ron.TKK AND UusK NoKTM AMKKICAN I'MHKM-IKKUAK. 



W 



CollctJi', 



lips to !"■ 



,11. Til.' 



•H of I'niit 



lllC lltlllT 



liar. (Mir 



IlllllCUtlt'l 



CicutA maculata angustifolia Hook. I'l. Moi. Am. 1: J.Mi. In:'>I. 

 Ivjn' loralilN. "on the Saskatrhtiwiiri." 



We lmv«' mt'ii iiM I iillinitinilly iiaiiM-il ><|NMiiiiciiH nf tliin \iiri«>ty. It \s |NTliii|tH 

 lint a viiricty of r. iiinnilntii, hut Hhniihl ri'iiiaiii In-rr until |irii|HTly diMiHiMMl nf. To 

 tlii." \ariity |«Tlia|>H yliuiiM he rt'fiTrc<l tlir i'lniin with vi-ry narrow Iravi'H rolU-rti'tl 

 ill |.s",t!» liy WiiliaiiiH <>ii tlii' Ynkiin. 



7. Cicuta occidentalis (iiTnir, I'itlonia 2: 7. Iss'.t. 



Sloiil. ;• to Is dm. Iiiirli: rootstock short, yiviiij,' rise to .slrndri' i-oots 

 altovt'. and a tascich' of thick and rloiipitrd ones lu'hiw: h-avcs twicj' 

 piiinatr: l*-afl«>l.s fi'oin lincar-lanccolatc to hiiic(>olut<>, r> to <s <-m. I<*ti^, 

 .shai'pl.v .-icrfatc and coiisplciioiisly fctiridatr Ix'ticath; fruit oldoiij'', 

 :'•< mm. loiijr. coiiHtfictcd at the <'ommissmT, thr fil>.s appfoximatt'ly 

 n|iial ill .•'iii'facc display (laterals laiycst in srction). the intervals 

 hidud: oil tiilx's lar;.'')'. 



Typt' lorality. 'I'rinidad. Colo.. '* near the New Mrxiran line;" •"••I- 

 It'ctvd Ity ///V7;/<', .Jidy 17, i.ss!»; type in I Irrh. (ii'ri'nt', duplicate in 

 r. S. Nat. Ilerli. 



In the K(»cky Mountain region, from the Hlack Hills of South 

 l>akota to Idaho, and southward through Colorado and northern 

 Nevada to New Mexico. 



.V/»i'(//((7(« I'.iiniiiiint : 



SdiTii 1).\K(>T.\: I'ieil t aii<l Little Klk Crtik. IMaek Ililln, allitiule 1,:.'(K) 



meters, liiiillinij 7_';{, June 28, 1HH2; near l-urest City, arifiilhn A- MilitHxir, 

 Sc|.leinlier ,{. IS<»2. 

 Nkiii<.\sk.\: On Middle hoiip liiver, near Mullen, Hooker County, Saml lliilii 



region, Jiififhrn/ Hitl. .Fuly L'ti, mvA. 

 WvoMiMi: Hanks of Snake Uiver, l-nriii)i,il, .\unust ir>, IHHl; Meadow Creek, 

 XilsDii 7!H), Aiij,'iist !i, lH't4; lone lianch, Xclmm I.'mT, Aiij;u.-t 1(», isi),'); I pper 

 Madison Canyon, Yellowstone I'ark, HijiUKrij 4«)11, .Vunust IJ, 1897; Snaki- 

 Itiver, Yellowstone I'ark, .1. .(• K. .V/ /«<»// (>.'»»).•), \n\i\iA 20, 1K1«». 

 Mont.a.na: CoFuniliia Kails, iri7/(((/yi.y iST"), Septemk-r 12, 1H!)2. 

 li.Aiio: Hlackfoot, /'((/(/in- 20K, July 8, 18»:}. 



.Nkv.M).\: Spring' Valley, altitude 1,.H(M) nieti-rs, W'ohim 441, Sepleniher, 1HH8. 

 IrAii: Near Salt Lake City, altitude l,2i»() meters, Jinirx KMK), Au^'iist IH, IHKO; 



Sprin^'ville, altitude l,;ir>0 meters, .Iuuih 'tiWh, AuKU.''t 11, 18!I4. 

 Coi.oK.MKi: Trinida<l, VW/c// ;{8, ,Iune 8, 188"; same station, dvnin , ,]\\\y 17, 1SHJ> 

 (tyiH'); lU'ar Cn-ek, near Morrison, Oirfin-, .Inly 2S, 18H5I; eollej.'e jjrounds, 

 State Aurieultural Colle^*-, Huffitni 28(i, August '>, 18!»(1; Ih.trlikiss, Delta 

 County, altitude 1,(»50 meters, Co»r/i, .lunt' 215, 18!t2; Fort Collins, altitude 

 I, .">()() meters, Co/m*, .Inly, IHlt:! au<l IHll.-.. 

 Nkw .Mk.mco: La.M Vefras, (i. li. Vuxiij, .Iiily ISSl; Santa I'e, altitude 2. ItiO 

 meters, .1. .1. lO H. (iertrmlf Ihllir :{S14, July '), 1S!I7; in tlie White Moun- 

 tains, Liiu'oln County, altitude l,8!l() meters. Woiiliin 2:(;i, .luly 2S, lS!t7. 

 As defined ahove, C. orculniUiJlx j)resents ennHisteut cliaraeters and p'ojjrapiiical 

 dlHtriljution. Certain outlying: forms, however, if referred here, would eousiderahly 

 t'Ntend the range and modify the Hj)e(itie limitations. Our material is iusulHcient to 

 justify us in sejirejrating these forms, hut we present tlu'in as follows: 



I I) A Californian form, calU-d /■();-;/i(//r«?('/o.'«( liy Professor (ireene, and oft«'ii eon- 

 fii-id with C. hdhitiilcn, has leaHets whieli are nuieh larger (U'eoniing 10 em. long) 

 and more eoarselv toothed. 



