OF ARTS AND SCIENCES. 867 



leviter nunc maxime arcuato. — A. Sho-tiamis, var. ? minor, Gray, 

 Asti-ag. Rev. in Proc. Am. Acad. vi. 211, magna pro parte. A. cya- 

 neus, Watson in Am. Naturalist, ix. 270, quoad coll. Parry, no. 46, 

 49. — Southern Utah and New Mexico and Northern Arizona, Thur- 

 ber, Parry, Palmer, «S:c. Fine specimens with better fruit than before, 

 collected in 1877 by Dr. Palmer on the borders of Utah and Arizona, 

 have now called proper attention to this species, which as to the foliage 

 and flowers might be wholly mistaken for A. Mlssouriensis^ while 

 through its larger and curved legume it has been confounded with A. 

 Shortianus. Mr. Watson, who noted the characters upon immature 

 fruit, took this species to be the A. cyaneus of PI. FendL, &c. ; but 

 that, as to all the original specimens is truly A. Shortianus^ and so this 

 must have a new name. However it be as to the foliage and flowers, 

 these three species are well distinguished by their fruit; A. Missovri- 

 ensis and A. Shortianus by the cartilaginous (at first somewhat fleshy) 

 texture and very abrupt obtuse or rounded base of the legume, which 

 in the former is short, elliptical, and straight; in the latter larger and 

 longer (one to two iuclies long) and curved. A marked variety of it 

 (var. brachylobus, recently collected by Dr. Palmer in Arizona) has a 

 shorter pod with an obtuse apex. A. amphioxys, as its name denotes, 

 has the legume acute at both ends, the base so much narrowed that it 

 often seems to be stipitate in the calyx, the texture is much thinner, 

 the fore-and-aft compression greater, the arcuation moderate in the 

 shorter pods, but strong in the longer ones. 



Astragalus Mokiacensis. A. iodantho proximus, elatior ; sti- 

 pulis herbaceis ; calycis dentibus tubo dimidio brevioribus ; leguraine 

 oblorgo rectiusculo vel parum curvato turgido (^-^-pollicari) sectione 

 transversa ovali ad suturas levissime snlcato hand carinato. — Rocky 

 ravines, Mokiak Pass, on the borders of Utah and N. W. Arizona, Dr. 

 Palmer, 1877. The collector notes that the corolla is "red and white;" 

 in the dried specimens the color is deep violet. 



Astragalus ursinus. Habitu prajcedentis et A. iodanthi; cauli- 

 bu6 magis flexuosis ; floribus minoribus (parum semipollicaribus) ; caly- 

 cis dentibus triangulatis tubo campanulato 3-4-plo brevioribus ; spica 

 oblonga densiflora ; leguminibus arrectis parvulis (semipollicaribus) 

 oblongis sursum parum attenuatis acutis leviter arcuatis coriaceis bilo- 

 cellatis, sectione transversa circulari, suturis nee sulcato-intrusis nee 

 carinato-prominulis. — Bear Valley in south-central part of Utah, Dr. 

 Palmer, 1877. 



Astragalus triquetrus. Humilis, e radice annua difFusus, pube 

 adpressa cinereus ; stipulis parvulis scariosis liberis ; foliolis 7-9 ovali- 



