SAP DENSITY AND FREEZING POINTS OF LEAVES. 113 
Magnolia glauca 
Magnolia Lennei 
Magnolia obovata discolor 
Magnolia obovata purpurea 
Magnolia Soulangeana 
Magnolia Umbrella 
. Neillia opulifolia 
Ostrya virginica 
Philadelphus coronarius 
Philadelphus grandiflorus 
Platanus occidentalis 
Pyrus arbutifolia erythrocarpus 
Pyrus japonica 
Ribes aureum 
Taxodium distichum 
Tilia americana 
Ulmus alata 
Ulmus campestris 
Viburnum Lentago 
Viburnum Opulus sterilis 
III. Cases in which the leaf growth was completely 
killed, and in which there was no apparent injury to the 
new shoots. 
Acanthopanax ricinifolium 
Calycanthus floridus 
Cercis canadensis 
Cladrastis tinctoria 
Ginkgo biloba 
Hydrangea quercifolia 
Koelreuteria paniculata 
Leitneria floridana 
Liriodendron tulipifera 
Maclura aurantiaca 
Magnolia acuminata 
Magnolia Yulan 
Sambucus canadensis 
Xanthoceras sorbifolia 
IV. Where new leaves were entirely killed, and the new 
shoots partially killed. 
Ailanthus glandulosus 
Amorpha fruticosa 
Ampelopsis quinquefolia 
Aralia spinosa 
Berberis ilicifolia 
Berberis vulgaris Thunbergii 
Carpinus Betulus 
Fraxinus americana 
Fraxinus Ornus 
Fraxinus viridis 
Gleditschia aquatica 
Gleditschia triacanthos 
Gymnocladus canadensis 
Juglans rupestris 
Lindera Benzoin 
Liquidambar styraciflua 
Morus alba 
Quercus tomentosus 
Rhamnus tinctorius 
Rhus glabra 
Rhus typhina 
Robinia sp. 
Securinega fluggeoides 
Sophora japonica 
Spiraea prunifolia 
Spiraea Van Houttei 
V. New growth of all leaves and shoots completely 
killed. 
Asimina triloba 
Broussonetia papyrifera 
Catalpa bignonioides 
Chionanthus virginicus 
Diospyros virginiana 
Hibiscus syriacus 
Ilex opaca 
Magnolia grandiflora 
Paulownia imperialis 
Pinus austriaca 
Rhus cotinus atropurpureus 
Rhus toxicodendron 
