UNIVERSITY STUDIES 
“Vor. XVII JANUARY 10917 No. 1 
A STUDY OF THE VEGETATION OF SOUTHEASTERN 
WASHINGTON AND ADJACENT IDAHO 
BY J. E. WEAVER 
TABLE OF CONTENTS 
Pace 
USS Cy 8 Sead Pet SE A ee ee eee ee 2 
Rei ieaniGde pPOSIMO OL VATGAs acav's eas sels. 0% «stoves « fA ae Set OM CO a 4 
Puvsigerapiie- repions and ‘GeOlogy |. onc. des cscs desaaseecedavenes 4 
RUE OPC EAN eh oe oP crepe nt dale = <inistis aa alveoli ae Niee Ren pape s aves 6 
Bear eee rat ANU ONAN AIEES a a Suara teas shel Zid tiled le ¥ gwiR Sip wi 0 8 26d wn vi 8 
estan met ait—winew CONGIMOMS! 1.1. ar eiyc cielc cette cieteiel- satis wrsicie woe omen. 8 12 
Pemerat VERCTaiOtial -CIStHIDUTIOM 05.5.0. 22. eevee cert ewseegre eas Pee he 
Oiiimesob developmental SELleS f4.te. ciar eccrine eis aclostag eee dss 19 
Evaporation and soil moisture in relation to succession ............. 21 
Baw femiperatare I Telation {0 SHECESSION: < oo osotc ee se seehe acess 37 
ery ME TiewMAiNiS LOPINATION. “cco s\e's bic ang ate 22% oh awies Ames Se Fee aaa Wn p's 40 
PIASOPUFOR=PLSIUCM ASSOCIAMOM, am ianineas on dh eo 4 fide ve nd eee cae ters 40 
IAS TECH A COMSOCIALIONIN © oes al eres leceiele) alors ale, wlcleiaiors clare eibecatensreie isis 42 
PAOD VEG s CONSOC PATINA Yancy ivi viclameisie+ este se viv nig Cp mh ieie's Wein we og 59 
Ruizocarpon-Lectdee GsSOCies 5. ar. da Soe he ee ish pele wid ele 63 
Gyrophora-Parmehia asBOcieS svc 6.) ice cite ee ete die let non 65 
CHMAG=TOFIGIE, ASBOCIES: ook nica ae wiels octacwn sions tie viele s 65 
Pogo lyGOMWNATASSOCIES) ois ais «tera ler irie's 6 ie e'a e'ofe eucyeayoele's 66 
SRIEMCeSELLISCHII EO nia TION a aan ct sie e nant lata niche! eioidieid oust cTeisiejaccus is cvslste 71 
PAL eMart MEE ASSOCIANION (6. casa ds ace ad sve ewigins eye eee ge ga 
PAK CSV ACOMSOLIATIONN Union a cierelerseerate Seok dia Sisip altiais o> sic 72 
Pities Paces Coast forest LOnMAIOMG, 2. cickelcice © <ersicwis «eis shes Woaie oicfe w.alerase 73 
UREA LCD ARC TRRICMM os ol wialtes ot & shige 05g 5's SiaiShckn wa w swe neces a gs 74 
Symphoricarpos-Opulaster asSSOCI€S ...........cceeeenees 75 
TAN AES= ASPMLILOUSUOM @ASSOCIESI le oicieeierais 6) wlcin eiaicteiaieisls 1s 4 siaiss 78 
WaRSE AYRES ASSOCIGS 111. ui. Sabine ccc cs ge eeldene eee nvns 83 
SRCMEN ER CEE Det EMMA avis bit yaa Gia nie lyin, bahaleiwre,ct as ie a Glee dlegue oss ale 88 
