Rydberg : Rocky Mountain flora 423 



the type collection. The flowering specimen is identical with my 

 A. Bcsscyi, but the fruiting specimen is not. The flowering speci- 

 men has long linear-subulate calyx lobes, 4 mm. long, and linear- 

 lanceolate, acute bracts, while in the fruiting specimen the calyx- 

 lobes are almost triangular and about half as long and the bracts 

 lance-oblong and obtuse. If the fruit of the type sheet is infected 

 by uredo, there is no evidence of it in the duplicate here at the 

 Botanical Garden. The trouble is that Ai'agallus Blaiikinsliipii 

 was described from flowering specimens of one species {A. Besscyi) 

 and fruiting specimens of another. They are both well known to 

 me. I intended to describe the second species in the Flora of 

 Montana when in the meantime Professor Nelson's article in Ery- 

 thea appeared. I had no authentic specimens of his new species. 

 As I knew of no species answering to Professor Nelson's descrip- 

 tion of A. BlankinsJiipii, never suspecting it to be a composite one, 

 and knowing one agreeing fairly with his description of A. coUiniis 

 except as to the color of the corolla, I referred the specimens of 

 my supposed new species to this. The New York Botanical 

 Garden has since received authentic specimens of both A. Blank- 

 insJiipii and A. colliims and I have been able to correct my mis- 

 take. The specimens referred to A. collinus in my Flora of Mon- 

 tana are specifically the same as the fruiting specimens of A. 

 Blanki)is]iipii. Mr. Gooding has also collected good fruiting 

 specimens in Wyoming at Alcona, Natrona County, in 1901 {^110. 

 7^7). These were determined as A. Blankinsliipii. 



This species is closely related to A. namts, differing mostly in 

 the erect stiff scape and more elongated spike. A. Bcsscyi, to- 

 gether with A. argopliyllns, forms a small group more related to 

 A. Lainbcrtii. 



I adopt the name A. Biaiikinshipii for this species, represented 

 by the fruiting specimens of the original description for the following 

 reasons : ( i) Prof Nelson has laid most stress on the structure of 

 the pod, associating A. Blankinsliipii with A. collinus, A. iiiiilti- 

 ccps, A. LagopHs and A. nanus, to which this species is related; 



(2) The characters of the fruit in the genus Aragallus are more 

 reliable then those of the flowers to show the actual relationship ; 



(3) The species represented by the flowering specimens has already 

 received a name. The synonymy of the two species is as follows : 



