nU'l.TKU AND UmSK — NoUTII AMKHKAN IMHKF.I.IKKUA i:. ISf) 



rl» lilt 

 ill till 



I. .1. A 



lllcl .lull' 

 111, ■I'll" ■ 



1). .Inlli V 



llftH. 



lull). '•"• 

 iicly :'. to 



iiicist'il; 

 |i-|)icii<»iis 

 |l.nictltM>; 



U liltclill 



(lil till"- 



I'o: iioiili- 

 //(/ ty\)e 





Icr iiiatiTud 

 lliati' ril'r'is 

 lit win^s oil 

 Xiixil breaks 



Kio. .M — ('vtiKHiliTii"' liijilc|(Ki|s: 11. h. X «. 



.*> CymopteruB lapidosus .Imics. ("oiitril*. >\'('si('iii Hutiiiiv no. S'.'M. 

 l.v.'^. I'm. :»4. 



I'liiriihiniiiii lii/iiilii/iiiiii .Ifiiu'H, /iM- 2 : '_'•<>. isiil. 



( iliilit'oiis; Inivrs and |m>(|iiiicI<>> lioiiic in u rliis|t>i' ut llic siiiniiiit of 

 II iiiorr oi- less cloiiKiiicd suhtcri'aiH'iiii stem iirisiiijjf Ifoiii a Umi>; 

 liiiiiK'liiny root; lra\»'s ."• to 

 I" fill. loii<i', piiiiialc to lii 

 I'liiMiiti'. the |)iiiiiMi> rather 

 ( Mwdcd. ovate, lower ones 

 incised, iipjier ones entire; 

 |M 'llineles soinetlllies slioi'ter 

 I liiii the h'a\('s, oi" hee(»niin;i" 

 1.1 t(t "J em. hie'h. hearing' n 

 ii'iiilv e(|iially rayed iiiiiliei. 

 with iinohieels of several 

 linear luaetlets; rays I t<» '2 

 <ni. lon<i': pedieids I iiiiii. 

 luny: Mowers white; fruit 

 iilijdiiii'. elaltroiis, <1 to 7 mm. 

 Iniii^'. "J to "J..") mm. hroad, 

 with winefs half as Itroad v < 

 liKily or less, and prominent 

 dorsal and intermediate ril»s 

 (iiiMie or less winyecl); oil tidies sevei-al in the intervids. 



Type locality not ei\,.n. luit lahel states •" Keho City. Summit 

 ("Uiity. rtah;" eolleeted l»y .A///< .v. May T. Is'.Mi; type in lleih. .lones, 

 ihiplieate in l'. S. Nat. llerli. 



Northwest(>rn I'tah and a(lja«ent Wyominj^'. 



Sji, riiiiillX I Xltlllilllll : 



( I am: Tyjii' s|H'('niii>ii.>< as cited under type locality. 

 W^oMiNo: (Iranircr, Sweetwater Cnniity, Jdihs, .Tune 24. l.*^9(). 

 Mr. . I lilies (lescrilics tiiis .species as "a <lelicate, lieavy-scenteil plant, t;rowin)jr under 

 Tdi ks like I'rrns, spreading Hat mi tiie jrr mnd, nr erect in iiKue expused situatioii.x." 

 The reiatiiHisliip III' this species is \i'iy (Idiilitl'iil, ami until it lias lieeii ninrecjire- 

 liilly stiulied it must iHMiiain under ''////(<;/;/( ci/.s, alt In m^'li it is nut cun^reiu'ric w itli 

 iIiimImivc species. It may represt'Ut a new treiieric type. 



( 'i/niojtf, riis iiii'dll.s Watson is a poorly known species. For a state- 

 ment coiu'orniiie- it. .see under I's, iiili>cii,,iiij>f, rn.^i. 



53. RHYSOPTERUS ( ". c^ K.. ee„. „„v. 



Calyx t<M*tii evident. Fruit tiattened latendly. nearly orbieidar in 

 'lUiMne. elahrous. C'arpel flattened dor.sally. boat shiiped (maii»ins 

 and ends incurved), with .'> eipial prominent corky ohtu.se rilis. which 

 lue wine- like and very much wrinkled when youne-. Carpoiihore 

 waiitinj;;' (iit least not showine' in ripe fruit). Stylopodiuiu wanting". 

 Oil tubes small, solitary in the intervals. '2 on the coinmis.surul sid*^ 

 SiH I bout-shaped, with a brosid tuid deep sulcus. 



