460 rOLYGALACE^. Monnina. 



CHLOR6GEyA, Torr. & Gray, I.e. 129 (where printed chlorgena), is a form in which the 

 flowers turn deep green in drying, but the other distinctions do not hold. 

 2. MONNINA, Ruiz & Pav. (/. Moiiino, Spanish nobleman and patron 

 of botany.) — Fl. Peruv. Syst. i. 1G9 ; IIBK. Nov. Gen. & Spec. v. 409, t. 501- 

 505; Hook. Bot. Mag. t. 3122; Benth. & Hook. Gen. i. 139; Baill. Hist. PL 

 V. 89 ; Chodat, Bull. Herb. Boiss. iv. 243. Bebeandra, Bonpl. ace. to DC. 

 Prodr. i. 338. — A genus of tropical and subtropical America, ranging from 

 Mexico to Brazil and including some 70 species of herbs, shrubs, and even small 

 trees. Only one species, a smoothish annual, resembling a Polygala, reaches 

 our southwestern border. 



M. Wrightii, Gray. Erect, slender, suhsimple or moderately branched, 10 inches to 2 

 feet in height : leaves subsessile, lanceolate, entire, cuneate at the base, the lower ones ob- 

 tusish at the apex, the upper ones narrower, lance-linear, long-attenuate : flowers in simple 

 terminal pedunculate spikes, crowded in bud, laxer in anthesis and somewhat scattered in 

 fruit, U lines long, greenish or cream-colored, becoming bluish with age: fruit deflexed, 

 suborbicular, puberulent, about 2 lines in diameter including the radiately nerved wing. — 

 PI. Wright, ii. 31 ; Torr. Bot. Mex. Bound. 49. — Gravelly slopes and rocky hillsides. New 

 Mexico, near the copper mines, Wright, no. ^3%; S. Arizona, Ze/nmon, no. 499. (Chihuahua, 

 Pringle.) 



