( 3117 ) 



Orobus canescens. Canescent Bitter- 

 Vetch. 



Class and Order. 



DlADELPHIA DECANDRIA. 



( Nat. Ord. — LeguminosjE. ) 



Generic Character, 



Cal. campanulatus, 5-fidus, lobis 2 superioribus breviori- 

 bus. Cor. papilionacea. Stam. diadelpha. Stylus graci- 

 lis linearis apice villosus. Legumen cylindraceum oblon- 

 gum 1-loc. bivalve polyspermism. Semina hilo lineari. — 

 Herbae erectce. Stipula? semisagittatce. Petioli in setam 

 brevem simplicem desinentes. Folia abrupte pinnata pauci- 

 juga. Racemi axillares pedunculali. De Cand. 



Specific Character and Synonyms. 



Orobus canescens; caule tetragono, foliis subtrijugis, foli- 

 olis linearibus obtusiusculis pubescentibus vel punc- 

 tata - rugosis, nervis parallelis, stipulis semisagittatis 

 linearibus acutis petiolum alatum subaequantibus, pe- 

 dunculis 3 — 5-floris folio duplo longioribus, dentibus 

 calycinis latis tubo brevioribus, leguminibus rectis 

 compressis glabris longitudinaliter reticulato-venosis. 



Orobus canescens. Linn. Fit. Suppl. p. 327. Willd. Sp. 

 PL v. 3. p. 1075. Benth. Cat. PL Pyr. p. 110. De 

 Cand. Prodr. v. 3. p. 379. 



Orobus ensifolius. Lapeyr. Mem. du Mus. v. 2. p. 303. 

 t. 12. (excl. var. {S.J 



Orobus atro-purpureus. Lapeyr. Abr. (non Desf.J 



Orobus filiformis. Lam. FL Fr. ed. 2. p. 568. Spreng. 

 Syst. Veg.v. 3. p. 258. 



Descr. Root perennial, throwing up several four-sided 

 and striated, simple, glabrous stcms 3 about a foot high. 



Leaves 



