Seed Plants, Ferns, Fern Allies of the Austin Region 71 



Mecardonia procumbens Small. (Herpestris chamaedryoides H.B.K.) 

 Abundant in moist ground along- Barton Creek and Shoal Creek. 

 Florida and Texas. American tropics. 



Mimulus Jamesii Torr & Gray. (M. Geyeri Torr.) Monkey-flower. 



In the mud along small streams in ravines. Mt. Bonnell. 



Widespread in eastern North America. Common in the Rocky 

 Mountains. 



Monniera Monniera Britton. (Hespestris Monniera H.B.K.) 



Wet ground. Along the shore and in the shallow water of Barton 



Creek, Shoal Creek, etc. A prostrate creeping plant with succulent 



glossy leaves and white flowers. 



Southeastern states and in the tropics. 



Penstemon Cobaea Nutt. Beard-tongue. 



Abundant in dry ground, along railroad tracks and in open woods. 

 One of our most striking and beautiful wild flowers. A coarse plant 

 with smooth leaves and spikes of large bell-shaped cream-colored 

 blossoms. Easily recognized by the yellow-bearded sterile stamen 

 which gives it its popular name. 



Texas. 



Penstemon Mackayanus K. & W. Beard-tongue. 



In open woods. About half the size of P. cobaea. Not common. 

 Texas. 



Verbascum Thapsus L. Mullein. 



Flood plains. A large coarse weed with a rosette of large, strik- 

 ingly fuzzy leaves close to the ground. The spike of yellow flowers 

 is borne on a stout stalk several feet high. 



Native of Europe, but very common weed in eastern North 

 America. 



Veronica peregrina L. Speedwell. Purslane Speedwell. 

 Muddy ground along streams. River bank, etc. 



ACANTHACEAE Acanthus Family 



Calophanes linearis Gray. 

 Dry ground, roadsides, etc. 

 Texas, New Mexico and Mexico. 



Dianthera americana L. Water Willow. 



A very common weed rooting in the mud and growing ha!f sub- 

 merged in small streams. Abundant in Shoal Creek, and Barton 

 Creek. 



Widespread in the eastern half of the continent. 



