138 MISC. PUBLICATION 303, U. 8S. DEPT. OF AGRICULTURE 
Grossularia parishii, see Ribes divaricatum. 
Grossularia pinetorum, see Ribes pinetorum. 
Grossularia quercetorum, see Rides quercetoruim. 
Grossularia roezlii, see Ribes roeetlii. 
Grossularia rotundifolia, see Ribes rotundifolium. 
Grossularia sericea, see Ribes sericeum. 
Gressularia setosa, see Ribes setosum. 
Grossularia speciosa, see Ribes speciosum. 
Grossularia velutina, see Ribes velutinum. 
Grossularia victoris, see Ribes victoris. 
Grossularia watsoniana, see Ribes watsonianum. 
Guiacum angustifolium, see Porlieria 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: "9S. 13. 141G-. 
Site: Dry, sun. 
Fruit: Achene. 
A small shrub; flowers in August. 
Gyminda grisebachii, see Gyminda latifolia. 
Gyminda latifoiia Sw. Faise boxwood. 
G. grisebachti Sarg. 
Range: 17, 32. 
Site: Well-drained, sun. 
Fruit: Drupe. 
A large shrub to small tree; evergreen. 
Gymuocladus dioica (L.) Koch. Kentucky coffeetree. 
Range: 19, 205 225 23.024. 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 fail into drinking pools. 
Gymnolomia tenuifolia, see Viguiera stenoloba. 
Halesia spp. 
Observations (in addition to specific records) : Gray squirrel. 
Halesia carolina L. Silverbell. 
Hi, tetraptera L., Mohrodendron carolinum Britt. 
Range: 25, 27, 28, 29, 30. 
Site: Weli-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. 
Mohrodendron 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. 
