[1] : The Collaborative International Dictionary of English v.0.48

saxifrage \sax"ifrage\ ?; 48, n. l. saxifraga, from
   saxifragus stone-breaking; saxum rock + frangere to break:
   cf. f. saxifrage. see fracture, and cf. sassafras,
   saxon. bot.
   any plant of the genus saxifraga, mostly perennial herbs
   growing in crevices of rocks in mountainous regions.
   1913 webster

   burnet saxifrage, a european umbelliferous plant
      pimpinella saxifraga.

   golden saxifrage, a low half-succulent herb
      chrysosplenium oppositifolium growing in rivulets in
      europe; also, chrysosplenium americanum, common in the
      united states. see also under golden.

   meadow saxifrage, or pepper saxifrage. see under
      meadow.
      1913 webster
see also:
fracture sassafras saxon saxifraga burnet saxifrage pimpinella saxifraga 
golden saxifrage chrysosplenium oppositifolium chrysosplenium americanum golden meadow saxifrage 
pepper saxifrage meadow 

[2] : The Collaborative International Dictionary of English v.0.48

burnet \bur"net\, n. oe. burnet burnet; also, brownish the
   plant perh. being named from its color, fr. f. brunet, dim.
   of brun brown; cf. of. brunete a sort of flower. see
   brunette. bot.
   a genus of perennial herbs poterium; especially,
   poterium sanguisorba, the common, or garden, burnet.
   1913 webster

   burnet moth zool., in england, a handsome moth
      zygaena filipendula, with crimson spots on the
      wings.

   burnet saxifrage. bot. see saxifrage.

   canadian burnet, a marsh plant poterium canadensis.

   great burnet, wild burnet, poterium oficinalis or
      sanguisorba oficinalis.
      1913 webster
see also:
brunette poterium poterium sanguisorba burnet moth zygaena filipendula burnet saxifrage 
saxifrage canadian burnet poterium canadensis great burnet wild burnet 
poterium oficinalis sanguisorba oficinalis 

Saxifrage >> S Words
Saxifrage, definition of term: Saxifrage
saxifrage_pag1.html

Burnet >> B Words
Burnet, definition of term: Burnet
burnet_pag1.html