NATIVE WOODY PLANTS OF THE UNITED STATES 101 
Chrysothamnus pulchellus (Gray) Greene. 
C. baileyi Woot. and Standl., Bigelovia pulchella Gray, Linosyris pulchella 
Gray. 
Range: 9, 11, 16. 
Site: Dry, sun. 
Fruit: Achene. 
A small shrub; usually occurs in sand. 
Var. elatior (Standl.) Hall and Clem. (C. elatior Standl.) is taller than the 
species and occurs in region 11. 
Chrysothamnus pulcherrimus, see Chrysothamnus nauseosus. 
Chrysothamnus pumilus, see Chrysothamnus viscidifiorus. 
Chrysothamnus salicifolius, see Chrysothamnus nauseosus. 
Chrysothamnus serrulatus, see Chrysothamnus viscidiflorus. 
Chrysothamnus speciosus, see Chrysothamnus nauseosus. 
Chrysothamnus stenolepis, see Chrysothamnus viscidijiorus. 
Chrysothamnus teretifolius (Dur. and Hilg.) Hall. 
Linosyris teretifolia Dur. and Hilg., Hricameria teretifolia (Dur. and Hilg.) 
Jeps. 
Range: 5, 8, 10. 
Site: Dry, sun. 
Fruit: Achene. 
A small or rarely a large, brittle-twigged shrub; irregularly much branched 
and spreading to form a flat or rounded plant; rubber content 2.5 percent or 
5 percent in certain strains. Resinous, and not browsed by livestock. 
Chrysothamnus turbinatus, see Chrysothamnus nauseosus. 
Chrysothamnus viscidiflorus (Hook.) Nutt. Douglas rabbitbrush. 
Bigelovia douglasiit Gray. 
Range 405569, 6, 9, LOY it, 12,13, 15: 
Site: Dry, sun. 
Fruit: Achene. 
A small or rarely a large shrub; about 20 segregates, 16 of which have been 
accorded specific rank, have been published; they pass insensibly into one 
another and cannot be easily or satisfactorily defined; the species as here 
treated includes: 
C. douglasii Clem. and Clem., C. elegans Greene, C. glaucus Nels., OC. humilis 
Greene, C. latifolius (Haton) Rydb., C. linifolius Greene, C. marianus Rydb., 
C. pumilus Nutt., C. serrulatus Rydb., C. stenolepis Rydb. 
This species also contains rubber, the highest content being found in forms 
inhabiting alkali soils. 
All forms are browsed to a limited extent by sheep and cattle, except where 
other feed is fairly plentiful. 
Chrysothamnus vulcanicus, see Chrysothamnus parryi. 
Chrysothamnus wyomingensis, see Chrysothamnus parryi. 
Cissus ampelopsis Pers. 3 Heartleaf ampelopsis. 
Ampelopsis cordata, Michx. 
Range: 19:20; 22. 25, 27, 28, 29, 30: 
Site: Well-drained, moist, shade. 
Fruit: Berry, available August—November. 
A rapid-growing vine; flowers May-June; berry inedible; produces a great 
deal of cover; propagated by seeds sown after stratification; 9,600 seeds per 
pound. 
Stomach records: Three species of birds, including bobwhite. Observations: 
A favorite fruit of brown thrasher, wood thrush, and flicker. 
Cissus arborea (L.) Des Moul. (pl. 9, B). Peppervine. 
C. stans Pers., Ampelopsis arborea (l.) Rusby. 
Range: 17, 20, 25, 27, 28, 29, 30. 
Site: Dry, well-drained, moist, sun. 
Fruit: Berry, available September—November. 
A slender, bushy vine; ordinarily occurs in rich soil; flowers June—July ; will 
grow under most difficult conditions; has been noted as common along roads 
and railroads in Alabama, 
