XXTI 



St. Peterswort. See snowberry. 

 salal (Gaulthcria shallon), BS3. 

 Salix (willow), B141. 



alba (white w.), B14L 



antygdalina (almond w.), B141. 



amygdaloides (peachleaf w.), B141. 



arguphylla (silverleaf w.), B141. 



babylonica (weeping w.), BUI. 



bebbiana (Bebb w.), B141. 



caudata (tailleaf w.), B141. 



discolor (pussy w.), B14L 



eastwoodiae (Eastwood w.). B14L 



exigua (narrowleaf w.), B141. 



fragilis (brittle w.), B141. 



glaucops (blueback w.), B14L 



laevigata (red w.), Bill. 



lasiandra (western black w.), H'41. 



lasiolepis (arroyo w.), B141. 



lemmoni (Lcmmon w.), BUI. 



melanopsis (dusky w.), 13141. 



monochroma (greensides w.), BUI. 



nigra (black w.), BUI. 



nuttallii. See S. scouleriana. 



petrophila (alpine willow), HI 41. 



pseudomyrsinites (firmleaf w.), BUI. 



purpurea (purple w.), B14L 



saximontana (summit w.), B141. 



scouleriana (Scouler w.), BUI. 



sitchensis (satin w.). BUI. 



subcoerulea (blue w.), BUI. 

 sallon. See salal. 

 sally, blooming. See fireweed. 

 salmonberry (Rubus spectabilis), HI 10. 

 salmonberry. See thimbleberry. 

 Salsola 



kali (kali), W165. 



kali tenuifolia. See S. pestifer. 



"kali tragus" (of U. S. authors, not L.). See 

 S. pestifer. 



pestifer (Russian- thistle), W165. 



tragus. See S. kali. 



"tragus" (of U. S. authors, not L.). See S. 



pestifer. 

 saltbush (A triplex) 



fourwing (A. canescens), B27. 



spiny. See shadscale. 

 saltgrass, flnetop. See sacaton, alkali. 

 saltsage. See shadscale. 

 Sambucus (elder) 



caerulea (blueberry e.), B143. 



caerulea arizonica (Arizona e.), BUS. 



caerulea neomexicana. See S. neomexicana. 



caerulea velutina. See S. velutina. 



glauca. See S. caerulea. 



glauca arizonica. See S. caerulea arizonica. 



glauca neomexicana. See S. neomexicana. 



melanocarpa (blackhead elder), BL4o. 



microbotrys (bunchberry e.), B145. 



neomexicana (New Mexican e.), B14S. 



velutina (velvet e.), B14S. 

 Sandberg bluegrass (Poa secunda), Q1C6. 

 sandgrass, prairie (Calamovilfa longifolia), G43. 

 sandgrass. See needle-and- thread; ricograss, In- 

 dian. 



sandreed. See sandgrass, prairie. 

 sandrice. See ricegrass, Indian. 

 sand wort (Arenaria), WgO. 



bullhead (A. congesta), W20. 



thymeleaf (A.serpyllifolia), W20. 

 sarvisberry. See serviceberry. 



alderleaf. See serviceberry, common. 

 saskatoon. See serviceberry, common. 

 scabious. See horseweed. 



sweet. See wild-daisy, annual. 

 Schizachyrium. See Andropogon. 

 Schizonotus. See Sericotheca. 

 Schmaltzia. See Rhus. 



affinis. See Rhus utahensis. 



simplicifolia. See Rhus utahensis. 

 Scleropogon brevifolius (burro grass) , G71. 

 screwbean (Strombocarpa odorata), Bllt. 

 scurfpea (Psoralea), W1B7. 



silverleaf (P. argophylla), W157. 



slender (P. tenuiflora), W167. 

 scurfy shrub. See buffaloberry, russet, 

 sedge (Carex), GL1. 



beaked (C. rostrata). GL1 . 



Douglas (C. douglasii), GL1. 



elk (C. geyeri),GL6. 



sedge (Carex), GL1 Continued. 



