NATIVE WOODY PLANTS OF THE UNITED STATES 259 
Schmaltzia oxyacanthoides, see Rhus trilobata. 
Schmaltzia pulchella, see Rhus trilobata. 
Schmaltzia quercifolia, see Rhus trilobata. 
Schmaltzia ribifolia, see Rhus trilobata. 
Schmaltzia scaberula, see Rhus trilobata. 
Schmaltzia simplicifolia, see Rhus trilobata. 
Schmaltzia straminea, see Rhus trilobata. 
Schmalizia subpinnata, see Rhus trilobata. 
Schmaltzia trilobata, see Rhus trilobata. 
Schmaltzia virens, see Rhus virens. 
Sebastiania bilocularis, see Sapium biloculare. 
Securingea fasciculata, see Halliophyium hallii. 
Senegalia berlandieri, see Acacia berlandieri. 
Senegalia emoryana, see Acacia emoryana. 
Senegalia greggii, see Acacia greggii. 
Senegalia malacophylia, see Mimosa malacophylla. 
Senegalia roemeriana, see Acacia roemeriana. 
Senegalia wrightii, see Acacia wrightit. 
Sequoia spp. 
Two species of trees attaining tremendous size and age, and producing fine 
timber; wood very resistant to decay. ‘The tallest, most massive, and oldest of 
United States forest trees; bark very thick; range of both species very 
restricted; finest specimens often protected; reproduce freely and abundantly. 
Observations (in addition to specific records): Crossbill; much eaten by 
squirrels. 
Sequoia gigantea, see Sequoia washingioniana. 
Sequoia sempervirens (Lamb.) Hndl. Redwood. 
Range: 1 
Site: Well-drained, sun. 
Fruit: Cone; ripe in September, seeds shed at once, cones persistent a 
few months. 
A very large, evergreen tree; root system deep or shallow; rapid growing 
when young, later slower; extremely long-lived; forms very dense forests; 
reproduces commonly by root and stump sprouts which grow faster than seed- 
lings; wood of great importance commercially ; 82,000-115,000 seeds per pound. 
Observations: Sierra chickaree. 
Sequoia washingtoniana (Winsl.) Sudw. Bigtree. 
S. gigantea Decne., S. wellingtoniona v. Seem. 
Range: 4 
Site: Dry, well-drained, sun. 
Fruit: Cone; mature at the end of the second summer, seeds shed 
slowly, cones soon falling. 
A very large, evergreen tree; extremely long-lived; at first rapid growing, 
later slower; resistant to fire, insects, and fungi; wood of great importance 
commercially ; 93,800 seeds per pound, germination 24 percent, vitality persistent. 
Observations: Much eaten by the California pine squirrel. 
Sequoia wellingtoniana, see Sequoia washingtoniana. 
Serenoa repens (Bart.) Small. Saw palmetto. 
S. serrulata (Michx.) Hook. f., Corypha repens Bart. 
Range: 29, 30. 
Site: Dry, well-drained, moist, sun. 
Fruit: Drupe; available June—November. 
