164 



Fig. 14(3. Calamagrostis tweedyi Sciibu. ; Heal, (irassos N. 

 Am., 2:348. — A stout peienuial 7 to 10 diu. liigli, with rather 

 broad, llat leaves and densely flowered, spike-like panicles 8 to 

 12 cm. long. — Cascade Mountains, Washington. 



