Larrea. /V( .< M"!! V l.l.ACK.K. 3;j.j 



T. grandiflorus, Bkntii. & II.m.k. HarbaUly hinpiil, or U-low and MtmctimeN alin<N.t 

 wiinlly ^riai.rat,-: k-atiols 4 to 7 |)iiirn, obhuijc. fr.nii » .|uarur t<» full iurli I.,i,^r : |m-.Iuiii l.-« 

 surpiissiiiy the leaves : 8ei)als narrowly lanee.ilate. inucli aruminaU-. in ajjo lin«-arati*'nual<<, 

 surjuLssinj,' the fruit, shorter than the slemler jH-rMiwlent «t\ le : |m-u1» <Ii-«-|. v.-11.,w or .iranj;*,' 

 euMiMionly an indi long.— Uenth. & II.M.k. aiv. to Wats! IJil.l. Ii,.|e\. U'J. Hn-w. A Wau' 

 Hot. Calif, i. '.»!. Kdllslnniiiu <jmmlijl«ra, Torr. in (;rav. i'l. Wriijlil. i. 'in, 4. \\.,i Mrx. 

 HouimI. 42.' Soiitiiwe.stcrn l...nlcrs of Texas to Ari/umi ;ii„l |,r.il.al.lv l«.r.|.r» of California. 

 (Me.\. ami Lnw.r C:i[if.. first .■..11. by Th. Coult.r.) 



2. P^IGANUM, L. (Ancient Grei-k name of Km-, tran.sf. rrt-.l In Linn«-UH 

 to the Harmula of tlie lierlKilists.) — Low and hraneliin;^ perennial herbs, with 

 alternate ino.stly pinnately parted leave.s, small and setaceous or suhulale adnata 

 stipules, and flowers solitary and terminal or opposite the leaves. — Gen. no. 41.'3; 

 Beiith. & Hook. Gen. i. 287 ; liaill. Hist. Pi. iv. 418, 505, f. 500-508. — Four 

 Mediterraueau-Oriental and one Mexican species. 



P. Mexicanum, CiuAV. A span or two high from a deep lipnescont root, vcrv leafv : loavpN 

 railicr ticsliy, once or twice pinnately or suliternat.ly (li.sseile.l int.. lini-ar-tilif<>rni lolied ; 

 (lowers very .sliort-peiluncleil, 4-nuTous: jietals jiale yell.iw, shorter than the l.iciniate-t K-fl 

 leaf-like sepals: Hlanients hardly dilated at h.aso : fruit recurved on the short |MMlunc|(> ; 

 seeds elavate oldoug (I'l. Wright, ii.) or like tlio.se of /'. Il.irimiUi, L. — I'l. Wright, i. .H), 

 & ii. lot). — Mountains of S. New Mexio and Arizona,- W'riifht, Thurber. (.\dj. .Mex., 

 Bertandier, Gregg, &c.) 



3. FAGONIA, Tourn. (Gut/ C. Fagoju professor of Iwtany at Paris in 

 the 17th century.) — An Old World genus, e.xcepting the following and a vcrv 

 nearly related Chilian species. — Inst. 265, t. 141 ; L. Gen. no. 359. 



F. Californica, Bknth. Suffrutescent, exceedingly itninchcd, slender: Htipule.<< arerofM», 

 varying from 1 to .3 lines long: leaflets ohovate-sjiatnlate to lanceolate, <|uarter t4) half inch 

 long, lateral ones .seldom eijualling the slemler petiole : jtetals rose jiurple. two or three lincit 

 hnig: fruit only 2 lines long, much shorter than the detlexe.l fructiferous pednncli-s. — Hot. 

 Sulph. 10; Torr. I'acif. H. Hej). v. .■}.")<>, t. 1; Wats. Hot. King Kxp. 4IH; Hn-w. & Walj*. 

 But. Calif, i. 92. Varies fmin glal)rous, v.ir. Uindsnina, to granul.i.se- or glandular pulH-ni- 

 lent, var. Bdirhtyana, Henth. 1. c.'' — Arid region of Arizona and S. E. Califuruiji. (Adj. 

 Mex., Lower Calif.) 



4. LARRfiA, Cav., not Ort. (./. A. //. de Lnrrea, a Spanish erclesiastic.) 

 — Balsamic-re.siniferous shrubs,, all e.xcept the following species of extni-tropi«-aI 

 South America, with fleshy-coriaceous small leaves, and short-peduiwled or sub- 

 sessile yellow flowers terminating the numerous branchlets. — Anal. Hist. Nat. 

 Madrid, ii. 119, t. 18, 10, & Ic. vi. 30, t. 550, 5G0 ; A. Juss. Mem. Mus. .\ii. I56. 

 t. 15, f. 5. 



L. Mexicdna, MnFucvM). (C;<»nKRNArKiu.\. CuKosoTE-ri.ANT.) Shruh 3 t.. 10 feot high. 

 v.rv inii.li liranched, somewhat unjde.isantly hal.samic-scented, viscous, very leafy : h'a\e« 

 verv sh..rt-pitiole.l, bright and deej) green, mostly of a single |iair i>f uldong ims|uil.tlcral 

 jind somewh.at falc-ate leaflets (a .piarter to half inch long), which are closu-ly i«*j«iiU' ami 

 .somewhat connate bv their broad ba.ses : sepals ovate, silky : |)etals .T ur 4 linen long : Ma 

 mineal scales nearly e(|ualling the filanients : fruit a .piarter >ir thir-l inch long. — I'l N.>Hv. 

 Am. 71, t. 48; Torr. in Kmory. Hep. I.'IS. t. .T ; (Jray. Ceii 111. ii I2t>. t. 147 ; Hrt>w & Watx. 

 Bot. Calif, i. Qi. — L. ghitinosd, Kng«-lm. in Wisliz. Tour Northern .Me\. '.».» ip '.» ..f n print I 



1 Ad.l syn. T. Fifrheii, K.-ll. IVoc. Cnlif. Acad. Sci. vii. Ifi-2. 



2 Al«i in I-jiirlc Mts. of extreme W.-xtern Texn", ncr. to C.Miller, Contrih. V. S Nat. Herb. ii. &3. 

 8 Add syn. /'. Cali/oiitica, var. glutinosti, A. M. Vail, Bull. Torr. Club, xxii. *B. 



