I" 



22 CONTKimTloNH KKu.M TIIK NATIONAL HKKHAUIIM. 



on. rniKs ihstinct. 



i'Ulir ftiHtlNl.l.V H.AITKNKII 1 m »|U« \ l,l-Y, witll hlllTuI IlltW lll(»r«' lir ll'HM itrniiil- 



iifiitly Hiii^*-<|. 

 Oil tubes solitary in th« intorvaU. 

 Stylii|)iMliiiiii ('iiiiiral. 



SU'iiilcr iiikI jrlalimiiM Oxypolis, li»i.'. 



Stunt ami |iulN>Hi-ciit, at Ifunt in the ninlifl. 



L-avfH itnn- iir twice pinnate Sphenosciadium, I'JT. 



l^iivi'H laixt' aM<l ti-rnatfly i-iini|Maiiiil Hurauleum, 'JtH. 



Styln|HHliiini tint i>r wanting. 

 CanirHrt'nt uml ItrancliinK. 

 I'liiwcrn wliitc. 

 Sli'Miler; Icavt'H |iiruiat(-ly illHwcltHl; dorHitl rilw (liil'orni. 



Lateral v\int.'r< tliirk ami pruiniiient; Tt'xun. . . .Eurytaenia, 1'J<I. 



Lateral wiiiyn narrow ; introiliK'ed 1 //////«//(, L'V). 



Stniit, leaven ternately or pinimtcly eiini|H>iiti<l; ilontil rilm pmnii- 



nent Ang^elica, l.'»l!. 



l''l(i\\ers yelliiw. 



Doi^al riliH prominent l,irii>tlrinii, '2!Sry. 



|)or>'al ril>s llliforin I'liMlliinrn, 255. 



Acaiile.^eent, or nearly no. 

 Stylopotlinin waiitinj^; ealyx U'eth minute or oltHolete; tlorwil rilm 

 tiliforni. 

 Leave.'' ternate to dinHeeteil, with narrow or Hmall lealletn. 



Lomatium, 204. 

 I<<>uveH once or twice com]>*>iin(l, with hroad ami sharply tootlu'd 



Icallets Euryptera, '2MI 



Stylopoiliinn tlat hut evident; calyx teeth evident; doival riliH .•jjiarp 



fir winp'd Cynomarathrum, 2U. 



Oil tubes more than one in the intervals. 

 Caniencent and liranchin^. 



Dorsal rihs ohsolete; lateraln eorky-thickened; llowerH yellow. 



Polytaenia, UM. 

 Dorsal rilts pronnnent; laterals not corky-thickened; (lowers white. 

 Leaves ternately or pinnately compound. 

 Ix^aves once tcTiiate, w ith hroud, stalked sepnentn. 



Iiiipcnilorid, L'55. 



Ixiaves more than once ternate or piimate Angelica, I5;{. 



Leaves much more eompiamde<l Conioselinum, 14!». 



Acaulcscent or nearly so. 

 iiiiteral win^s thin. 

 StyloiMidium wanting;; calyx teeth minute or ohsolete; dorsal rihs 

 tiliforni. 

 I.rt'aves ternute t<» disseeteil, with narrow or small lealiets. 



Lomatium, 204. 

 Ix>aveH once or twice compound, with broad and sharply toothed 



leaflets Euryptera, 240. 



8tylopodium flat but evitlent; calyx teeth evident; dorsal ribs sharp 



or w in);e<l Cynomarathrum, 244. 



I.iJiteral winjrs thick. 



Dorsal ribs vi'ry jirominent or slightly win^fed. 



Pseudocymopterus, 187. 

 Dorsal ribs filiform. 



Dwarf, with small junnate or lobed leaves Cymopterus, 170. 



Tall and stout, with large [>innately decompound leaves. 



Leptotaenia, HHi. 



I 



