174 ("ONTRUU'TIONS KUOM TUK NATIONAL UKUHAUIIM. 



lu'ls with uiioqiml rays, jio iiivoliicn'. iiiid iiivoliicfls <»i' several lioear 

 l)factle(s; rays 4 to I'Jiimi. lono-: tVuiiiii!^- pedicels :'> iiiiii. loiio; ||n\\ 

 ers white: i'riiil nearly oildeular, I iiiiii. I011J4, each eai|»el with iisnalh 

 5 more or less midiilate winys. 



Type loeality, *• Hills of Hear Hiver |soiitlieni Idaho], in the Hoeky 

 Mountain ran«;e:"' collected by Sutlull; type in llerlt. IMiilad. Acad. 



In the Y(dlowstone National Park and adjacent Idaho. \\ yoMiinji'. 

 and Montana. 



Sperinn'iiK cntmhird: 



Ihaiio: Type Hpecimon." as citi'tl under lyjif locality. 



V»'y()MI.N(j: NorthwcstiTii Wyoininjj;, A'ow 5HI{, St'ptcinlii'r 7. 1S!»;5, 



Montana: Near Kc«l Lodj^e, /.'-«- 4S, .Tiily, IWK!. 

 The specinu'UH (•ollirtc<". by Hose iiiatcli exactly with Nuttall's type and with a 

 Nuttall Hpeciiiieu in the Gray Herhanuin. 



51. AULOSPERMUM ('. cVc K., o-en. nov. 

 Calyx tooth evident. Ffiiit otdonji' to oihictilaf in outline, olaltroiis. 



Ftu. .')2.— Anlospcrmnm longipps: n, h, x 8. 



Carpel with 8 to 5 usually hroiul winys, which ar<^ very thick tit inset - 

 tion or not at all, and with narrow or In'oad intervals. Stylopodiiim 

 wanting". Oil tubos .sevond in the intorvids (solitary in A. joiirsil), two 

 or more on the commissural sido. Seed not dorsidly fltittonod or but 

 .slightly .so, th(> face usually with a ntirrow and deep sulcus. 



Caulescont or acauloscont ])lants. with more or less pinnately di>^- 

 sectod leiives (or primtiry division terntite). mostly no involucre, invnl- 

 uoels of smjill narrow bractl(>ts, which tire not tit all hyaline, and 

 white, yoUow, or purple Howers. IS'ame froui avKuz^ <jroorr, and 



