-6- 
Number 
Plant 
Common name 
tested 
Anthurium crystallinum 
Crystal Anthurium 
5 
ornatum album 
... 
8 
scherzerianum 
Common Anthurium 
5 
spathiphyllum 
_ — 
20 
warocqueanum 
- - . 
5 
Aquilegia sp. 
Columbine) Crimsons tar 
210 
Mrs. Scott Elliott 
3,010 
Snow Queen 
500 
alp ina 
Alpine Columbine 
400 
alba 
finite Alpine Columbine 
10 
chrysantha 
Golden Columbine 
3,710 
Silver Queen 
300 
coerulea 
Colorado Columbine 
700 
longissima 
Long spur Columbine 
850 
Blue shades 
1,210 
Pinkshades 
810 
thalictri folia 
See A. chrysantha. 
— 
vulgaris 
European Columbine 
3,000 
Arabia alpina 
Alpine Rockcress 
1,040 
florepleno 
Double Alpine Rockcress 
900 
alba 
Double "White Alpine Rockcress 
10 
nana compacta 
Dwarf Alpine Rockcress 
300 
Aralia balfouriana 
See Polyscias balfouriana. 
«•« 
sieboldi 
See Eatsia japonica. 
— - 
Araucaria excelsa 
Norfolkisland Pine 
106 
Arborvitae 
See Thuja. 
— 
Ardisia crenulata 
... 
35 
Aregelia marmorata 
Airplant Aregelia 
10 
spec tab ill s 
Showy Aregelia 
10 
tristis 
Bitter Aregelia 
10 
Arenaria verna caespitosa 
Moss Sandwort 
75 
Aristolochia durior 
Dutchmanspipe 
184 
sip ho 
See A. durior. 
— 
Armeria sp. 
Thrift, Bees Ruby 
500 
Glory of Holland 
575 
Vindicative 
200 
cephalotes 
See A. pseudoarmeria. 
— 
maritima laucheana 
Lauche Common Thrift 
785 
pseudoarmeria 
Pinkball Thrift 
400 
rubra 
Rosy Pinkball Thrift 
1,560 
Arnica clusi 
See Doronicum clusi. 
— 
Aronia arbuti folia 
Red Chokeberry 
20 
Arrowroot 
See Marantha* 
— 
Artemisia sp. 
Wormwood, Silver King 
2,000 
Silver Queen 
1,500 
dracunculus 
Tarragon 
100 
lactiflora 
Ghostplant Wormwood 
250 
vulgaris 
See A. lactiflora. 
— » 
Aruncus Sylvester 
Sylvan Goatsbeard 
50 
