52 TREES AND FLOWERS OF 



(blue or pink) (blue, red or zvhite) 



LUNGWORT 



BEARDTONGUB 



Lungwort (Mertensia). This flower, which is 

 also known bj the less common but prettier name, 

 "chiming bells," is frequent throughout the Park in 

 moist, semi-shaded places. The stems are smooth and 

 juicy, and usually somewhat drooping, with smooth, 

 broad lance-shaped leaves; there is also a group of 

 leaves at the base. The flowers hang downward in clus- 

 ters from long, very slender stalks; they are about 

 half an inch in length, trumpet-shaped, with the five 

 lobes pointing forward, forming a bell-shaped mouth. 

 The buds are pink, as are also the flowers growing in 

 the sun; in the usual shaded locations the full-blown 

 flowers are blue. 



Beardtongne (Pentstemon) . There are several 

 kinds of beardtongue in the Park, differing mainly in 

 size and the number of flowers. They grow in all kinds 

 of places, both moist and dry, open and shaded. The 

 stems are of varying height, but the leaves are always 

 sharply lance-shaped and oppositely arranged. There 

 are numerous flowers arranged in a spike. The base is 

 broadly tubular or trumpet-shaped. Two of the five 

 round lobes at the end project upward and three down- 

 ward, giving the whole a two-lipped appearance. 



