70 



CONTUIHUTIONS FlloM TMK NATIONAL lIKltHAlUUM. 



Viils (iiiidcr the siM-oiidiirv ril>s), '2 on the commissiii'iil sido. Sood face 

 deeply sulesite. 



Mostly hispid anniiids (ours), with piimat(>ly dissected leaves (with 

 veiv small seo-mcMits) and white (lowers, 'I'lie pi'imarv lateral ribs are 

 pushed around upon the connuissural Uivv. luaUin^'a vei'v narrow eoni- 

 luissure. while the adjoining" secondary ril)s hecouie inar<i'inal. ( 'losely 

 resend)les I)(i>iciix. 



The tirst species cited hy Linna'us is ('. <jniii(l[lhn'(t. which has 

 pi'oved to he a Didirnx^ the second species cited is V. dancoUis^ a true 



( 'iiuctiUx. 



A <i'roup of 5 species, as restricted l»y Drude, hut one of wiiich is 

 native in the Western llenilsphere. 



1. Caucalis microcarpa Hook. vSc Arn. Hot. lieechey, JUS. 1S4<>. 



Fk;. S. 



Krect. slendei'. T..') to Im..") cm. hin'h. more or less hispid and some- 

 times (••lahrate; leaves uuich dissected; luuhels at the (mkIs of stem and 

 lu'anches. vei'y unecpially ;> to (>-rayed, with involuci'c of foliaceous 

 di\i(h'd bracts, and involucels of (Mitire or somewhat divide(l bractlets; 

 rays slendei-. T.T) cm. oi- less lono-; pedicels very une(|ual: fruit obIon<i'. 

 4- to <) nun. loiiii'. ai'ined with rows of hooked i)rickles; the primary 

 lateral ril)s near mai'^in of connuissural face. 



Type locality, California: collected t>y Ihnighis. 



From Washino-ton and Idaho to soutlu'rn Ctdifornia and Arizona, 

 and extending- into Mexico. 



S/)i'<'(iiii'iis I'.itiiiKiii'il: 



Washincion: Klickitat ('(lUiity. Suki^dorf U), Jinu' l.lSSl; near Pullinan, Wliit- 



iiiaii ('i)iiiity, Ufiiilirsnii l.'JKi, .Iiiiic, IS!»L'; Wawawai, Whitman ('(jiuity, J'i/'ir, 



May 1!>, IS94; «iinc statimi, Elnief SY,\, May, iS!l7. 

 1 DAiKi: N'cz Pcrci'H ("duiity, Sinnlhrri/ li'JS, .luiic Ki, hS!)!', same Htati(jn, .1. .1. i(' /■,'. 



(irrlriKlr Ihlhr'.WM, May I'O, IS!l(). 

 OuiCdiiN: .lolui Day Valley, Nnin-U, May, 1SS5. 

 ('Ai,n-()i!N'iA: IHi/iiiiir/w) i,sr):5-ri4; llDltnuIrr W.)\\\n 1S(>(); KcUor/i/ ({• Harford 1H>0, 



ill iS()S-()it; near Los Aii<:i'li'.<, l/nssr, Aju'li, ISSS ami iSiU; Oaklaml Hills. 



LiiiniKiii i\'l, ill liSSit; near San Dicjjfd, Ornil/: Little ( 'iiico Cauynii, .)//■.•<. Ilrm; 



(iit. May. IS'Kl; Santa ("a.talina Island, lihinrl,, Tnixk, .ALircli, lS!t7; Nnrtli 



iMirk (if San (lalnicl River, altitude .ViO meters, /,<//»/7/ ;{:!!»S, May lU, ISitS. 

 Nkvada: MicaSprimr, altitude 1,L'0() meters, .l<n(ls:^(W^, Ajiril i;5-14, JS94. 

 ('•I'Aii: Silver |{eef, altitude 1, ().')() meters, .hnicn 'A{\:\, ^Lly 4, LS!)4. 

 Aui/i>na: Tliimili liutle, I'rescott, Rnsliii, May 'JX, LSS."!; Sierra Tucson, I'riiKjh. 



April 15, ISS4; near Tuesoii, Tuinnrii li»4, A|)ril ll.', i«!»2; riL'rou'H Spring'. 



altituiie 4:)() meters, ./o//,'.s 5077, April IS, KS!>4. 



For introduced species see paj^e 2.")2. 



9. BIFORA llodiu. rml). (Jen. ed. 2. litl. ISKI. 



Calyx teeth evident. Fruit broader than lon«jf, flattened laterally, 

 the globose carpels in contact only iiy a narrow connuissure. Carpel 



4 



