WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 497 
3. MENODORA Humb. & Bonpl. . 
Low herbs, suffrutescent at the base, with simple entire leaves and bright yellow 
flowers; calyx persistent, with a short tube and 5 to 15 narrow lobes; corolla rotate 
or short-campanulate, with 5 or 6 lobes; stamens 2 or 3, exserted, on slender filiform 
filaments; ovary 2-celled; stigma capitate; fruit didymous, circumscissile near the 
middle. 
KEY TO THE SPECIES. 
Plants glabrous throughout...............-220 2222-20 e eee ee eee eee 1. M. laevis. 
Plants scabrous-puberulent, rough to the touch..............-....--.. 2. M. scabra. 
1. Menodora laevis Woot. & Standl. Contr.U. 8, Nat. Herb. 16: 158, 1913. 
Tyre LocaLiry: Organ Mountains, New Mexico. Type collected by G. R. Vasey 
in 1881. 
Rance: Low mountains of southern New Mexico. 
New Mexico: Organ Mountains; Duck Creek Flats; La Luz Canyon. Upper 
Sonoran Zone. 
2. Menodora scabra A. Gray, Amer. Journ. Sci. IT. 14: 43. 1852. 
TyprE LocaLity: New Mexico. Type collected by Wislizenus in 1846. 
Rance: Western Texas to Arizona and southward. 
New Mexico: Santa Fe; Las Vegas; Zuni Reservation; Socorro; Pinos Altos; 
Albuquerque; Silver City; Rincon; Tortugas Mountain; Organ Mountains. Dry hills, 
in the Upper and Lower Sonoran zones. 
4. MENODOROPSIS Small. 
Low suffrutescent herb, about 30 cm. high, with tufted stems, simple, mostly 
opposite leaves, and conspicuous bright yellow flowers with long-salverform corollas; 
calyx pediceled, ribbed, 10-lobed; stamens included, the anthers nearly sessile on 
the throat of the corolla; capsule didymous, circumscissile near the middle. 
1. Menodoropsis longiflora (A. Gray) Small, Fl. Southeast. U. 8. 917. 1903. 
Menodora longiflora A. Gray, Amer. Journ. Sci. IT. 14: 45. 1852. 
Type LocaLity: Texas. 
Rance: Western Texas to southeastern New Mexico. 
New Mexico: Queen (Wooton). Dry hills, in the Upper Sonoran Zone. 
Order 43. GENTIANALES. 
1158. GENTIANACEAE. Gentian Family. 
Smooth herbs with bitter colorless juice; leaves opposite, rarely alternate or ver- 
ticillate, exstipulate; flowers perfect, regular; calyx 4 to 12-lobed or toothed, often 
marcescent; corolla gamopetalous, 4 to 12-lobed or toothed; stamens as many as the 
corolla lobes and alternate with them, epipetalous; ovary superior, 1-celled, rarely 
2-celled, with parietal placente or the whole wall ovuliferous; capsule dehiscent 
through the placentz; seeds numerous. 
KEY TO THE GENERA. 
Styles filiform, mostly deciduous; anthers recurved or 
twisted at maturity. 
Corolla small, red, rose, or yellowish, the tube 
surpassing the calyx; anthers spirally 
twisted .........-2..--.2-222-----22222----- 1. CENTAURIUM (p. 498). 
52576°—15 32 
