{"product_id":"9781412160421","title":"North American Species of Cactus","description":"In the fall of 1890 Dr. George Vasey, then Botanist of the Department of Agriculture, arranged with me to prepare a revision of North American Cactaceae. Owing to the peculiar difficulty of preserving material the family was poorly represented, even in our leading herbaria. To secure a large amount of additional material in the way of specimens and field notes the Department authorized me to visit the region of the Mexican boundary during the summer of 1891","brand":"eBooksLib","offers":[{"title":"Default Title","offer_id":47121830445296,"sku":"9781412160421","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781412160421_p0.jpg?v=1763724247","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781412160421","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}