136 White to Green and Brown Flowers 



This White Bitter Cress grows in wet places, and some- 

 times attains a height of two feet. It is a coarse plant with 

 compound leaves, small white flowers, and very long narrow 

 seed-pods which become erect at maturity. 



Cardainine hellidifolia, or Alpine Bitter Cress, is a small 

 plant two to five inches in height, which is found on the 

 alpine summits. It has fibrous roots, little oval leaves 

 growing on long slender stalks which branch out from the 

 main stems, and terminal clusters of inconspicuous white 

 flowers. 



STONY ROCK CRESS 



Arabis HolhooUii. Mustard Family 



Stems: erect, simple. Leaves: spatulate, petioled, entire or sparingly 

 toothed; stem-leaves erect, clasping. Flowers: white or pinkish. 

 Fruit: pods linear, drooping. 



Growing out of a cluster of long-shaped leaves, the Stony 

 Rock Cress has a tall stalk, up which many tiny narrow 

 leaves cling. The flowers are small white, mauve, or pink- 

 ish bells, growing in a raceme. This plant, as its name 

 indicates, is generally found in very dry stony places. It 

 grows from eight to eighteen inches high, and has very long 

 narrow seed-pods, which droop downwards. 



Arabis hirsiita, or Hairy Rock Cress, is easily distin- 

 guished from the other Rock Cresses by its hairy stalks and 

 leaves. 



Arabis Drummondii, or Drummond's Rock Cress, is a 

 handsome leafy species, with erect flat seed-pods. 



Arabis glabra, or Smooth Rock Cress, has long toothed 

 basal leaves, and even-margined stem leaves which are 

 arrow-shaped at the base. The flowers are deep cream- 

 colour. 



