143 illustrations of flowers and shrubs including: quassia, rafflesia, ragweed, ragwort, raspberry, rattle, rattlebox, rhododendron, rhodora, riverweed, rock-rose, rose, rosemary, rue, ruscus, and rush
 
      
      Pictured are flowers of the orders rubiaceae and valerianaceae. The flowers pictured are (1) galium,…
 
      
      Pictured is Linnaeus' sheet of rubus canadensis, Canadian blackberry. It is a thornless blackberry.
 
      
      "The common rue is a half-shrubby plant, two or three feet high, of a fetid odor and an acrid taste.…
 
      
      A strong-scented herbaceous plant of the genus Ruta, nat. order Rutacae, a native of S. Europe, but…
 
      
      "Cells of Rumex c, containing raphides r. The cells are called Raphidian. The raphides are acicular…
 
      
      A dock or sorrel. A common perennial herb growing in acidic sour soils mainly in the northern hemisphere.
 
      
      A runner is a very slender, thread-like, leafless stolon, much like a tendril, lying on the ground,…
 
      
      "Juncus acutiflorus; 1. a flower; 2. the pistil; 3. a perpendicular section of the ovary; 4. seeds;…
 
      
      An illustrative view of the soft rush. 1, plant; 2, inflorescence; 3, end of branch of inflorescence;…
 
      
      The left image is a staminate catkin of Russian mulberry. The right image is a pistilate catkin.
 
      
      The left image is a staminate flower of Russian mulberry. The right image is a pistilate flower.
 
      
      "Ruyschia amazonica. 1. a calyx and pistil; 2. a section of the ovary; 3. a seed; 4. the same, with…