138 BRECK'S BOOK OF FLOWERS. 



unless they can have a moist, shady place, with a soil similar 

 to that from which they were taken. The flowers are produced 

 on leafless stems in spikes, from one to two feet high, in July 

 and August. Some have pink, and others white, finely- 

 fringed flowers. 



OROBUS. 



Bitter Vetch. 



Orobus niger is a hardy perennia 1, with which we have been 

 acquainted for a number of years, and can recommend it as 

 being pretty, with very dark purple, flowers, which are produced 

 in June and July ; two or three feet high ; stem branched ; 

 leaves in six pairs, ovate oblong ; racemes one-sided, many- 

 flowered. 



O. atropurpureus. The flowers are a fine purple, in a 

 dense, one-sided, many-flowered raceme. In the gardens it is 

 a hardy perennial, flowering in May. 



O. luteus is considered by some as the handsomest of the 

 papilionaceous tribe. 



PAPAVER. 



Poppy. 



Papaver orientalis. Oriental Poppy. This is a most mag- 

 nificent perennial, worth all the rest of the Poppy tribe. Its 

 large, gorgeous, orange scarlet flowers, display themselves in 

 the month of June. The bottoms of the petals are black ; the 

 stigma is surrounded by a multitude of rich purple stamens, 

 the anthers of which shed a profusion of pollen, which pow- 

 ders over the stigma and the internal part of the flower, giving 

 it a very rich appearance. 



The flower-stems are rough, three feet high, each one bearing 

 a single solitary flower, five or six inches in diameter. A clump, 

 with twenty or thirty of these flowers, makes one of the most 



