored flowers; flowers in structure similar to those of the preceding genus, 

 but the ovules solitary instead of numerous in the cells. 



KEY TO THE SPECIES. 



Erect shrub, 1 to 2 meters high; leaves oblong, acute or acutish; 



branches not glandular 1. A. pungens. 



Creeping shrub; leaves oblanceolate or obovate, obtuse or retuse; 



branches glandular 2. A. uva-ursi. 



1. Arctostaphylos pungens H. B. K. Nov. Gen. & Sp. 3: 278. pi. 259. 1818. 



ALA.NZANITA. 



Type locality: " Crescit in Regno Mexicano, locis alsis, juxta Moran et Villapando, 

 alt. 1300-1400 hex." 



Range: Utah to California and Mexico. 



New Mexico: Mogollon ^fountains; San Luis Mountains; Hillsboro. Lower 

 mountains, in the Upper Sonoran Zone. 



2. Arctostaphylos uva-ursi (L.) Spreng. Syst. Veg. 2: 287. 1825. Bearberry. 

 Arhutns uva-ursi L. Sp. PI. 395. 1753. 



Daphnidostylis fendleriana Klotzsch, Linnaea 24: 80. 1851. 



Type locality: "Habitat in Europa frigida, Canada." 



Range: Arctic regions to California, New Mexico, and Arizona; also in Europe and 

 Asia. 



New Mexico: Tunitcha Mountains; Santa Fe and Las Vegas mountains. Moist 

 woods, Transition to Hudsonian Zone. 



The type of Daphnidostylis fendleriana was collected by Fendler near Santa Fe. 



108. VACCINIACEAE. Huckleberry Family. 



1. VACCINIUM L. Blueberry. 



Low shrubs, 40 cm. high or less, with slender branches and small alternate leaves; 

 flower small, solitary, axillary; calyx lobes nearly obsolete; corolla globular, the limb 

 5-lobed; stamens 10; anthers prolonged upward into tubes, opening by terminal pores; 

 fruit a reddish or black berry. 



KEY to the SEPCIES. 



Fniit purplish black; leaves usually over 15 mm. long, obtuse or 



rounded 1 . T''. oreophilum. 



Fruit red; leaves usually less than 15 mm. long, acute or acutish.. 2. V. scoparium. 



1. Vaccinium oreophilum Rydb. Bull. Torrey Club 33: 148. 1906. 

 Type locality: Uinta Mountain, Utah. 



R.ange: British Columbia and Alberta to northern New Mexico. 

 New Me.xico: Costilla Pass {Howell 202). 



