320 CONTEIBUTIONS FEOM THE NATIONAL HERBARIUM. 



the terminal sometimes lobed, green above, white- tomentose beneath; fruits red or 

 black, juicy, with a pleasant taste and odor. 



KEY TO THE SPECIES. 



Fruit black; leaflets crenate; achenes keeled on the back; stems 



glaucous 1. R. hernardinus. 



Fruit red ; leaflets incised -serrate; stems not glaucous 2. R. arizonicus. 



1. Bubus bemardinus (Greene) Rydb. N. Amer. Fl. 22: 444. 1913. 



Black raspberry. 

 Melanobatus hernardinus Greene, Leaflets 1: 244. 1906. 

 Type locality: Mill Creek Falls, San Bernardino Mountains, California. 

 Range: Southwestern New Mexico to southern California. 

 New Mexico: Mogollon Mountains {Rushy 123). 

 This specimen is referred here with some doubt by Doctor Rydberg. 



2. Rubus arizonicus (Greene) Rydb. N. Amer. Fl. 22: 446. 1913. 



Red raspberry. 



Batidaea arizonica Greene, Leaflets 1: 243. 1906. 



Type locality: San Francisco Mountains, Arizona. 



Range: Mountains of Arizona, New Mexico, and southern Colorado. 



New Mexico: Common in all the higher mountains from the Black Range and 

 White Mountains northward. Transition Zone. 



The common wild raspberry of middle elevations in the mountains, growing in 

 large patches on the hillsides among the pines. The fruit is abundantly produced 

 and much appreciated by the peojile of the region, who gather the berries in quantity 

 for table use. It is also one of the favorite foods of the bears. 



19. RTJBACER Rydb. Thimble-berry. 



A low unarmed perennial, 30 to 60 cm. high, with mostly herbaceous stems arising 

 from a woody base, bearing few large 3 to 5-lobed leaves; flowers white, 3 to 5 cm. 

 broad; calyx densely tomentose; sepals long-acuminate; fruit large, red, pleasantly 

 flavored. 



1. Rubacer parviflorus (Nutt.) Rydb. Bull. Torrey Club 30: 275. 1903. 



Rubus parviflorus Nutt. Gen. PL 1: 308. 1818. 



Rubus nutkanus Moc; DC. Prodr. 2: 566. 1825. 



Bossekia -parviflora Greene, Leaflets 1: 211. 1906. 



Type locality: "Island of the Michilimackinack, Lake Huron." 



Range: Alaska to California, New Mexico, and Lake Superior. 



New Mexico: Common in the higher mountains from the Mogollon and Sacramento 

 mountains northward. Woods, in the Transition and Canadian zones. 



A common and conspicuous plant in the higher mountains, rather handsome with 

 its large white flowers. It often completely covers the ground in the deep woods. 

 The fruits are of good quality, but so few are borne on a single plant that picking them 

 is a tedious task. 



20. OREOBATTJS Rydb. 



Unarmed branching shrubs, 1 meter high or less, with 3 to 5-lobed stipulate leaves 

 and brownish shredded bark; hypanthium flat, not bracteolate; sepals brdkdly ovate, 

 with elongated tips, accrescent, loosely inclosing the fruit; flowers white, conspicuous; 

 fruit fleshy or soon dry. 



