Lycianthes, the third most species-rich genus in the Solanaceae, is distributed in both the New and Old Worlds and is especially diverse in Mexico. Here we provide an identification key, taxonomic descriptions, distribution maps, and illustrations of specimens, trichomes, flowers, and fruits for the 53 known Lycianthes taxa of Mexico and Guatemala. The new combination Lycianthes scandens (Mill.) M.Nee is made and replaces the name Lycianthes lenta (Cav.) Bitter, which is placed in synonymy. Within L. scandens, two varieties are recognized (Lycianthes scandens var. scandens and Lycianthes scandens var. flavicans (Bitter) J.Poore & E.Dean, comb. nov.). In addition, one new species (Lycianthes rafatorresii E.Dean, sp. nov.) is described from eastern Mexico, and 10 names (either recognized taxa or synonyms of recognized taxa) are lectotypified, including the names Solanum heteroclitum Sendtn., S. rantonnetii Carrière, and S. synantherum Sendtn. The species L. multiflora Bitter and L. synanthera (Sendtn.) Bitter are excluded from the treatment, as research indicates that they do not occur in Mexico and Guatemala, however full synonymy for both names is given.

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While libraries have sought to advance diversity in their services, they have yet to engage a specific population which tests the limits of the profession’s capabilities and the scope of its mission.  Those with Intellectual and Developmental Disability (IDD) combine the categories of learning and physical disabilities and demand the highest level of support.  But the impediments to reading imposed by their cognitive condition make it difficult for them to access the library’s materials.  Beset by funding shortages and systemic change, what are libraries to do?  This study examines how convergent trends in educational theory and practice as well as grass-roots initiatives have created new possibilities for library services to this population.  The study reviews these trends as well as a case study to suggest that libraries have much of what they need in their traditional programming and training when combined with a deeper understanding of the dynamics of social justice.

This article provides context for library services for individuals with intellectual disability (ID) and then provides a case study and preliminary data on new efforts in the field for public libraries, school media centers, and academic libraries connected with the educational system. While many libraries are dedicated to serving diverse populations, they have done little to support individuals with ID who have difficulty using library services and accessing their collections. Efforts to advertise, to develop specialized collections, and to utilize assistive technology have floundered on high costs and low returns. These shortcomings are especially critical for adults with ID. While the law mandates the inclusion of individuals with ID in the public school system, there are few opportunities for education, employment, or socializing for those who age out; the library, as a fundamental public institution, is one of the few resources available to them. For the benefit of both libraries and adults with ID, it is critical that libraries develop improved services for this group of patrons. The case study in this article provides data on a book club for persons with ID held at an academic library and based on the model of the Next Chapter Book Club (NCBC) organization. By comparing data between the case study and 30 similar book clubs at public libraries throughout the nation, the article develops a profile of what these book clubs do and how to measure their successes. We conclude that such clubs represent a low-cost, effective way for libraries to support persons with ID that helps libraries fulfill their mission of serving diverse groups and provides critical support to this particular population.