WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 343 
15. Lupinus aquilinus Woot. & Standl. Contr. U. 8. Nat. Herb. 16: 138. 1913. 
TyrE tocauity: Gilmores Ranch on Eagle Creek in the White Mountains, New 
Mexico. Type collected by Wooton & Standley (no. 3613). 
Rance: New Mexico. 
New Mexico: Sierra Grande; Raton; White Mountains. Mountains, in the Tran- 
sition Zone. 
16. Lupinus amplus Greene, Pl. Baker. 3: 36. 1901. 
Type Locauiry: Cerro Summit above Cimarron, Colorado. 
Rance: 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...........-.----++------+--- eee 1. M. sativa. 
Flowers yellow; plants prostrate....-. grec cece cence eee eee eeees 2. M. lupulina. 
1. Medicago sativa L. Sp. Pl. 778. 1753. ALFALFA, 
Type tocauity: ‘‘ 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. Pl. 779. 1753. BLacK MEDIC. 
TyrE Locauity: ‘‘ 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. 
Trifolium melilotus indica L. Sp. Pl. 765. 1753. 
Melilotus parviflora Desf. Fl. Atlant. 2: 192. 1800. 
Type tocauity: ‘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 officinalis (L.) Lam. in Lam. & DC. FI. Frang. 2: 594. 1778. 
YELLOW SWEET CLOVER. 
Trifolium melilotus officinalis L. Sp. Pl. 765. 1753. 
Typr Locauity: ‘Habitat in Europae campestribus.’’ 
New Mexico: Mesilla Valley; Farmington; Cedar Hill. 
The plant is well established in orchards in the Mesilla Valley. 
