352 MISC. PUBLICATION 303, U. 
S. DEPT. OF AGRICULTURE 
Rose-acacia {Robinia lispida). 
Eosebay, {Rhododendron maximum ) . 
Lapland {Rhododendroti lapponicum). 
Mountain (Rhododendron cataic- 
hiense). 
Rosebay rhododendron (Rhododendron 
maximum ) . 
Rosemary [Ceratiola, ericoides). 
pine (Pinus taeda). 
willow (Salix petiolaris). 
Roses (Rosa spp.). 
Rosin brush (Baccharis sarothroides) . 
Rothrock, 
curr'ant (Rides loolfii). 
pentstemon (Pentstemon rothrockii). 
Rough arrowwood (Vidurnum scal)rel- 
lum) . 
Roughish arrowwood (Viiunuim sca- 
hrelhan). 
Roughleaf, 
cornel (Cornus asperifolia) . 
manzanita (Arctostaphylos drupa- 
cea). 
Rough-leaved, 
cornel (Cornus asperifolia, 
Cornus circinata) . 
dogwood (Cornus asperifolia). 
Round - flowered catclaw (Acacia 
roemeriana) . 
Roundleaf, 
gooseberry (Rides rotundifolium) . 
grape (Vitis helleri). 
snowberry (Symphoricarpos rotundi- 
folius). 
Rubber rabbitbrush (Chrpsothamnus 
nauseosus). 
Rum cherry (Prunus serotina). 
Running, 
oak (Quercus pumila). 
strawberrybush (Evonymus obova- 
tus). 
Russet, 
alder (Alnus crispa) . 
buffaloberry (Shepherdia canaden- 
sis). 
Russian-olive (Elaeagnus angustifolia) . 
Rusty, 
blackhaw (Vibumum rufidulum) . 
nannyberry (Viburnum rufidulum). 
Rustyleaf (Menziesia ferruginea) . 
Rydberg, 
oak (Quercus rydbergiana) . 
poplar (Populus acuminata). 
Sabine pine (Pinus sabiyiiana). 
Sacred mustard (Nicotiana glauca). 
Sadler oak (Quercus sadleriana). 
Sage, 
Ambrosia bur (Franceria ambro- 
siodes). 
Autumn (Salvia greggii). 
Bee (Hyptis emoryi). 
Black (Artemisia arbuscula, 
Salvia m.ellifera). 
Bladder (Solazaria mexicana). 
Colorado (Artemisia trideritata) . 
Desert (Salvia carnosa). 
Sage — Continued. 
Gregg (Salvia greggii). 
Hollyleaf bur (Franceria ilicifolia). 
Little (Artemisia nova). 
Red (Trixis calif ornica) . 
Salt (Atriplex canescens) . 
Sheep (Eriogonum microthecum) . 
Shrubby blue (Salvia ballot a e flora ) . 
Water (Atriplex torreyi) . 
White (Eurotia lanata, 
Salvia apiana). 
While bee (Salvia apiana) . 
Wolly bur (Franseria erioscentra) . 
Sage willow (Salix Candida, 
Salix tristis). 
Sagebrush, 
Basin (Artemisia tridentata). 
Big (Artemisia tridentata) . 
Bigelow (Artemisia bigelovii). 
Bud (Artemisia spinescens) . 
Coastal (Artemisia calif ornica) . 
Flat (Artemisia bigelovii). 
Hoary (Artemisia cana). 
Low (Artemisia arbuscula) . 
Sand (Artem isia filifoUa ) . 
Scabland (Artemisia arbuscula, 
Artemisia rigida ) . 
Silver (Artemisia cana) . 
Small (Artemisia nova) . 
Stiff (Artemisia rigida). 
Threetip (Artemisia tripartita) . 
St.-Andrews'-cross (Ascyrum hypericoi- 
des, 
Ascyrum linifolium ) . 
St. Johnswort, shrubby (Hypericum 
prolificum ) . 
St.-Peter's-wort (Ascyrum- stan-s). 
Salad tree (Cercis canadensis). 
Salal, (Gaultheria shallon). 
berry (Gaultheria shallon). 
Saloop (Sassafras albidum). 
Salt sage (Atriplex canescens). 
Saltbush, 
Big (Atriplex lentiformis) . 
Parry (Atriplex parryi) . 
Saltcedar (Tamarix gailica) . 
San Gabriel globemallow (Malvastrum 
gabrielense) . 
Sand, 
cherry (Prunus pumila). 
grape (Vitus lincecumii, 
Vitus rupestris). 
jack (Quercus cinerea). 
pine (Pinus clausa). 
plum (Prunus texana). 
sagebrush (Artemisia fllifolia). 
scrub (Ceanothus dentatus). 
Sandbar willow (Salix exigua, 
Salix interior, 
Salix sessilifolia) . 
Sandbur (Franseria dumosa). 
Sandmat manzanita (Arctostaphylos 
pumila) . 
Sandmyrtle, box (Leiophyllum buxifo- 
lium,). 
