150 RYDBERG: Rocky MounTAIN FLORA 
Oreocarya hispidissima (Torr.) Rydb. 
Eritrichium glomeratum hispidissinum Torr. Bot. Mex. Bound. 
140. 1859. 
Oreocarya perennis (A. Nels.) Rydb. 
Oreocarya affinis perennis A. Nels. Erythea '7: 67. 1899. 
Mertensia platensis Rydb. 
Mertensia polyphylla platensis Rydb. Bull. Torrey Club 31: 638: 
1904. 
Agastache pallidiflora (Heller) Rydb. 
Brittonastrum pallidiflorum Weller, Bull. Torrey Club 26: 621. 
1899. 
Brittonastrum Greenei Briquet, Ann. Conserv. & Jard. Geneve 6: 
157. 1902. 
Madronella parvifolia (Greene) Rydb. 
Monardella parvifolia Greene, Pl. Baker.. 21-22., .4901. 
Madronella dentata Rydb. 
Monardella dentata Rydb. Bull. Torrey Club 31: 641. 1904. 
Mentha Penardi (Briquet) Rydb. 
Mentha arvensis Penardi Briquet, Bull. Herb. Boiss. 3: 215. 1895- 
Androcera rostrata (Dunal) Rydb. 
Solanum rostratum Dunal, Hist. Sol. 234. 181 . 
Androcera lobata Nutt. Gen. Am. 1: I29. 1818. 
Pentstemon unilateralis Rydb. nom. nov. 
Pentstemon secundiflorus A. Gray, Syn. Fl. 2'!: 26 3. 1878. Not 
P. secundifiorus Benth. | 
In Proc. Am. Acad. 6: 61, Dr. Gray gives P. secundifiorus as 
a synonym of P. acuminatus Benth. This was correct as far as Dr. 
Gray’s conception of the latter is concerned. Dr. Gray included 
in P. acuminatus at least four different plants. Of these, two have 
very broad rounded clasping and abruptly acuminate upper leaves, 
