STANDLEY- — TREES AXD SHRUBS OF MEXICO. 331 



Shrub, 1 to 3 meters high, the stems glaucous, prickly ; leaflets 3, 6 to 10 cm. 

 long, finely serrate, long-acuminate, white-tomentose beneath ; flowers white ; 

 fruit about 1 cm. long, the drupelets tomentose. 



4. Rubus pringlei Rydb. N. Amcr. Fl. 22: 413. 1913. 



Mexico and Hidalgo to Oaxaca and Chiapas. Guatemala ; type from Volcjln 

 de Agua. 



Shrub, 1 to 2 meters high ; leaflets 3, prickly, 4 to 6 cm. long ; flowers white ; 

 fruit 2 cm. long, red or purple, with a bloom. 



5. Rubus strigosus Michx. Fl. Bor. Amer. 1 : 297. 1803. 

 Batidaea arizonica Greene, Leaflets 1: 241. 1906. 

 Rul)us arizonicus Rydb. N. Amer. Fl. 2»: 446. 1913. 



Mountahis of Chihuahua. Widely distributed in the United States, Canada, 

 and Alaska. 



Shrub, 0.3 to 1 meter high ; leaflets 5 or 7, 3 to 6 cm. long, white-tomentose 

 beneath; flowers white; fruit 1 cm. broad. 



The fruit of this red raspberry is of good quality and is much used in regions 

 where it is abundant. Some of the horticultural raspberries are forms of this 

 species improved by cultivation. 



6. Rubus trichomallus Schlecht. Linnaea 13: 268. 1839. 



Rubus luticaefoUus Focke, Abb. Nat. Ver. Bremen 4: 149. 1874. Not R. 

 urticaefolius Poir. 1804. 



Veracruz and Chiapas ; type from Hacienda de la Laguna, Veracruz. Central 

 America and Colombia. 



Stems .several meters high, pubescent; leaflets 3 or 5, ovate, 7 to 12 cm. long; 

 flowers white ; fruit reddish or almost black. 



7. Rubus verae-crucis Rydb. N. Amer. Fl. 22: 450. 1913. 

 Veracruz ; type from San Miguel del Soldado. 



Erect shrub, -5 to 7 meters high ; leaflets 3 or 5. lanceolate, 5 to 10 cm. long ; 

 petals white, 1 cm. long. 



8. Rubus adenotrichos Schlecht. Linnaea 13: 267. 1839. 



Veracruz. ^Morelos, Oaxaca, and Chiapas ; type from .Talapa, Veracruz. Guate- 

 mala to Costa Rica~. 



Shrub, up to 9 meters high, the stems covered with reddish gland-tipped 

 bristles; leaflets 3 or 5, 5 to 10 cm. long; petals white or pink, 1 cm. long; fruit 

 red or black, 1 cm. thick. 



9. Rubus philyrophyllus Rydb. N. Amer. Fl. 22: 451. 1913. 



RuJms tUiacevs Liebm. Nat. For. Kjobenhavn Vid. Medd. 1852: 16L 1853. 



Not R. tiliaccus Smith, 1815. 

 Rubus tiliaefolins Focke, Abh. Nat. Ver. Bremen 4:159. 1874. Not R. tiliac- 



folius Weihe, 1825. 

 Known only from the type locality, Chinantla, Oaxaca. 

 Leaflets 3, 8 cm. long or shorter, short-acuminate. 



10. Rubus liebmannii Focke, Abh. Nat. Ver. Bremen 4: 158. 1874. 



Mex (o iu'd Oax: c;i ; described from cultivated plants grown from seed gath- 

 ered nn Mount Zempoaltepec, Oaxaca. 



Shrub, 2 to 3 meters hgh ; leaflets 3. 4 to 10 cm. long, green ; flowers rose- 

 colored ; fruit black, 1 cm. long. 



11. Rubus coriifolius Liebm. Nat. For. K.iobenhavn Vid. Medd. 1852: 157. 1853. 



Michoacan to Veracruz, Morelos, and Chiapas ; type from Jalapa, Veracruz. 



Shrub, 1.5 to 3.6 meters high ; leaflets elongate-ovate, 5 to 10 cm. long, acumi- 

 nate ; flowers whjte or rose ; fruit red or nearly black. 



12. Rubus schiedeanus Steudf Nom. Bot. ed. 2. 2: 479. 1841. 



Rubus dunietorum Schlecht. Linnaea 13: 267. 1839. Not R. duinetonan 

 Weihe. 1824. 



