Published in 1928, Macunama? workmanship of the writer Mrio de Andrade? it is a romance of Modern line, writing in only six days, during its vacation in the interior of So Paulo, becoming a classic of the Brazilian literature, which approaches the adventures of a hero without no character, personage who of the name to the workmanship. All the plot of the rapsdia if develops around the loss and recovery of muiraquit? object of sentimental value for Macunama, gift of Ci, queen of Amazon, with who has a son (this falece days after been born). In uncurling of the tram, Macunama ‘ ‘ brinca’ ‘ with diverse women, attracting until its brother-in-law, Iriqui, woman of Jigu; raises the question if the hero is or not it profile of the Brazilian, had as without character, without conscience. Such fact is still strengthened in a chapter of the narrative, where the main personage leaves the conscience in the one tip mandacaru in the Island of Marapat and travels for the South (Chapter V). It is noticed in the context, the absence of punctuation in some conjuncts, a simple language, as well as the intention of the author in portraying diverse problems, such Brazilian which: the lack of definition of a national, the culture submissa and divided character of Brazil, the indifference stops with our traditions, the importation of sociocultural and economic models, the linguistic discrimination, among others factors. According to Mrio de Andrade, ‘ ‘ this book does not pass of an anthology of the Brazilian folklore. … One of the interests was lendariamente to disrespect the geographic geography and fauna and flora. … ‘ ‘ (1928, p 220) certain ousadia of the author in establishing an imaginary relation between the mythical one Is still perceived and the technological one, in which it is presented in the phase where Macunama, in search of muiraquit, goes for So Paulo and there ‘ ‘ mitifica’ ‘ some unknown objects of the urban civilization for it, as the machine pathek, the machine Smith-Wesson, the machine telephone, the machine tram, machine clothes, electric light etc., and, reciprocal, is bewitched by them. At last, one noticed bold intentions of the author in publishing the above-mentioned narrative, having main intention the rupture with any trace of a literary chain that still prevailed in those times, the Parnasianismo; implantation of a genuinely Brazilian culture, being, landmark and, workmanship target critical even in the current days for Brazilian literature.