(162) 



Rhus glabra, 136 



hirta, 135 

 Rib-grass, 59 

 Rice, 25 



River woods, 3, 84, 85 

 Roads, 85 

 Robinia, 80 



Pseudacacia, 135 



viscosa, 135 

 Rock cress, Alpine, 52 



-rose, 55 



Family, 55 

 Rodgersia, 53 

 Rondeletia, 10 

 Roots, aquatic, 61 

 Rope, 21 

 Rose, 53, 67 



box, 68 



Cherokee, 15 



climbing, 63 



dog, 67 



Family, 53, 63, 67, 68 



hips, 26 



Japanese, 67 



pasture, 67 



red-leaved, 67 



of Sharon, 70 



Watson's, 67 

 Rosemary, 16 

 Rubber, 21 



plant, 6 

 Rubus, 67 

 Rue, 54 



Family, 14, 54, 6q, So 



meadow-, 52 

 Ruellia, hairy, 59 

 Rum ex, 50 

 Rush, common bog, 49 



common wood, 49 



Family, 49 



slender, 49 

 Rusts, 29 

 Rye, 24 



Sabal Palmetto, 16 

 Saccliarum, 25 



ofjicinarum, 10 

 St. Johnswort, 70 



Family, 55 

 Safflower, 26 

 Sage, 22, 58 

 Sagittaria, 48 

 Sago, 24 



flour, 24 



palm, 18, 36, 37 



starch, 18 

 Sahuaro, 9 

 Salicetum, 74 

 Salix, 74 



Salix alba, 102 



babylonica, 102 



nigra, 101 

 Salvinia, 11 

 Sambucus, 73 

 Sandalwood, 23, 26 

 Sandzaki, 71 

 Sansevieria, 5 

 Sap green, 70 

 Sapodilla, 22 



Family, 21 



gum, 22 

 Sargasso weed, 28 

 Sargassum, 28 

 Sarracenia, 14 

 Sarsaparilla, 26 

 Sassafras, 23, 26, 79, 124 



medulla, 26 



oil of, 124 



Sassafras, 124 

 Saururus, 5c 

 Saxifrage Family, 53 



heart-leaved, 53 



Menzie's, 53 



shield-leaf, 53 

 Scale moss, 30 

 Scolithus, 36 

 Screens, border, 87 

 Screw-pine, 6 

 Scythian lamb, 19 

 Sea lavender, 56 



moss, 33 

 Seaweeds, 27, 28, 33 



brown, 28 



fossil, 36 



green, 28 



red, 28 

 Sedge, 10, 22, 48 



cat-tail, 48 



Family, 10, 48 



fox, 48 



Fraser's, 48 



Gray's, 48 



tussock, 48 

 Sedum, 53 

 Seed-bearing plants, 32, 47 



dispersal, 60, 61 



plants, fossil, 36, 37 

 Seedless plants, 47 

 Sempervhrnm, 8, 53 

 Senega, 26 

 Senna, 26, 54 



American, 54 



bladder, 68 



Family, 9, 54, 64, 68, 80 



scorpion, 69 

 Sensitive plant, 9 

 Serviceberry, 68, 127, 128 



swamp, 128 



