Impaticns. lU TACK/E. 3g9 



I. aiirea, Mum.. (Pu.k I'oircii-MK-NoT.) SoniitiinoH 5 .,r C fwt l.iKh. tn.«.tlv liKht emu ; 

 Icavts ofi.Mi 3 to 4 iinli.s K.iif,'. ni.,«tly ,-x<-,-.-.linK tlu-ir pi-li..l..H, ,m,Jit l--li.w. *lli|Mir»l. 

 coarsely creiiatf-.^erriit.-. r.iiiii.l.-d or a.iiie at l.iw.-. tlic- a|H.x un.l lu.iiit. t«^th .«-ciij.iui,«lU 

 niiUTouate: bract.s .ivalo. acute : llowern rather lar^.-. pale \ell..w. u^uallv liill.- iii.Htl«I, i-x- 

 ceptioiially pinkish or white: tho wiceato sepal l.n.a.lly coni.al. N-an-.-lv 'l..i.j;er thiui l.n^d, 

 its slender spur short (2 to 3 lines in length), ahrupt.'refrarte.l at I.jom-.' tin- end nut. h.-<l — 

 Cat. 2fi. /. iHtllidu, Xutt. (mmi. i. UG; 'lorr. & (imy, FI. i. I'liH ; TnlejiM-, 1. c 9».— Caiuwla 

 to the Saskatchewan, south to Kansjw an<l North Carolina ; also in <»r<'jfon. Lt/all. 



I. bifldra, Wai.t. (Si-ottkd T<.I(1i-mk-n()T.) Tw.. to four feet hi>,'h, Momewhat oraiKP- 

 ur purple-tinted and a little f,'lau(on.s : leaves sinallir, u.^nally 2 or 3 ih« h«-« l,.nj,' (.hmU 

 narrow: Howers oranpe or occiusinnally i)inkish, usually copiously mottled with n-d.|ij,h 

 brown : the saccate sepal evidently lonp-r than l)r<iad, its slender spur lonj,' (4 u» 5 line*), 

 rather ahrupt, tle.xuou.sly recurved : otherwise resemhlinj,' the last. — Car. 219 ; Willd. Sjicc! 

 i. I17-); I'ursh. Fl. i. 171 ; R.eni. & Schult. Syst. v. 349; Kll. Sk. i. 304. /. fultsi, Nutt, 

 Gen. i. 146; Hook. Fl. Bor.-Ain. i. 117 ; Torr. & (Jray. FI. i. 209; (Jrny, (Jen. 111. ii. 135, 

 t. 1.52, 153 ; Trelea.se, 1. c. 99. /. tnarulntn, Muhl. Cat. 26. /. u;liUt,„,rTr, /3. .Mi. h.x. Fl ii! 

 149. — Newfoundland to Washington, south to Kan.sxs ami .MLssis-sippi. (Intrxl into 

 England.) 



I. NoLiTAXGEUE, L. (The true Toicii-mk-not.) Leaves larger, often more strikingly M-rmtr, 

 sometimes cordulatc : flowers clearer yellow : saccate .^epal larger and still m-.n- e'l<.ngnt.-.|[ 

 gradually tapering into the long recurved sjmr which usually isn..t notched at tij. — Sjmt. 

 ii. 9.38; Keiehcnb. Ic. Fl. Germ. v. t. 198 1. ; Ktt. & I'ok. I'hysiotypia I'l. Au.str. x. t. 'Ji'5 — 

 Koosack River, Washington, Suksdorf. (Introd. from Fu.)' 



Order XXXIII. I{rT.\('i:.E. 



By a. Gray ; the genera Citrni^ and Ami/ris revised hy L. 11. Haim :v ;iiid I?. L. 

 ItoBi.NsoN respectively. 



Woody or rarely herlK-xceou.s plants, punctate witli (til-;.d:inds in tlif form of 

 pellucid or dark dots in the leaves, petals, &c., or as. pustules, these charged with 

 essential oil (graveolent, pungent, or aromatic). Leaves destitute of stipules, 

 except prickles. Flowers 4-o-nierous, mainly regular and mostly syuunetriial. 

 Stamens as many or twice as many as the sepals (imhricated in the hud) and 

 petals or occasionally more numerous, in.serted on or mostly around a hy|>«)<jynous 

 disk. Anatropous or amphitropous peixlulous ovules two or more in each cell 

 or carpel. Emhryo straight or curved, either filling th«' seed or large in pro|>or- 

 tion to the alhumen. — Order largely represented in the tropics and in the 

 southern hemisphere, feehly so in North America, and the larger trilM-s ahsrnt. 

 The characteristic dots are obsolete or wanting in one or more coriaceous-leavetl 

 species of Xanthoxjihtm. 



Ri;ta ouAvioi.KNs, L., the common Hue, of the Old WorM. a familiar denizen of pinions, 

 is of a group re])re.scnted in N. America by Thamnosma. 



DirxAMNts FRAXixfer.i.A, L., of Furopo, which ha.s somewhat irretrular flowcrn mkI « 

 5-lohed ovary, in fruit becoming jis many nearly sepanite and 2viUve«l c«r|Mdi», in common iu 

 old gardens. 

 TiURi: I. IU'TK.K. Heavy-sreiit.-d lierhs or sufTnitirose plant,", with strictly hor- 



niai'liroditc flowers. Ovules .'^evrral (.'? to 20) in each cell or car|»el. Kmbrj-o 



smiounded hy fle.shy alhumen, more or lev* curved, except in Dictamnu*. 



24 



