WOOTON AND STANDLEY FLORA OF NEW MEXICO. 391 



1. MONNINA Ruiz & Pav. 



Slender annual 30 cm. high or less, with terminal racemes of small blue flowers; 

 leaves linear-lanceolate, 2 to 5 cm. long, acute; flowers about 3 mm. long, on deflexed 

 pedicels; stamens 6, in two groups; fruit a small, circular, winged, minutely reticulate 

 pod, the sides carinately 1-nerved. 



1. Monnina wrightii A. Gray, PI. Wright. 2: 31. 1853. 



Type locality: Crevices of rocks, mountain sides, near the Copper Mines, New 

 Mexico. Type collected by Wright (no. 938). 



Range: Southern New Mexico and Arizona and adjacent Mexico. 



New Mexico: Mogollon Creek; Kingston; Mangas Springs. Transition Zone. 



2. POLYGALA L. Milkwort. 



Low herbs or shrubs with solitary or racemose flowers and small simple leaves; 

 sepals 5, the 2 lateral ones large and petaloid; petals 3, united to each other and to the 

 stamen tube, the middle one (keel) often crested or appendaged; stamens 6 or 8; pods 

 2-celled, flattened contrary to the partition, sometimes winged. 



key to the species. 



Annual 9. P. viridescens. 



Perennials. 



Keel of the corolla with a fimbriate crest; flowers white. 



Fruit not winged 1. P. alba. 



Fruit winged. 



Mature capsule obscurely winged; inflorescence 

 sparingly puberulent; leaves rigid, erect, 



linear 2. P. scoparia. 



Mature capsule with a broad half- wing; inflores- 

 cence glabrous; leaves spreading, thin, 



broader 3. P. hemipterocarpa. 



Keel not crested, sometimes with a solitary beaklike 

 process; flowers variously colored. 



Flowers solitary 4. P. maeradenia. 



Flowers racemose. 



Stems woody, with spinose tips 5. P. subspinosa. 



Stems herbaceous, not spinose-tipped. 



Keel furnished with a beaklike process; leaves 



glabrous, shining 6. P. parvifolia. 



Keel not beaked; leaves pubernlent, never 

 shining. 

 Faces of the fruit puberulent; leaves lance- 

 olate, acute, thin 7. P. neomexicana. 



Faces of the fruit glabrous; leaves linear or 



oblong-linear, mostly obtuse, thick. 8. P. puberula. 



1. Polygala alba Nutt. Gen. PI. 2: 87. 1818. 

 Type locality: "On the plains of the Missouri." 



Range: Washington and North Dakota to Arizona and Texas. 



New Mexico: Coolidge; Bear Mountain: Magdalena Mountains; White Mountains; 

 Capitan Mountains: Torrance; Uedlands; Xara Visa; Organ Mountains: Clayton; San- 

 dia Mountains; Queen; Snowies. Dry lulls, in the Opper Sonoran and Transition 



/.ones. 



2. Polygala scoparia II. I'.. K Nov. Gen. & Sp. 5: 399. L821. 

 Polygala scoparia in ul! icaulis A. Grjy, I'l. Wrkdit. 1:3S. 1S">2. 

 Type locality: "Crescil prope Mexico, alt. L170hex." 

 Range: Western Texas to southern Arizona, south into Mexico. 

 New Mexico: Dog Spring I )f earns 41). 



