Nuttalliana (DC.) Rydberg in Small's Fl. S. E. U. S. 618 (1903) 



is A Nuttallianus. 

 scaposa (Gray) Rydberg Torr. Bull. 32 659 (1905) is A. calycosus 



var. 

 Hamosi p. 253. 

 Hesperastragalus Heller Muhl. 2 86 (1906). 



compactus Heller Muhl. 2 218 (1906) is A. dispermus. 

 didymocarpus (H. & A.) Heller Muhl. 2 87 (1905) is A. didymo- 



carpus. 

 Gambellianus (Sheldon) Heller Muhl. 2 87 (1905) is A. nigrescens. 

 Homalobi pp. 11, 18, 65. 

 Homalobus Nutt. in T. & G. Fl. 1 353 (1838). 



aboriginorum (Rich.) Rydberg Fl. Mont. 246 (1900) is A. aborig- 



inum. 

 aboriginum (Rich.) Rydberg in Britton's Man. 554 (1901) is A. 



aboriginum. 

 acerbus (Sheldon) Rydberg Torr. Bull. 32 666 (1905) is A. Dod- 



geanus. 

 aculeatus (Nelson) Rydberg Fl. Mont. 249 (1900) is A, m«ntanus 



var. 

 Bourgovii (Gray) Rydberg Fl. Mont. 247 (1900) is A. Bourgovii. 

 Californicus (Gray) Heller Muhl. 2 86 (1905) is A. Californicus. 

 brachycarpus Nutt. in T. & G. Fl. 1 352 (1838) is A. simplicifo- 



lius var. 

 caespitosus Nutt. in T. & G. Fl. 1 352 (1838) is A. simplicifolius 



var. 

 campestris Nutt. in T. & G. Fl. 1 351 (1838) is A. campestris. 

 camporum Rydberg Torr. Bull. 32 666 (1905) is A. campestris. 

 canescens Nutt. in T. & G. Fl. 1 352 (1838) is A. simplicifolius var. 

 Clementis Rydberg Torr. Bull. 31 563 (1904) is A. Labradoricus 



var. 

 collinus (Dougl.) Rydberg Torr. Bull. 40 53 (1913) is A. collinus. 

 curvicarpus (Sheldon) Heller Muhl. 2 86 (1905) is A. Missouri- 



ensis. 

 dcbilis (Nutt.) Rydberg Torr. Bull. 40 53 (1913) is A. debilis. 

 decumbcns (Nutt. in T. & G. Fl. 1 352 (1838) is A. campestris var. 

 decumbens (Nutt.) in T. & G. Fl. 1 352 (1838) is A. campestris 

 decurrens Rydberg Torr. Bull. 31 563 (1904) is A. campestris var. 

 dispar Nutt. in T. & G. Fl. 1 350 (1838) is A. tenellus. 

 divergens (Blankenship) Rydberg Torr. Bull. 34 417 (1907) is 



A. campestris var. 

 Dodgeanus (Jones) Rydberg Torr. Bull. 40 52 (1913) is A. Winga- 



tensis var. 

 Episcopus (Watson) Rydberg Torr. Bull. 40 53 (1913) is A. Epis- 



copus. 

 exilifolius (Nelson) Rydberg Torr. Bull. 40 52 (1913) is A. sim- 

 plicifolius var. 

 Fendleri (Gray) Rydberg Torr. Bull. 32 667 (1905) is A. flexuosus 



var. 

 filipes (Torr.) Heller Muhl. 2 86 (1906) is A. stenophyllus. 

 grallator (Watson) Rydberg Torr. Bull. 32 666 (1905) is A. Hay- 



denianus. 

 flexuosus (Hook.) Rydberg Torr. Bull. 32 666 (1905) is A. flexu- 

 osus. 

 Hallii (Gray) Rydberg Torr. Bull. 32 667 (1905) is A. gracilentus 



var. 

 hylophilus Rydberg F. Mont. 247 (1900) is A. campestris var. 

 junceus Nutt. in T. & G. Fl. 1 351 (1838) is A. junceus. 

 junciformis (Nelson) Rydberg Torr. Bull. 32 666 (1905) is junceus 



var. 

 lancearius (Gray) Rydberg Torr. Bull. 40 52 (1913) is A. lance- 



arius. 

 lingulatus (Sheldon) Rydberg Torr. Bull. 40 52 (1913) is A. sim- 

 plicifolius. 



a? 



