866 PROCEEDINGS OF THE AMERICAN ACADEMY 



quasi didjmo; locellis uuiovulutis monospermis. — Wickeuburg, Ari- 

 zona, Dr. Palmer, 1876. 



Astragalus allochkous. Inter lajlatos perennes corolla ut 

 videtur lajte purpurea seu violacea insignis ; floribus, etc., caiterum fere 

 A. Douylasii et macrodontis ; legumine vesicario sesquipollicari ; folio- 

 lis oblongis ramisque adpresso-puberulis subcinereis. — Near Wickeu- 

 burg, Arizona, Dr. E. Palmer, 1876. The flowers are 4 or 5 lines 

 long, loosely spicate ; the calyx-teeth subulate from a broad base and 

 rather shorter than the tube ; the legume minutely and sparsely puber- 

 ulent, and not at all mottled. — Dr. Palmer collected an allied species 

 the following year, on the northern border of Arizona, viz. : — 



Astragalus subcineki:us. A. allockroo et A. Wardl (etiam per- 

 enui?) affinis, undique moUiter cinereo-pubescens ; caulibus e caudice 

 perenui diffusis ultraspithamaMs foliosis; stipulis liberis parvis; petiolis 

 brevibus; foliolis 19-21 linearibus oblongis(]ue retusis (lin. 3-4 longis); 

 pedunculis folio brevioribus; spica oblonga confertim multiflora; floribus 

 patentibus (lin. 3 longis) ; dentibus calycis angusto-subulatis tubo cam- 

 panuliUo paullo brevioribus; corolla ut videtur viridula apice purpurea, 

 vexillo violaceo-striato ; legumine tenuiter vesicario uniloculari globose 

 cum acumine parvo 5-pollicari puberulo purpureo-picto polyspermo, 

 sutura ventrali modice introflexa. — Mokiak Pass in the northwestern 

 part of Arizona, near the Utah boundary. Dr. E. Palmer, 1877. 



Astragalus scaposus. Subucaulis, caispitans, pube brevissima 

 adpressa argenteo-incana ; stipulis scariosis basi petioli adnatis ; foliolis 

 7-11 obovalo-oblongis (lin. 4-5 longis) utrinque incanis ; pedunculis 

 scapiformibus gracilibus (3-8-pollicaribus) cum spica oblonga crebrius- 

 cule 6-r2-flora foliis duplo longioribus; calycis tubo oblongo-campanu- 

 lato dentibus subiilatis 2-3-plo longioribus ; corolla " rubro-purpurea 

 nunc albescente " (lin. 5 longa) ultra calycem vix dimidio exserta; 

 vexillo absque tequilongis obcordato-emarginatis carina recta obtusis- 

 sima paullo longioribus; legurainibus adscendentibus parvulis (lin. 5 

 longis sesquilineam latis) calyce fere semi-inclusis rectis subtrigono- 

 cylindraceis (sutura dorsali sulcata, ventrali subprominula) estipitatis 

 canescentibus septo tenui bilocellatis ; locellis 8-0-spermis. — Among 

 rocks in dry creek-bottoms, in Mokiak Pass, near the northeastern 

 corner of Arizona, Dr. E. Palmer, 1877. Not much like any other of 

 our species, except that the foliage resembles that of A. Missouriensis. 



Astragalus amphioxvs. A. Shortiano, Nutt. {A. ci/aneo, Gray, 

 PI. Fendl.) et A. 3IissoHriensi sat similis ; foliolis (lin. 3-6 longis) 

 sajpius oblongis acutis ; legumine tenuiter coriaceo aut anguste aut obo- 

 vato-oblongo obcompresso basi apiceque attenuate et compresso nunc 



