(99) 



Ragweed, 59 



Family, 59 



giant, 59 

 Ramie plant, 12 

 Raspberry, 52, 66 



purple flowered, 66 

 Rattlesnake-master, 55 

 Red root, 69 



top, 47 

 Reseda, 51 

 Resins, 20, 21, 42 

 Resinoids, 23 

 Retinospora, 44 

 Rhabdocarp07i, 36 

 Rhododendron, 70 

 Rhubarb, 25, 49 

 Rhus, 79 

 Rice, 25 



Richardia aethiopica, 5 

 River woods, 3, 83, 84 



roads, 84 

 Robinia, 79 

 Rock cress, Alpine, 51 



rose, 54 



Family, 54 

 Rodger sia, 52 

 Rondeletia, 12 

 Rope, 20 

 Rose, 52, 62, 66 



box, 66 



Cherokee, 76 



climbing, 62 



dog, 66 



Family, 62, 65 



hips, 25 



Japanese, 66 



pasture, 66 



red-leaved, 66 



of Sharon, 69 



Watson's, 66 

 Rosemary, 17 

 Rubber plant, 8 

 Rubus, 66 

 Rue, 53 



Family, 15, 53, 67, 79 

 Ruellia, hairy, 58 

 Rumex, 49 

 Rush, common bog, 48 



common wood, 48 



Family, 48 



slender, 48 

 Rusts, 28 

 Rye, 24 



Sabal Palmetto, 4 

 Saccharum, 23 



officinarzcm, 13 

 St. Johnswort, 69 



Family, 54 

 Safflower, 25 

 Sage, 2i, 57 

 Sagittaria, 47 

 Sago flour, 24 



starch, 5 

 Salicetum, 72 

 Salix, 72 

 Salvinia, 13 

 Sambucus, 72 

 Sandalwood, 22, 25 



Sandzaki, 70^ 

 Sansevteria, 7 

 Sap green, 69 

 Sapodilla, 22 



Family, 21 



gum, 22 

 Sargasso weed, 27 

 Sargassum, 27 

 Sarracenia, 15 

 Sarsaparilla, 25 

 Sassafras, 22, 25 



medulla, 25 

 Saururus, 49 

 Saxifrage Family, 52 



heart-leaved, 52 



Menzies', 52 



shield leaf, 52 

 Scale-moss, 29 

 Scolithus, 35 

 Screw-pine, 8 

 Scythian lamb, 14 

 Sea-lavender, 56 

 Seaweeds, 27, 32 



brown, 27 



green, 27 

 Sedge, 21, 47 



cat tail, 47 



Family, 13 



fox, 47 



Fraser's, 47 



Gray's, 47 



tussock, 47 

 Sedum, 52 



Seed-bearing plants, 31 

 Seed dispersal, 60 



plants, fossil, 36 

 Seedless plants, 46 

 Se?npervivum, 10, 52 

 Senega, 25 

 Senna, 25, 53 



American, 53 



bladder, 67 



Family, 11, 53, 63, 67, 79 



scorpion, 67 

 Sensitive plant, n 

 Service berry, 66 

 Selaginella, 13 

 Shad bush, 66 

 Shagbark, 75 



Shrubs, collection of, 62-73 

 Skunk cabbage, 5, 47 

 Sigillaria, 36 

 Silicified wood, 37 

 Silver fir, 41 



Japanese, 40 

 Nordman's, 41 

 Sicilian, 41 

 Veitch's, 40 

 Sisal, 10 



Slime moulds, 27, 32 

 Smilax Family, 61 

 Smoke tree, American, 68 



European, 68 

 Smuts, 28 



Snake-head, L,yon's, 58 

 Snakeroot, Canada, 25 

 Sneezeweed, 59 

 Snowball, Japanese, 71 

 Snowberry, 72 



