Bolsa de Madrid their equity securities listed on the Madrid Stock Exchange. The total market capitalization of the equity securities listed on the Madrid Stock Exchange in May, 2007 was €1,276.26 billion. It is housed in a historic nineteenth-century building, the Palacio de la Bolsa de Madrid. Bolsa de Madrid Bolsa de Madrid (; Madrid Stock Exchange) is the largest and most international of Spain's four regional stock exchanges (the others are located in Barcelona, Valencia, and Bilbao) that trade shares and convertible bonds and fixed income securities, and both government and private-sector debt. Bolsa de Madrid is owned by Bolsas y Mercados
Dioscorea mexicana Dioscorea mexicana Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus "Dioscorea". "Dioscorea mexicana" is a caudiciform dioscorea having either a partly to completely above-ground dome-shaped caudex with a thick, woody outer layer up to 3 feet (90 cm) in diameter and 8–10 inches (20 to 25 cm) in height. The caudex of "D. mexicana" is divided into regular polygonal plates that become protuberant with age, and separated by deep fissures. The vigorous annual vines which may reach 30 feet (9 m) long before dying back in winter, that grow up from the