l^g MISC. PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 
Grossniaria parishii, see Rihes divaricafum. 
Grossularia pinetorum, see Ribes pinetorum. 
Grossniaria quercetornm, see Rihes quercetorum. 
Grossularia roezlii, see RiTies roezlii. 
Grossularia rotnndifolia, see Rihes rotundifGlium. 
Grossularia sericea, see Riles sericeum. 
Grossularia setosa, see Rides setosum. 
Grossularia speciosa, see Rihes speciosum. 
Grossularia velutina, see Rihes velutinum. 
Grossularia victoris, see Rihes victoris. 
Grossularia watsoniana, see Rihes ivatsonianum. 
Guiacum angustifolium, see PorJieria augustifolia. 
Gutierrezia linearis Rydb. Turpentine weed. 
Range: 15, 16. 
Site : Dry, sun. 
Fruit : Achene. 
A small shrub ; flowers July-September. 
Gutierrezia longifolia Greene. Turpentine weed. 
Range : 9, 11, 18, 14, 16. 
Site : Dry, sun. 
Fruit: Achene. 
A small shrub ; flowers in August. 
Gyminda grisebachii, see Gyminda latifoJia. 
Gyminda latifolia Sw. False boxwood. 
G. grisehacliii Sarg. 
Range: 17. 32. 
Site : Well-drained, sun. 
Fruit: Drupe. 
A large shrub to small tree ; evergreen. 
Gymnocladus dioica (L.) Koch. Kentucky coffeetree. 
Range : 19, 21, 22, 23, 24, 25, 27. 
Site : Well-drained, sun. 
Fruit : Legume ; available in September, persistent unopened through the 
winter. 
A large tree : ordinarily occurs in rich soil ; flowers May-June ; root system 
deep, widespreading ; root nodules not formed : wind-firm ; wood very durable, 
used to some extent commercially ; rarely attacked by insects or disease. Seed 
germination high but irregular and slow, vitality high : 200-300 seeds per pound. 
Leaves poisonous to cattle, but cases of poisoning are infrequent, often happening 
when pods fall into drinking pools. 
Gymnolomia tenuifolia, see Viguiera stenoloha. 
Halesia spp. 
Ohservaiions (in addition to specific records) : Gray squirrel. 
Halesia Carolina L, Silverbell. 
H. tetraptera L., Molirodendron carolinum Britt. 
Range : 25, 27, 28, 29, 30. 
Site: Well-drained, sun, shade. 
Fruit : Winged capsule. 
A large shrub to small or large tree ; flowers March-April ; rarely attacked 
by insect pests : easily storm-damaged ; very ornamental and much cultivated ; 
propagation is by seed stratified and sown in spring or sown as soon as ripe. 
Halesia diptera Ell. Two-wing silverbell. 
Molirodendron dipterum Britt 
Range : 29, 30. 
Site : Well-drained, moist, sun, shade. 
Fruit: Winged capsule. 
A small to large tree ; flowers March-April ; propagation as above. 
