2 go 



INDEX 



Sansevieria cylindrica, 230 



Scabrous, roughened. 



Scarlet runner bean, 207 



Schamberg, Dr. Jay and desensitization 



for poison ivy, 83 



Schmucker, Dr. S. C., mentioned, 101 

 Sclerotium, a hardened compact fungous 

 mycelium associated with the per- 

 ennation of the fungus producing 

 it. 



Scopolomin, 101 

 Scuppernong grape, 234 

 Scurvy, a disease, which occurs on land 

 and sea, characterizied by spongy 

 gums and other symptoms due to 

 malnutrition, 46 

 Seaside oats, 129, 143 

 Seasonal variation of poisons, 13 

 Secale anatolicum, 170; cereale, 170; 



montanum, 170 

 Seed collections, 153-154; crops, 236; 



germination, rate of, 264-265 

 Seeding of alfalfa, 187 

 Seeds, agricultural, 259; comparison, 266; 

 number of in pound and bushel, 268; 

 real worth of, 266 

 Seed tester, rag doll, 271 

 Seed testing, apparatus for, 260; history 



of, 259; practical 260-262 

 Senecio Jacobcea as a poisonous plant, 109 

 Senegal gum, 185 

 Senna, 185, 230 

 Sensitive plants, 182 

 Septoria polygonum, as a spot disease of 



smartweed, 256 

 Sequoia sempervirens, 43 

 Serradella, 184, 208 

 Serrate, the margin with teeth pointing 



forward like a saw edge. 

 Sesbania cannabina, 184; esculenta, 184 

 Sessile, applied to leaves without a leaf 



stalk. 



Shaddock, 235 

 Shaftal, 212 

 Shallot, 227 

 Shallu, 128, 236 



Shantz, H. L., observations on short 

 grass vegetation, 149 



Sheaths of grass leaves, 125 



Sheep-laurel, 92 



Sheep sorrel. 254 



Sheep's fescue, 140 



Shepherd's purse, 248, 252 



Short grass vegetation, 149; as an indi- 

 cator, 149 



Siberian millet, 147 



Side-oat grama, 148; analysis of, 148 



Silage, 117; poisoning by, 45 



Silene dichotoma, 267 



Silo, 117 



Sisal, 230 



Six weeks' grama, 147 



Skewers of oleander, poisonous, 98 



Smilacin, 58 



Smith, E. Philip, recent work on hay- 

 fever, 113 



Smooth brome grass, 139 



Snakeroot, white, as a poisonous plant, 

 104 



Sneeze-weed, 102 



Soapweed, 213 



Socrates and the poison hemlock, 90; 

 death of, 90 



Soilage, 117 



Soil, influence of, in formation of poisons; 



14 



Soiling crops, 117 

 Soils for maize, 160 

 Soja, 184 

 Solanaceae, various poisonous plants of, 



9Q 



Solanidin, 102 



Solanin, 20, 102 



Solanum carolinense, 243, 250; dulcamara 

 as a poisonous plant, 101; melongena, 

 2 33> nigrum as a poisonous plant, 

 101; tuberosum, 225; as a poisonous 

 plant, 102 



Sorghum, 128; poisoning by, 45; hale- 

 pense, 145 



Sorghums, 236; seed impurities of, 263 



Sorgo, 128, 236 



