NATIVE ^VOODY PLANTS OF THE UNITED STATES 
239 
Ribes wolfii Rothr. Rothrock currant. 
R. mogoUonicmn Greene. 
Range: 13, 14. 
Site: Well-drained, moist, sun. 
Fruit: Berry, available in August. 
A small to large shrub. Fairly good cattle browse in Utah. 
Eicinella vaseyi (Coult.) Coult. and Fish. 
Adelia vaseyi Coult. 
Range: 17. 
Site: Dry, sun. 
Fruit: Capsule. 
A small to large dioecious shrub ; sometimes spiny ; leaves few. 
Ricinopliyilum liorridum, see Oplopcmax lio^^ridmn. 
Rlcinus communis L. Castor-bean. 
Range: 3, 5, 10, 17, 20, 30. 
Site: Well-drained, sun. 
Fruit: Capsule, available August-September. 
A large shrub or rarely a small tree; probably introduced from Africa, but 
more or less naturalized in the regions indicated ; herbaceous, and not escaping 
northwards. 
Stomach records: Bobwhite, mourning dove. 
Eiddelia cooperi, see Psilostrophe cooperi. 
Eoblnia spp. Locusts. 
Stomach records (in addition to specific records) : Seven species of birds 
including ruffed grouse, bobwhite, western quail, and mourning dove. 
Robinia boyntonii Ashe. 
R. hispida rosea Hort. 
Range: 27. 
Site: Well-drained, sun. 
Fruit: Legume. 
A large shrub or rarely a large tree ; flowers May-June ; probably does not 
produce fruit ; very handsome when in flower. 
Robinia elliottii (Chapm.) Ashe. 
R. hispida elliottii Chapm. 
Range: 28, 29, 30. 
Site : Dry, well-drained, sun. 
Fruit: Legume. 
A large, spiny shrub ; flowers May-June ; occurs on sandy and other soils. 
Robinia fertilis Ashe. 
Range: 27. 
Site : Well-drained, sun. 
Fruit: Legume. 
A small to large, stoloniferous shrub ; fruit freely produced ; spiny or unarmed. 
Robinia grandiflora Ashe. 
Range: 27. 
Site : Well-drained, sun. 
Fruit : Legume, available in Julj''. 
A small to large shrub ; flowers April-May ; rarely spiny ; easily propagated by 
root suckers which are extensively produced ; occurs in sandy and other soils. 
Robinia hartwigii Koehne. 
R. viscosa hartwigii (Koehne) Ashe. 
Range : 27, 28, 
Site: Y^ell-drained, sun. 
Fruit: Legume. 
A large, spiny shrub ; flowers in June. 
Robinia hispida L. Rose-acacia. 
Range : 25, 27, 28. 
Site: Dry, well-drained, moist, sun, shade. 
Fruit : Legume, available in September. 
A small to large, stoloniferous shrub ; spiny, or more commonly unarmed ; 
foliage not dense ; tolerant of arid conditions ; commonly produces little fruit ; 
propagates extensively by suckering. 
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