CHECK-LIST 405 



Queensland Pittosporum. See Pittosporum rhombifolium. 

 2B Qiiercus acuta (Q. Buergeri). Small tree. Rare in culture. Japan, Korea. 



2B Quercus agrifolia. Shrubby tree to 50 ft. Calif. 



2B Quercus chrysoiepsis. California Live Oak. Tree to 50, rarely 100 ft. Ore. 



to Calif. 

 2B Quercus glauca (Cyclobalanopsis glauca). Tree to 45 ft. Japan. Cult. Calif. 



and South. 

 2BT Quercus Ilex. HoUy or Holm Oak. Tree to 60 ft. S. Eu. Cult. Calif. 

 2B Quercus laurifoiia. Laurel Oak. Semi-evergreen tree to 60, rarely 100 ft. 



Va. to Fla. and La. 

 2B Quercus myrsiniefolia (Q. Vibrayana). Tree to 50 ft. Japan. Successful 



South. 

 2B Quercus Suber. Cork Oak. Tree to 50 ft. S. Eu., N. Afr. Cult. South. 



Quercus virens. See Q. virginiana. 

 2B Quercus virginiana (Q. virens). Live Oak. Tree to 50, rarely 70 ft. Va. to 



Fla. west to Mex. Rapid grower. 

 2B Quillaja Saponaria. Soap-bark Tree. Chilean tree. Cult, in South and Calif. 



to 75 ft. 



2BT Raphiolepis indica (R. rubra). Indian Hawthorn. Shrub to 8 ft. S. China. 



Cult. South and Calif. 

 2BT Raphiolepis umbellata (R. japonica). Large shrub from Japan. Cult. Calif 



to 6 ft. 

 Red Bay. See Gordonia Lasianthus and Persea Borbonia. 

 Red-Berry. See Rhamnus crocea. 

 Red-Box. See Eucalyptus polyanthemos. 

 Red-Mahogany. See Eucalyptus resinifera. 

 Redwood, California. See Sequoia sempervirens. 



Note. — Rctinisporas are much used in the South. 

 Retinispora decussata (Thuja orientalis var. decussata). Dense round-headed 



bush, not quite hardy North. 

 Retinispora Ellwangeriana (Thuja occidentalis var. EUwangeriana). Tom 



Thumb Arbor-vitfe. 

 Retinispora ericoides (Chamaecyparis thyoides var. ericoides). Dense shrub. 

 Retinispora ericoides (Thuja occidentalis ericoides). Dense broadly pyram- 

 idal or round-headed bush. 

 Retinispora filicoides (Chamaecyparis obtusa var. filicoides). 

 Retinispora filifera (Chamaecyparis pisifera var. filifera). 

 Retinispora juniperoides, Carr. See R. decussata. 



Retinispora leptoclada, Hort. (Chama>c.\-paris thyoides var. andelyensis). 

 Retinispora lycopodioides (Chamaecyparis obtusa var. lycopodioides). 

 Retinispora meldensis (Thuja orientalis var. meldensis). Valuable for formal 



gardening, for rockeries, small gardens and wherever dwarf conifers are 



desired. 

 Retinispora obtusa (Chamaecyparis obtusa). 

 Retinispora pisifera (Chamaecyparis pisifera). 

 Retinispora squarrosa (Chaniipcyparis pisifera var. squarrosa). Dense, bluish 



form, best known of the juvenile foliage varieties. 

 2B Rhamnus Alaternus. Shrub or small tree to 20 ft. S. Eu. Cult. Calif. 



2B Rhamnus calif ornica (R. oleifolia). Coffee- Berry. Shrub to 15 ft. S. Ore. and 



Calif. Ariz, and New Mex. 

 2B Rhamnus crocea. Red-Berry. Shrub to 3 ft. Calif. 



