Larrea. ZYGOPHYLLACE^. 355 



T. grandiflorus, Benth. & Hook. Barbatelj' hispid, or below and sometimes almost 

 wlioUy glabrate : leaflets 4 to 7 pairs, oblong, from a quarter to full inch long : peduncles 

 surpassing the leaves : sepals narrowly lanceolate, much acuminate, in age linear-attenuate, 

 surpassing the fruit, shorter than the slender persistent style : petals deep yellow or orange, 

 commonly an inch long. — Benth. & Hook. ace. to Wats. Bibl. Index, 149; Brew. & Wats. 

 Bot. Calif, i. 91. Kallstroemia grandijlora, Torr. in Gray, PI. Wright, i. 28, & Bot. Mex. 

 Bound. 42.1 _ Southwestern borders of Texas to Arizona and probably borders of California. 

 (Mex. and Lower Calif., first coll. by Th. Coulter.) 



2. P:^G-ANUM, L. (Ancient Greek name of Rue, transferred by Linnseus 

 to the Harmala of the herbalists.) — Low and branching perennial herbs, with 

 alternate mostly jjinnately parted leaves, small and setaceous or subulate adnate 

 stipules, and flowers solitary and terminal or opposite the leaves. — Gen. no. 443 ; 

 Benth. & Hook. Gen. i. 287 ; Baill. Hist. PI. iv. 418, 505, f. 506-508. — Four 

 Mediterranean-Oriental and one Mexican species. 



P. Mexicanum, Gray. A span or two high from a deep lignescent root, verv leafy : leaves 

 rather lieshy, once or twice pinnately or subternately dissected into linear-filiform lobes ; 

 flowers very short-peduncled, 4-merous : petals pale yellow, shorter than the laciniate-cleft 

 leaf-like sepals : filaments hardly dilated at base : fruit recurved on the short peduncle ; 

 seeds clavate oblong (PI. Wright, ii.) or like those of P. Harmala, L. — PI. Wright, i. 30, 

 & ii. 106. — Mountains of S. New Mexico and Arizona,^ Wright, Thurber. (Adj. Mex., 

 Berlandier, Gregg, &c.) 



3. FAGONIA, Tourn. {Guy 0. Fagon, professor of botany at Paris in 

 the 17th century.) — An Old World genus, excepting the following and a very 

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



F. Californica, Benth. Suffmtescent, exceedingly branched, slender: stipules acerose, 

 varying from 1 to 3 lines long : leaflets obovate-spatulate to lanceolate, quarter to half inch 

 long, lateral ones seldom equalling the .slender petiole : petals rose-purple, two or three lines 

 long : fruit only 2 lines long, much shorter than the deflexed fructiferous peduncles. — Bot. 

 Sulph. 10; Torr. Pacif. Ii. Rep. v. 359, t. 1 ; Wats. Bot. King Exp. 418; Brew. & Wats. 

 Bot. Calif, i. 92. Varies from glabrous, var. Hindsiana, to granulose- or glandular-puberu- 

 lent, var. Barclayana, Benth. 1. c.^ — Arid region of Arizona and S. E. California. (Adj. 

 Mex., Lower Calif.) 



4. LARREA, Cav., not Ort. {J. A. H. de Larrea, a Spanish ecclesiastic.) 

 — Balsamic-resiniferous shrubs, all except the following species of extra-tropical 

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

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

 Madrid, ii. 119, t. 18, 19, & Ic. vi. 39, t. 559, 560; A. Juss. Mem. Mus. xii. 456, 

 t. 15, f. 5. 



L. Mexicana, Moricand. (Gobernadora, Creosote-plant.) Shrub 3 to 10 feet high, 

 very much branched, somewhat unpleasantly balsamic-scented, viscous, very leafy : leaves 

 very short-petioled, bright and deep green, mostly of a single pair of oblong inequilateral 

 and somewhat falcate leaflets (a quarter to half inch long), which are closely sessile ami 

 somewhat connate by their broad bases : sepals ovate, silky : petals 3 or 4 lines long : sta- 

 mineal scales nearly equalling the filaments : fruit a quarter or third inch long. — PI. Nouv. 

 Am. 71, t. 48 ; Torr. in Emory, Rep. 138, t. 3 ; Gray, Gen. 111. ii. 120, t. 147 ; Brew. & Wats. 

 Bot. Calif, i. 92. — L. glutinosa, Engelm. in Wisliz. Tour Northern Mex. 93 (p. 9 of reprint). 



1 Add syn. T. Fischeri, Kell. Proc. Calif. Acad. Sci. vii. 162. 



2 Also in Ear,'le Mts. of extreme Western Texas, ace. to Coulter, Contrib. U. S Nat. Herb. ii. 53. 

 8 Add syn. F. Californica, var. glutinosa, A. M. Vail, Bull. Torr. Club, xxii. 229. 



