868 PROCEEDINGS OP THE AMERICAN ACADEMY 



bus oblongisve (lin. 3-4 loiigis) ; pedunculis folio multo brevioribu3 

 laxe paucifloris ; floribus pateiitibus mox deflexis parvis (lin. 2 longis) ; 

 calycis deiitibus subulatis tubo brevioribus ; legumine membranaceo 

 uniloculari glabello estipitato (circ. lin. 7 longo et 4 lato) circumscrip- 

 tione ovato-oblongo et arcuato sed triquetro, angulis acutis ventralibus 

 et lateralibus, dorso lato obcompresso-impresso, suturis tenuissimis baud 

 intrusis; seminibus 6. — Southeastern borders of Nevada, at the con- 

 fluence of Mudd}' River with the Virgen, Dr. Palmer, 1877; sparingly 

 collected. Habit somewhat of A. Geijeri, and the legume equally 

 thin-walled ; but the triquetrous form (which is restored by soaking), 

 with the broad back somewhat impressed with a re-entering angle, is 

 peculiar. 



Astragalus sabulonum. A. tn'fioro el (7e2/ensubsimilis, cinereo- 

 pubescens ; caulibus (s|)itharaa3is) e radice annua laxe diffusis ; stipulis 

 liberis ; foliolis 9-13 oblongis (semipollicaribus) ; pedunculis gracilibus 

 folio sajpe brevioribus laxe 3-5-floris ; floribus lin. 3 longis ; calycis sub- 

 villosi dentibus promisse subulatis tubo brevi longioribus corollam pur- 

 puream seu violaceam a?quantibus ; vexillostriato ; legumine chartaceo 

 subinflato oblongo-ovato subincurvo estipitato villosulo (semipollicari) 

 prorsus uniloculari, suturis nee prominulis nee intrusis. — Southeastern 

 border of Nevada, near the confluence of Muddy River with the Rio 

 Virgen, on sandy ridges. Dr. Palmer, 1877. 



Astragalus coxfkutiklorus. (A. flavits, var. candicans, Gray, 

 Proc. Am. Acad. xii. 54.) Humilis, pube minuta adpressa canesceus, e 

 caudice crasso confertim multicaulis ; stii)ulis scariosis folium adversus 

 connatis ; foliolis 11-13 angusto-linearibus (lin. 8-12 longis lineam 

 latis) ; pedunculis. strictis caules foliaque superantibus (3-4-pollicari- 

 bus) ; spica stricta densa multiflora (2-3-pollicari) ; calyce adpresso- 

 pubescente, dentibus tubo campanulato parum brevioribus ; corolla 

 " pallide lilacina," carina apice violacea ; legumine (vix semipollicari) 

 ovali-oblongo sericeo-canescente calyce ^-incluso modice obcompresso 

 uniloculari, sutura dorsali intus vix tumida, ventrali extus saliente 

 crassa. — Utah, near Richfield, L. F. AVard, in fruit ; near St. George, 

 Dr. Palmer, finely in flower ; and the corolla proves to be not at all 

 yellow. Although nearly related to A. Jlavus, it must be different. 

 The pubescence, especially of the calyx and inflorescence, is much 

 finer and closer ; the spike more strict and dense ; flowers narrower ; 

 the legume rather more exserted from the calyx, and its dorsal suture 

 less tumid within. But the fruit of the two is veiy much alike : in 

 both the retuse base is connected with the receptacle by an extremely 

 short sti[)e, not longer than thick. 



