I04 



INDEX 



Rhamnus Purshiana, 83 



Frangula, 83 



cathartica, 83 

 Rhizoids, 64 

 Rhizome, 22 

 Rhiaopus nigricans, 61 

 Rheum officinale, 75 



palmatum, 75 



var. tanguticum, 75 

 Rhodophyceae, 59 

 Rhus venenata, 77 



glabra, 77 



toxicodendron, 77 



aroma tica, 77 

 Ricinus communis, 76 

 Rosa damascena, 77 



gallica, 77 

 Rosaceae, 77 



Rosmarinus officinalis, 90 

 Rosin, 92 

 Root, 16 



adventitious; 16 



anomalous, 16 



conical, 16 



duration of, 16 



epiphytic, 16 



fusiform, 16 



napiform, 16 



primary, 16 



secondary, 16 



tap, 16 

 Root, 15, 16 



cap, IS 



hairs, 15 



histology, 17 

 Rubiaceae, 85 

 Rub us cuneifolius, 77 



nigrobaccus, 77 



villosus, 77 

 Rue Family, 82 

 Rutaceas, 82 

 Rumex crispus, 75 

 Rusts, 62 



Sabal, 70 

 Sabina, 93 

 Saccharose, 4 

 Saccharum, 70, 75 



officinarum, 70 

 Saccharomycetes, 61 

 Sac Fungi, 61 

 SaEfron, 71 

 Salicacese, 73 

 Salix, 73 



Salvia officinalis, 90 

 Salvinia, 69 

 Salviniaceje, 6g 

 Sambucus canadensis, 88 



Sandarac, 92 

 Sandaraca, 93 

 Sanguinaria canadensis, 81 

 Santalum Rubrum, 78 

 Santonica, 91 

 Sapindaceae, 84 

 Sapotaceae, 86 

 Saprolegniales, 60 

 Saprophyte, 59 

 Sarsaparilla, 17, 71 

 Sassafras, 74 



medulla, 74 



variifolium, 74 

 Scammonium, 86 

 Scape, 38 

 Scilla, 71 



Schizomycetes, 56 

 Schizophyta, 56 

 Schlerenchyme, 5 

 Scrophulariacese, 89 

 Scopola carniolica, 88 

 Scoparius, 78 

 Scorpoid cyme, 39 

 Scouring rushes, 66 

 Scutellaria lateriflora, 90 

 Secondary cortex, 26 



medullary rays, 9 

 Seed, S3-SS 



albuminous, 53-55 



albumen, 53-55 



appendages, 53-55 



coats, 53-5 s 



exalbuminous, 53-55 



structure, 53-55 

 Selaginellaceae, 66 

 Selaginella, 66 

 Senega, 82 

 Senna, 78 



Serenoa serrulata, 70 

 Series, 2 

 Sieve, 7 



tubes,'s, 13 

 Simarubaceae, 83 

 Sinapis, 79 



alba, 79 



nigra, 79 

 Skunk cabbage, 70 

 Slime moulds, 56 

 Smilax medica, 71 



ornata, 71 



officinalis, 71 



papyraceae, 71 

 Smuts, 62 



Soapberry Family, 84 

 Solitary determinate inflorescence,. 39 



indeterminate inflorescence, 38 

 Solanaceae, 88 

 Solanum Carolinense, 88 



