OF ARTS AND SCIENCES : JUNE 11, 1867. 337 



little over an inch in length, and when apparently mature not at all 

 obcompressed but somewhat flattened laterally, with the acute ventral 

 suture salient, completely biloeellate. 



Astragalus Arthu-Schottii, Gray, Rev. Astr., char, fruct. 

 emend. : spithamasus ad tripedalem ; legumine maturo ovato acuminato 

 (lin. 7-8 longo) canescente chartaceo ad suturam ventralem pro- 

 fundius sulcato ob septum dorsalem completum bilocellato. — In sand 

 on the Mohave River, at Camp Cady and elsewhere, Dr. J. G. Cooper. 



Astragalus Bolanderi : subpedalis, cinereo-puberulus ; stipulis 

 brevibus scariosis adversus petiolum connatis ; foliolis G-9-jugis 

 sublinearibus oblongisque ; pedunculis folio brevioribus capitato-pluri- 

 floris ; pedicellis brevissimis, fructiferis reflexis ; legumine in stipitem 

 e calyce exsertum hamato-incurvo ovato acutato obcompresso turgido 

 coriaceo glabro (lin. 8-9 longo 3-4 lato) poljspermo ob septum com- 

 pletum bilocellato. — Dry ground, at Ostrander's Ranch, Yosemite 

 Valley, Bolander. Flowers not seen. The teeth of the calyx are 

 almost setaceous, and more than half the length of the cylindraceous 

 tube. Stipe 4 lines long. The species is to be ranked, perhaps, with 

 the Oroboidei, although the stipules are connate and the legume com- 

 pletely two-celled. 



Latiiyrus Torreyi: pusillus (spithamams ad pedalem), villoso- 

 pubescens ; radice perenni ; stipulis semisagittatis angustis ; foliolis 

 4-G-jugis ovalibus mucronatis (lin. 4 - 8-longis) ; cirrho simplici 

 srepius brevissimo ; pedunculo brevi vel brevissimo ssepius unifloro ; 

 calycis lobis setaceo-subulatis tubo duplo longioribus ; corolla pur- 

 purascente; legumine pauci-ovulato monospermo in pedicellum deflexo. 

 Z. ? villosus, Torr. in Stevens (Cooper & Suckley) Pacif. R. R. Rep.; 

 a preoccupied name. — Mendocino or south part of Humboldt Co., 

 Bolander. A neat and peculiar little species, very different from any 

 other, at least in North America, in slendemess, in the small size of 

 the leaflets, and the single-flowered peduncles. The latter are some- 

 times scarcely longer than the stipules, and seldom half the length of 

 the leaf. Bolander's specimens are past the flowering state ; the young 

 legume minutely pubescent, semi-oblong, flat, apparently maturing only 

 a single seed. 



Prunus (Amygdalus) Andersonii : glaberrima ; ramis spi- 



nescentibus ; foliis fasciculatis parvis (lin. 4-9 longis) spathulatis ob- 



longisve obtusis tenuiter subnervoso-venosis subserrulatis eglandulosis ; 



floribus longiuscule pedicellatis ; calycis (ebracteolati) lobis integer- 



vol. vii. 43 



