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 huministratus A. Gray, Pl. Wright. 2: 43. 1843. 
Tium desperatum (Jones) Rydb. 
Astragalus despevatus 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. 
Astragalus aboriginorum Richardson, Frankl. Journey 746. 1823. 
Atelophragma Macounii Rydb. 
Astragalus Macounu Rydb. Mem. N. Y. Bot. Gard. 1: 243. 
1900. 
Atelophragma glabriuscula (A. Gray) Rydb. 
Astragalus glabriusculus 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 elegans Hook. Fl. Bor. Am. 1: 144. 1831. 
Astragalus oroboides americanus A. Gray, Proc. Am. Acad. 6: 
205. 1863. 
Atelophragma Brandegei (Porter) Rydb. 
Astragalus Brandeget Porter, in Porter & Coult. Syn. Fl. Colo. 
24. Y874: 
Atelophragma Shearis Rydb. 
Astragalus Shearis Rydb. Bull. Torrey Club 31: 562. 1904. 
