(ull/IKU AND ItOrtK — NoUTH AMKWK'AN I'MMKLLIKKUAK. 1 7.'l 



Ijlict'iil 



'> int'tt'i- 

 m7. .Imp 



('(nuit\ , 

 I SIC. 



lillji' till' 

 the uiti 

 ivolucfl- 

 |)('(lic('l> 

 nir. with 



ll'Sill illlll 



I) on till- 



ii»7; " ffiiii 



vcs willi 



|() l!ir<i'»'i'. 



iiiciit-; 



oIjIoul:. 



1. ncithrr 



//. a: 



llSTri; lu'.ir 



flS. 



oiiLidex, 

 Is exceed- 



Nij- tlu' I<'iiv«»s. jr|uln-»Mis; l('uv«'s witli iiiirrow iunl clnnnaicd (till li lie, tlu' 

 iiiiill |)iiinti< (listiiiil. I'itlit'i- siiii|)|t' III- |)iiiii!it('ly div idi-d into -<li«>i't iiiii' 



i..\v M'ymfiil>; imdH'l willi I'rw \ci\ iiiit'(|(ial rays, mid iii\ oliictds of 

 iiit'iir «»!• Mj'tiiccoiis liriK'tli'ts; rays t'loiii in-arly wiintiiiy tt» I cin. lonj^;; 



|iidi(('ls iiiH'i|iml. I'loiii iirarly waiitiiit;' to ."• iiiiii. lono'; lluwi-rs yellow; 



iMiit iiaiTowly ohioiiy, I to <1 mill, loiin'. with iatci'al wiiiys al»oiil lialt' 



;i- lifoad us body, and narrower doi'sal and inlt'rmcdiiitc wiiiys or rilis; 



i.il tubes ;'. to .*> in tilt' iiiter\als. about s on tlie coiiiniissiiral si<|t'. 

 Tyiic locality. " J'aliMide. Nivadu;"" rollrctcd by .)/. I\. .loins, .iinie 



II. Iss-J; ty|)<' in Ilei'b. ,Ion»'s, rrayincnt in l'. S. Nut. Ilcib, 

 I'roni Nevada to Idaho and eastern Oreo-on. 



Sj,i ciiiii iix i'.riliniiiiil: 



(>ni;<i<i\: (Tiffs (if Steins Mcimitiiiiis, ('ii.iirk !:.'■').'), .biiic, ISM."), ami same statinii, 



iin. I'.ilt."). .Inly », IS'.IS; Alvnnl |)esert, /,«■//» 77/ '.ML'il. .hiiic ;!(i, |s!)t;. 

 Immhi: Sliosliuiie I'alls, I'lilnur 10), .liiiic 1, IS!K!; same statieii, llriiihrniiii I.Mt", 



.bily L'."), iS!i7. 

 Nkvaiia: Type s|ie(iiiieiis as citi'd ntider type Ideality. 

 The .tunes plant from Soila Sprin^ts, Cal., assuciati'il witli tliis species, is pmliahly 

 j.i lie I'efeireil to /'. cilli/oniii'ii. 



ti Pteryxia calcarea (.loiies) ('. iSc R. 



( 'lliiiiiptirii.i I'lilriiriiis ,]it\\i'-i, Conlr. ti> Western llntany iin. S: .'i'J. ISits. 



Short caulescent, jucivinef rise to u tut't of leaves and lonyer jiediiiKdes 

 (iMcasionally bearine- a small leaf); leaves with the ultimate di\ isioiis 

 linear; jx'duncles ri'uchiiie- a heieht of 2 toil dm.; umbel of une(|ual 

 lays, no iiivoluci'e, and iiiNolucels of small linear bract lets; rays 1 to 

 :')..') cm. lone-; pedicids 2 to 4 mm. lone-; Howers ytdlow ; fruit oblone-, 

 tl to 7 mm. lone-, the dorsal and internu'diate wines sometimes reduced 

 in bi-eadth; oil tul)es 'A to .■) in the intervals, (> or more on the c-oin- 

 mi^ural side; st>ed face with Itroad and shallow concav ity. I)ut in im- 

 mature specimens sometimes appearine- |)laiie. 



Type locality, "(ireeii Ki\er, Wyoiuine-;" collected l)y .lums. .luno 

 •l'-\. iS'.Mi; type specimen in 1 lerl). .lones. duplicate in V . S. Nat. lieib. 



Southwestern W\'ondne- to eastern Nevuchi and Oreyfoii. 



•^/" 'iiiii'ii.i I'.iiiiiiliK'il: 



\\''ll)^u^•(l: Neat- Fort I'ri(ly;er, I'orlrr, .Inly S, ISTH (distriWnteil as <'iiiiii>/ilfi'iis 

 j'lit'iiicit/ficciis); La liar^ie, t'inta ('miiity, Slrniixnii, .Imie L'l, lS!t4; (in-eii 

 rJiver, Jonrx, .Tune 2:>, I8!t(); I'eint of ivocks, Xi'l.inii ;Uls;'>, .Imie, l.SSt?; (!oke- 

 ville, t'inta County, \rlsoii M'A'A, .tune II, ISitS. 



Itaii: Detroit, .hnicx, .lune, ISiU. 



\i:vai)a: Diiteli Mountain, Jdiifx, .Imie ll.', ISitl. 



<»i;K(ioN: Ahonl De.scrt, Liihrnj '24'2(}, .]\mv :\^\ IS<»(1. 



7. Pteryxia albiflora Nutt. in Torr. di (rray Fl. 1: (J^f). 1840. 



('i/iiiiipliriis alliijloriis Ti^rr. i^:(ti'ay l-'l. 1: (ll'-'i. 1S40. 



Low. v(M-y leafy at base; leaves palo. the ultimate sogfmonts divari- 

 I'iil ■ and often 3-(deft, short, acute; ]KHluncl(\s shMider. more or less 

 fipicudino-, 1 to 1.5 dm. hie-h. considerably longer than the leaves; um- 



