342 POPULAR GEOGRAPHY OP PLANTS. 



dium ; the very narrow leaves, which are tightly rolled up, 

 stand up twice the height of the flowers. Trichonema Bul- 

 bocodium is another name for the same flower, the only 

 difference being that the blossoms are pale purple. 



These Devonshire and Cornwall plants are mentioned by 

 Professor Forbes in connection with a particular kind of 

 snail (Helix revelata), which is found within the same geo- 

 graphical limits, and thrives in the same mild climate. He 

 then names a few additional plants which inhabit both 

 the south-east of Ireland and the south-west of England, 

 though the number of plants of this type to be met with in 

 Ireland is small. 



These are, a wild Stock (Mattkiola sinuata), with the 

 leaves toothed here and there irregularly ; a kind of Cress 

 (Senebiera didyma) ; one of the Medicks (Medicago denticu- 

 lata), with spirally-twisted pods, which however is also found 

 on the coasts of Kent and Norfolk ; Wild Madder (Rubia 

 peregrind), the flowers of which are very like those of the 

 common yellow Bedstraw, but the leaves, which grow about 

 four in a whorl, are of a beautifully-defined elliptical shape, 

 and are very rough at the edge ; the small Snapdragon (An- 

 tirrhinum Oro?itinm), which is also found, to say the truth, 

 in many parts of England; a kind of Toadflax (Linaria 



