1 62 Wyoming' Experiment Station. 



Pentstemon humilis, Nutt. 



Exceedingly abundant in the Laramie range at the foot of rocky 

 ledges and in stony ravines. 



Pole Creek, June 2, 1894 (No. 131); Table Mountain, June 27, 

 1895 (No. 1.322). 

 Pentstemon laricifolius, Hook. & Arn. Bot. Beechy. .376. 



Abundant on stony ridges on the Laramie Plains and their foot- 

 hills. July 7, 1.894 (No. 419); July 27, ISgfj (No. 1442). 

 Pentstemon secundiflorus, Benth. DC. Prodr. x, 324. 



Infrequent; specimens by Mr. Hartley from near Sherman, July 

 9, 1891. 

 Pentstemon strictus, Benth. DC. Prodr. x, 324. 



In stony ravines in the hills; Sybille, July 8, 1894 (No. 402); 

 Cummins, July 28, 1895 (No. 1472). 

 Collinsia parviflora, Lindl. Bot. Reg. t. 1082 (1827). 



Very abundant in sandy loam soil on creek banks. 

 Pole Creek, June 2, 1894 (No. 46); Centennial Valley, July 17, 

 1895 (No. 1685). 

 Mimulus alsinoides, Benth. DC. Prodr. x, 351. 



Centennial Hills, August 17, 1895 (No. 1683). 

 Mimulus floribundus, Lindl. Bot. Reg. xiv, t. 1125 (1828). 



Infrequent: good, but diminutive; from a wet ravine near 

 Cummins, July 28, 1805 (No. 1515). 

 Mimulus glabratus Jamesii, Gray, Syn. Fl. Suppl. 447. 



Infrequent ; Whalen Canon. July 19, 1894 (No. 543). 

 Mimulus Langsdorfiii Tilingi, Greene, Journ. Bot. for Jan., 1895. 



Our commonest Mimulus ; springy places in the hills and 

 mountains. 



Garfield Peak, July 29, 1894 (No. 688); Centennial Valley, Au- 

 gust ]6, 1895 (No. 1670). 



Mimulus Lewisii, Pursh, Fl. ii, 427 (1814). 



On stony, wet ground near creeks; infrequent, 

 Teton Mountains, August 21, 1894 (No. 942); Centennial Valley, 

 August 16, 1895 (No. 1672). 



Mimulus rubellus, Gray, Bot. Mex. Bound. 116. 



Rare, or at least rarely observed ; our plants small and incon- 

 spicuous. 



