660 Rydberg : Astragalus and its segregates 



Tium sparsiflorum (A. Gray) Rydb. 



Astragalus sparsiflorus A. Gray, Proc. Acad. Phila. 1863 : 60, 

 , hyponym. 1863. — Proc. Am. Acad. 6: 205. 1863. 



Tium huministratum (A. Gray) Rydb. 



Astragalus hionhustratus A. Gray, PI. Wright. 2: 43. 1843. 



4 



Tium desperatum (Jones) Rydb. 



Astragahis despcratus Jones, Zoe 2 : 243. 1891. 



6. Atelophragma Rydb. gen. nov. 



Caulescent leafy slender herbs with rootstocks. Stipules nearly 

 free both from each other and from the petioles. Leaves pin- 

 nate, usually with numerous leaflets. Inflorescence a spike-like ra- 

 ceme. Calyx short, campanulate ; lobes slender, subulate. Corolla 

 white or purplish. Pod membranous or papery, more or less 

 compressed laterally, in the typical species decidedly flattened and 

 stipitate ; dorsal suture intruding in the pod and forming a 

 partial partition. 



The first species below is to be regarded as the type. 



Atelophragma aboriginum (Richardson) Rydb. 



w 



Astragahis aboriginonim Richardson, Frankl. Journey 746. 1823. 



i 



Atelophragma Macounii Rydb. 



Astragalus Macounii Rydb. Mem. N. Y. Bot. Card. I : 243. 

 T900. 



Atelophragma glabriuscula (A. Gray) Rydb. 



Astragalus glabriiisciilits A. Gray, Proc. Am. Acad. 6 : 204. 



1863. 



The following species, although having sessile and more turgid 

 pods, may be included also in the genus : 



Atelophragma elegans (Hook.) Rydb. 



Phaca clcgans Hook. Fl. Bor. Am. i : 144. 1 831. 

 Astragalus oroboides amcricanus A. Gray, Proc. Am. Acad. 6: 

 205. 1863. 



Atelophragma Brandegei (Porter) Rydb, 



Astragalus Brandegei Porter, in Porter & Coult. Syn. Fl. Colo. 

 24. 1874. 



Atelophragma Shearis Rydb. 



Astragalus Shearis Rydb. Bull Torrey Club 31 : 562. 1904. 



