334 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Leaflets mostly 1.5 cm. long or larger; fruit not spiny. 



Leaflets glabrous beneath, without glands, thick 2. E. montezumae. 



Leaflets pubescent beneath, or with stalked glands, thin. 



Rachis of the leaves, as well as the fruit, without large stalked glands. 



3. R. fendleri. 

 Rachis of tlie leaves, and usually the fruit, with long-stalked glands. 

 Leaflets densely pubescent beneath, not glandular-ciliate. 



4. R. californica. 

 Leaflets glabrous beneath but with numerous stalked glands, glandular- 

 ciliate 5. R. serrulata. 



1. Rosa minutifolia Parry, Bull. Torrey Club 9: 97. 1882. 



Baja California, abundant in places along arroyos and on mesas, up to an 

 altitude of 300 meters ; type from Bahia de Todos Santos. 



Shrub, 0.5 to 1.5 meters high, the stems covered with stellate hairs; leaflets 

 3, 5 to 8 mm. long ; petals deep rose purple to white, 1 to 1.5 cm. long. 



2. Rosa montezumae Humb. & Bonpl. ; Redoute. Roses 1 : 55. 1817. 



Rosa iiicximna Willd. (Spreng. Syst. Veg. 2: 555. 1825, as synonym) ; Crep. 

 Bull. Soc. Bot. Belg. 11: 82. 1872. 



Mountains of Mexico and Hidalgo ; type from the mountains of the Valley of 

 Mexico. 



Shrub, 1 to 2 meters high ; leaflets 3 to 7, oval, acute, 1 to 2 cm. long ; petals 

 pink, 1.5 to 1.8 cm. long; fruit red. " Garambullo," "una de gato," " rosa de 

 Moctezuma," " cinorrod6n," " agabanzo," " escaramujo " (Valley of Mexico); 

 " trompillo " (Hidalgo, Villada). 



The fruit is used in domestic medicine. 



3. Rosa fendleri Crep. Bull. Soc. Bot. Belg. 15: 01. 1876. 



Mountains of northern Chihuahua. Northward to Montana and South Da- 

 kota ; type from New Mexico. 



Shrub, 1 meter high or less ; leaflets 5 or 7, 1 to 8 cm. long ; petals pink, 1.5 cm. 

 long; fruit red. 



4. Rosa californica Cham. & Schlecht. Linnaea 2: 35. 1827. 

 Baja California. California ; type from San Francisco. 



Shrub, 1 to 3 meters high ; leaflets 5 or 7, 1 to 2 cm. long ; petals pink, 1.5 to 

 2.5 cm. long. 



5. Rosa serrulata Raf. Ann. Gen. Phys. 5: 218. 1820. 



Rosa mcxicana S. Wats. Proc. Amer. Acad. 15: 354. 1882. Not R. mexicana 



Willd. 1825. 

 Coahuila and Nuevo Le6n. Eastern United States; type from New York. 

 Shrub, 1 meter high or less ; leaflets usually 5, 1 to 4 cm. long ; petals pink, 

 1.5 to 2.5 cm. long. 



61. MALACEAE. Apple Family. 



Trees or shrubs, sometimes armed with spines ; leaves alternate, stipulate, 

 dentate or lobate; flowers perfect, solitary, racemose, coi-ymbose, or cymose, 

 often large and showy ; petals 5 ; stamens usually numerous ; fruit a pome, this 

 consisting of the much enlarged, fleshy calyx tube, inclosing the papery or 

 leathery see<llike carpels. 



Several important cultivated fruit trees belong to this family, chief of which 

 are the following: The apple. llaJus sylvestris Mill, ("manzano," the tree, 

 " manzana," the fruit; " belehui," Oaxaca, Zapotec, Reko; " tnutinumi." Oaxaca, 

 Mixtec, Reko) ; the pear, Pyrus communis L. ("peral") ; the quince, Cydonia 

 ohlonga Mill. (" membrillo ") ; and the loquat, Eriohotrya japonica Lindl. 

 ("nfspero"). All these are natives of the Old World. Bustamente states' 



i 



' In his edition of Andres Cavo's Los Tres Siglos de Mexico, p. 6. 1852, 



