MEDIC AGO FALCATA, A YELLOW-FLO WEEED ALFALFA. 31 



M. sativa decolurans Fries (21, p. 91). 



Stems somewhat decumbent ; leaflets often narrower than in ordinary 

 Medicago sativa; petals violet, becoming a dirty yellow or finally the color 

 of iron stain. Locality : Southern Sweden. 

 J/, panel flora Ledeb. [35). 



Pilose; racemes few (2-4 flowered) ; pods smooth, spirally coiled; pedicels 

 less than half the length of the calyx, erect after flowering; leaflets cune- 

 ate, denticulate at the apex ; flowers yellow. Locality : Barku Province, 

 Russia. The author places this phmt in a group including plants of white, 

 yellow, blue, and violet flowers. 

 M. satiia versicolor Koch {29, ed. 2). 



Flowers bright yellow, changing to green, and later into pale violet. 

 Locality : Not specified. 

 M. satica aibi flora Babey (3). 



Flowers pure white. Locality : Environs of Montbeliard, France. Rouy 

 and Foucaud describe this variety as having pubescent pods and whitish 

 flowers. 

 M. falcata amhigua Trautv. {61). 



Flowers violet; pods falcate, semicircular or circular. Locality: On the 

 shores of Lake Alkaul, Siberia. 

 M. satica atriflora Alefeld (/, p. 76). 



Like Mcdieago faleata in character of growth and pods, but the flowers 

 on opening are blackish blue. Locality : Not indicated. 

 M. sativa koehiana Alefeld (1, p. 76). 



Like Medieago faleata, but the flowers are at first yellow, then green, and 

 at last violet. Locality : Not indicated. According to the author, this 

 equals M. faleata hicolor of Koch and M. faleata hijhrida of Gaudin. 

 J/, sativa intermedia Alefeld (i, p. 76). 



Like M. sativa koehiana, but with larger stems, larger and more toothed 

 stipules, and larger flowers. Locality : Not indicated. Alefeld gives this as 

 equal to M. intermedia Schultes, M. procumhens Besser, and M. falcata 

 111(1 jor of Koch, but from the description it is quite apparent that the plants 

 are very different. 

 M. sativa rotundifolia Alefeld {1, p. 75). 



Stems erect ; the lower leaflets circular, 5 lines long by 4J lines broad, the 

 upper ones slightly oblong, 5 lines long and 3 lines broad ; bloom bluish 

 yellow ; stipules with hairlike serrations, whereas those of the other varie- 

 ties are short l)Ut sliarp toothed. Locality : Ladak in Tibet 

 M. sativa tihetana Alefeld {1, p. 75). 



Stems ascending, slender; leaflets 8 lines long and 3 lines broad: flowers 

 yellowish blue; pods with 1 to 2^ coils. Locality: Himalayas. 

 M. sativa pallida Alefeld {1, p. 76). 



Stems prostrate like M. falcaht ; leaflcls (! lines long by ,'{ lin(>s broad; 

 bloom light yellow, somewhat hirgfi- liian ordinni'y 1/. fatvafa; pods with 

 1 to ]J colls, with an oi)en cenlci- li lines wide, liocalily : Not indicated. 

 .1/. sativa rosea Alefeld (1, p. 75). 



Stems erect and siinihir Id .1/. vulgaris: leaflets S lines long, 4 lines broad, 

 rather large; floweis luiglit rose color. Described from a dry specimen. 

 Locality: Not indicated. 

 .1/. subfalcala Scliiir (.>7). 



L(;a(letM obovaf<'-liiieiir ; stipules very long acuminate; flowers cni)iiiile, 

 varieguled, jtaU; yellow at first, cluiiigiiig to green, and linally becoming a 

 dirty violet; pods Hmootli, forming one coll. Locality: Vicinily of Kron- 

 Htadt, Hungary. 



