First description was in:

as

Echinopsis bridgesii

On page 181



  (8.) E. Bridgesii Nob E. caule subellipsoideo inferne prolifero nitide viridi sinubus latis, costis 12—14 rotundatis inter pulvillos convexis, pulvillis immersis confertis parce griseo–tomentosis, aculeis subæqualibus subelongatis rigidissimis, exterioribus 9—ll interioribus 4, omnibus primo bruneis dein cinereis. (Nob.)
  Caulis hucusque poll. 5—6 altus et diametro 3—4 pollieari, utrinque paulum attenuatus, inferne proliferus. Costæ crassæ, obtusæ, obrepandæ. Aculei lin, 5—6 longi, rigidi, cxteriores 9 interdum cum binis summis gracilioribus, radianter patentes, interiores 4 decussati, sæpe uno alterove deficiente.
  Cura Dom. Bridges, qui flores vidit, e Bolivia advecta. In hortis nondum floruit.