Geyer. See elk sedge. 



hair. See threadleaf s. 



Nebraska (C. nebraskensis) , GL7. 



ovaihead (C. festivella), GL4. 



pine. See elk sedge. 



shorthair (C. exserta), OL5. 



shorthair. See threadleaf sedge. 



threadleaf (C. filifolia), GL5. 



white-bear (C. albursina), OL1. 

 seepwillow (Baccharis glutinosa), B33. 

 sego, poison-. See poison-sego. 

 sego, swamp-. See camas. 

 sego-lily (Calochortus nuttallii), W4. r >. 

 Senecio (butterweed, certain palatable westen. 

 spp.; groundsel; ragwort), W1G8. 



atriapiculatus. See S. columbianus. 



cineraria (silver cineraria), WIGS. 



( 'olumhia. See Columbia butterweed. 



columbianus (Columbia b.), \V171. 



cruentus (cineraria), W16S. 



uispar. See S. intcgerrimus. 



elegans (purple groundsel), W168. 



exaltatus. See S. integerrimus. 



filifolius. See S. longilobus. 



integerrimus (lam bstongue groundsel), W16S. 



jacobaea (ragwort), W16S. 



longilobus (threadleaf groundsel), B14C. 



lugens. See S. integerrimus. 



mikanioides (ivy groundsel;, W168. 



perplexus. See S. integerrimus. 



petasitis (velvet groundsel), W168. 



pulcher (Uruguay g.), W168. 



riddeliii (Riddell g.), W168. 



saliens. See S. triangularis. 



serra (sawtooth butterweed), W173. 



serra integriuscula, W17S. 



spartioides (broom groundsel), Bl.',6. 



triangularis (arrowleaf butterweed), W175. 



trigonophyllus. See S. triangularis. 



vulgaris (common groundsel), H^SS. 

 Sericotheca (rockspirea) 



ariaefolia. See S. discolor. 



discolor (oceanspray) , B147. 



discolor ariaefolia. See S. discolor. 



dumosa (rockspirea, bush), Bl! t 7. 

 serviceberry (Amelanchier), B1H. 



common (A. alnifolia), B12. 



mountain (A. oreophila), I'l '. 



Pacific (A. florida), Bli. 



redbud (A. rubescens), Bli. 



Utah (A. utahensi-.), /. 



western. See common serviceberry. 

 shadblow, downy (Amelanchier canadensis), Bit 

 shadblow. See serviceberry. 

 shadbush. See serviceberry. 

 shadscale (Atriplex confertifolia), B28. 

 shadscale. See saltbush, fourwing. 

 shalal. See salal. 

 shallon. See salal. 

 Shepherd ia. See Lepargyrca. 

 shoestring, devil's. See goldenpea, mountain. 

 shoneehaw. See skunkbush. 

 shrub 



buckwheat. See saltbush, fourwing. 



scurfy. See buffaloberry, russet, 

 sickletop (Pedicularis racemosa), W14%. 

 Sideranthus. See Aplopappus. 

 Sieversia paradoxa. See Fallugia paradoxa. 

 silkgrass. See needle-and-thread. 

 silktassel (Garrya), B81. 



Fremont (G. fremontii), B81. 



Goldman (G. goldmanii), B81. 



roundleaf. See tasseltrec. 



tree. See tasseltree. 



Wright (G. wrightii), B81. 



yellowleaf (G. flavescens), B81. 

 silkygrass. See ricegrass, Indian. 

 silverplant. See eriogonum, cushion; eriogonum 



sulphur. 



Simmondsia caUfornica (jojoba), B148. 

 Sisymbrium (in part). See Sophia. 



altissimum. See Norta altissima. 



incisum. See Sophia incisii. 



Sophia. See Sophia parviflora. 



tall. See tumblemustard. 

 Sitanion (squirrel tail), G107. 



anomalum. See S. hanseni. 



basalticola. See S. hystrix. 



