-45- 
Plant 
Vriesia bromeloides 
cardinalls 
erecta 
favorita 
guttata 
hieroglyph! ca 
incurva,ta 
magnifica 
poelmanl 
splendens 
Wanderingjew 
Watercress 
Waxplant 
Weigela sp. 
Wheat 
Wildindigo 
V/irevine 
Witchgrass 
V, r oodruff 
Wormwood 
Xanthosoma llndeni 
Yarrow 
Yellowrlm 
Yew 
Yucca fi lament o 3a 
variegata 
Zea mays 
Zebrina pendula 
Zinnia sp. 
Common name 
Cardinal Vriesia 
Poelrex Vriesia 
Hieroglyphic Vriesia 
Poelman Vriesia 
See Tradescantia . 
See Rorippa . 
See Hoya. 
Weigela, Bristol Fairy 
See Triticum . 
See Baptisia . 
See Huelenbeckia . 
See Panicum . 
See Asperula . 
See Artemisia . 
Linden Malanga 
See Achillea . 
See Serissa . 
See Taxus. 
Adamsneedle Yucca 
Stripeleaf Adamsneedle Yucca 
Corn, Golden Bantam 
Wandering jew Zebrina 
Zinnia, Rose Queen 
Numb er 
tested 
5 
5 
15 
15 
5 
5 
5 
15 
5 
5 
HI 
30 
200 
50 
40 
25 
40 
A few vegetables were definitely retarded when the seed was sown in 
soil treated with the authorized amount of technical DDT; young strawberry 
plants were retarded in development. The few plants which were definitely 
retarded appear in the following tabulation: 
Number 
Plant Common name tested 
Allium flavum 
Fragaria sp. 
Ly coper si con esculentum 
Phaseolus lunatus 
vulgari s humilis 
Spinacia oleracea 
Yellow onion, Danver's Yellow Globe 10 
Strawberry, Aberdeen 55 
Common Tomato, Marglobe 30 
Stoke sdale 312 
Lima Bean, King of the Garden 25 
Bush Bean, Bountiful 40 
Stringless Wax 10 
Spinach, Nobel 10 
