WOOTON AND STANDLEY FLORA OF NEW MEXICO. 343 



15. Lupinus aquilinus Woot. & Standi. Contr. U. S. Nat. Herb. 16: 138. 1913. 

 Type locality: Gilmores Ranch on Eagle Creek in the White Mountains, New 



Mexico. Type collected by Wooton & Standley (no. 3613). 



Range: New Mexico. 



New Mexico: Sierra Grande; Raton; Wliite Mountains. Mountains, in the Tran- 

 sition Zone. 



16. Lupinus amplus Greene, PI. Baker. 3: 36. 1901. 

 Type locality: Cerro Summit above Cimarron, Colorado. 

 Range: Mountains of Colorado and northern New Mexico. 

 New Mexico: Chama (Standley 6827). Transition Zone. 



6. MEDICAGO L. 



Annual or perennial herbs, not glandular-dotted, with pinnate 3-foliolate toothed 

 leaves, and small flowers in spikelike racemes; pods spirally coiled, few-seeded. 



KEY TO the species. 



Flowers bluish purple ; plants erect 1. M. sativa. 



Flowers yellow; plants prostrate 2. M. Iwpulina. 



1. Medicago sativa L. Sp. PI. 778. 1753. Alfalfa. 

 Type locality: "Habitat in Hispaniae, Galliae apricis." 



New Mexico: Escaped in cultivated and waste ground in nearly all parts of the 

 State. 



2. Medicago lupulina L. Sp. PI. 779. 1753. Black medic 

 Type locality: "Habitat in Europae pratis." 



New Mexico: Tesuque; Taos; Santa Fe; Pecos; Mangas Springs. 



An introduction from Europe, occasional along irrigating ditches and in wet fields. 



7. MELILOTUS Juss. Sweet clover. 



Erect annual or perennial herbs, sometimes 1.5 meters high, with pinnately 3- 

 foliolate toothed leaves, small yellow or white flowers in axillary pedunculate ra- 

 cemes, and small ovoid 1 or 2-seeded coriaceous wrinkled pods. 



key to the species. 



Annual; corolla 2 to 2.5 mm. long, yellow 1. M. indica. 



Perennials; corolla 5 or 6 mm. long, yellow or white. 



Corolla yellow; standard and wing petals about equal 2. M. officinalis. 



Corolla white ; standard longer than the wings 3. M. alba. 



1. Melilotus indica (L.) All. Fl. Pedem. 1: 308. 1785. 

 Trifoliuvi melilotus indica L. Sp. PI. 765. 1753. 

 Melilotus parviflora Best. Fl. Atlant. 2: 192. 1800. 

 Type locality: "Habitat in India, Africa." 



New Mexico: Albuquerque; Santa Fe; Pecos; Kingston; Mesilla Valley. 



No weed is more common in alfalfa fields. Its seed is a common adulterant of alfalfa 

 seed, and frequently the sweet clover seedlings are more numerous than the alfalfa 

 plants. Because of their bitter taste, probably, the plants are invariably refused by 

 cattle and horses. 



2. Melilotus oflacinalis (L.) Lam. in Lam. & DC. Fl. Fran^. 2: 594. 1778. 



Yellow sweet clover. 

 Trifolium melilotus officinalis L. Sp. PI. 765. 1753. 



Type locality: "Habitat in Europae campestribus." 



New Mexico: Mesilla Valby; Farmington; Cedar Hill. 



The plant is well established in orchards in the Mesilla Valley. 



