2/8 GA1U3EN FLOWERS. 



OsTRYA. Hop Hornbeam. [Cupuliferae.] Hardy decidu- 

 ous small trees, with fine foliage and ornamental fruit In- 

 creased by seeds, and grafting on common Hornbeam. Rich 

 deep moist soil. 



O. Virginica (Virginian) ; 20 feet ; flowers in May ; North 

 America; 1622. O. vulgaris (common); 20 feet; flowers in 

 May; Italy; 1724. 



Oswego Tea. Monarda didyma. 



OxYTROPis. [Leguminosae.] A family of mostly hardy 

 plants from Siberia, allied to Astragalus. Soil, sandy loam. 

 Propagated by seeds sown where the plants are to remain, 

 as they transplant badl)^ There are some forty species. 



OxYURA. [Compositae.] A prett}' showy chrysanthemum- 

 like annual. Sow in the open border m May, and thin out 

 the plants. 



O, chrysanthe7noides (chrysanthemum-like) ; hardy annual j 18 

 nches : flowers yellow and white, in July ; California ; 1834. 



