A. convallarius Greene Erythea i 207 1893 



decumbens var. convallarius (Greene) Jones Cont. 10 58, 69 1902 

 Var. crispatus Jones 

 Var. decumbens (Nutt.-Gray) Jones 

 A. decumbens Gray Proc. Am. Acad. 6229 1864 

 Homalobus <lecumbens Nutt. in T. & G. Fl. N. A, I 352 1838 part. 

 Phaca decumbens [Nutt.] Piper Fl. Wash. 373 1906 

 Var. hylophilus (Rydberg) Jones 



Homalobus hylophilus Fl. Mont. 247 1900 

 A. divergens Blankenship Mont. Bot. Stud, i 73 1905 

 hylophilus (Ryderg) Nelson Bot. Ry. Mts. 291 1906 

 Var. serotinus (Gray) Jones 



A. serotinus Gray Pac. R.R. Rep. 12 18 51 t. 5 1890 



decumbens var. serotinus (Gray) Jones Cont. 10 58 1902 

 Falliseri Gray Proc. Am. Acad. 6 227 1864 

 strigosus C. & F. Bot. Gaz. 18 299 1893 

 griseopubens Sheldon Minn. Bot. Stud. 9 241894 

 Homalobus strigosus (C. & F.) Rydberg Torn Bull. 40 53 1913 

 Falliseri (Gray) Rydberg Fl. Mont. 248 1900 

 serotinus ((iray) Rydberg " " " 



campyloph\llus Greene Pitt. 3 195 1897 is Serenoi 

 Canadensis L. 757 No. 128 



Tragacantha Canadensis (L.) Kuntze Rev. Gen. 2 943 1891 

 Phaca Canadensis (L.) MacMillan Metasperm. 325 1894 

 Var. Carolinianus (L.) Jones Cont. 7 647 1895 



A. Carolinianus L. 757 

 Var. Mortoni (Nutt.) Watson Bot. King 68 1871 

 A. Vlortoni Nutt. Jour. Phil. Acad. 7 19 1834 



tristis and spicatus Nutt in T. & G. Fl. N. A. I 336 1838 

 Candelaiius Sheldon Minn. Bot. Stud. 9 142 1894 is Newberryi v'r 



Var. exiguus " " " " " 143 " " " 



candicans Greene Bull. Cal. Acad. 3 156 1881; is calycosus var. 

 candidiS'imus V/atson Bib. Index 191 1878 is Magdalenas Greene 

 Candolkaiius (H.B.K.) Sheldon Minn. Bot. Stud. 9 140 1894 



is trit^orns 

 capillipes Jones No. 70 

 canonis Jones Cont. 8 15 1898 No. iii 

 carnosus Pursh Fl. 2 740 1814 is crassicarpus 

 Carohnianus 1, 767 is Canadensis var. 

 caryocarpus Ker Bot. Reg. 2 t. 176 1816 is crassicarpus 

 Casei Gray Bot. Cal. i 154 1876 No. 105 



Tragacantha Casei (Gray) Kuntze Rev. Cien. 2 943 1891 

 castanajformis Watson Proc. Am. Acad. 20 361 8885 is argophyllus 



Var. castanceformis 

 Catalinen-is Nutt. PI. Gambel 152 1848 is A. didymocarpus 

 Cedrosensis X'asty & Rose Cont. Nat. Herb, i 15 1893 'S Nutt. var. 

 ceramicus Sheld .n Minn. Bot. Stud. 9 19 1894 is pictus 

 cerussatus Sheld n Minn. Bot. Stud. 9 139 1894 is triflorus 

 Chjetodon Tor . in Gray Proc. Am. Acad. 6 194 1864 is Spaldingii 

 Chamaileuce liray Bot. Ives 10 i860 is pygniaeus 

 Chandonettii Lunell \m. Mid. Nat. 2 127 1911 is nitidus var. 

 Chapalanus Jones No. 254 

 licada? [ones Com. 4 35 1893 is pygma?us 



cibarius Sheld-n Muu). bol. Stud. 9 146 1894 No. 162 

 A. arietinus Jones Cont. 7 653 1895 



Xylophacos cibarius (Sheldon) Rydberg Torr. Bull. 40 48 1913 

 Cimensis Jones 122 



circumdatus Greene Pitt, i 173 1888 No. 92 

 Clevelandi Greene Torr. Bull. 9 121 1882 No. 264 

 Coahuilre Jones No. 217 

 Cobrensis Gray PI. Wr. 2 43 1853 No. 146 

 Tragacantha Cobrensis (Gray) Kuntze Rev. Gen. 2 943 1891 

 coccineus (Parry) Brandegee Zoe 2 72 1890 No. 177 

 A. Purshii var. coccineus Parry West. Am. Sci. 7 10 1890 

 Xylophacos coccineus [Parry] Heller Muhl. 2 217 1906 

 collinus Douglas in Hooker Fl. Bor. Am. i 140 1830 No. 97 

 Phaca collina [Douglas] Hooker Fl. Bor. Am. I 141 1830 

 Tragacantha collina [Dougl] Kuntze Rev. Gen. 2 943 1891 

 Homalobus collinus [Dougl.j Rydberg Torr. Bull. 40 53 1913 



