70 BLACK-THROATED GREEN WARBLER. 



The Liberty Bush. 



Azalea nudifloka, Willd. Sp. PI. voL i. p. 831. — Puhsh, F1. Amer. vol. ii. p. 152. 

 — Pentandria Monogtnia, 



This plant, of which the drawing was made by Miss Martin, oc- 

 curs in dry situations in most parts of the United States, from their 

 northern limits to Florida, and exhibits many varieties in the colour 

 and size of its flowers. It is characterized by having the flowers nearly 

 naked ; the leaves lanceolato-oblong, smoothish on both sides, ciliated 

 on the margins ; the flowers large, not viscid, with the tube longer 

 than the segments ; the teeth of the calyx short and roimdish, the sta- 

 mens very long. 



BLACK-THROATED GREEN WARBLER. 



Sylvia virens, Lath. 



PLATE CCCXCIX. Male and Female. 



I HAVE traced this species from the Texas to Newfoimdland, al- 

 though at considerable intervals, along our Atlantic coasts, it being of 

 fare occurrence or wanting in some parts, while in others it is abun- 

 dant; but in no portion of the United States have I met with it so plen- 

 tiful as around Eastport in Maine, where I saw it in the month of May. 

 Many remain all summer in that State, as well as in Massachusetts, 

 and the northern parts of New York ; and some are found at that sea- 

 son even in the higher portions of Pennsylvania. On the coast of La- 

 brador it was not observed by me or any of my party, and it is not 

 mentioned by Dr Richardson as having been seen in the Fiu" Countries. 

 Its habits are intermediate between those of many of our Warblers 

 and the Vireos, the notes of which latter it in a great measure assumes. 

 It usually makes its appearance in Maryland and New Jersey about 

 the first week of May, when it is observed to be actively engaged in 



