During the liulf year ending January 31, 1911, there have been two groups of boys in a special class in Girard College, one group known as the "Retarded Class," the other as the "Delinquent Class." There were twenty-four boys in the Retarded Class and twenty-eight in the Delinquent Class. Retarded boys are those who have remained unduly long in a grade without promotion, the repeating having be...

common (and generic) name is of obscure origin, but it was used by the French settlers in Florida as early as the sixteenth century. The tree is characteristically a plant of forest margins and clearings, but it also is often somewhat weedy, appearing in old fields, hedgerows, and along roadsides where it rapidly forms clumps by means of suckers and stolons. It is often thought of as being a ra...

Torenia is an annual plant of the family Scrophulariaceae that is used as an ornamental summer bedding plant. Torenia is also an experimental plant with several useful characteristics, i.e., ease of genetic transformation, ability to differentiate adventitious structures, protruding embryo sac, and capacity for in vitro flowering. Genetic transformation of torenia was first reported in 1995, an...

Hawaii has no native pines, but many species have been introduced as ornamental or potential timber trees. These species have been planted in environments that differ greatly from their natural habitat. This paper describes how the coordinated seasonal cycle of growth and flowering has been influenced by the climatic conditions these pines have encountered in Hawaii. Hawaii has no native pines,...

It is well known that occupational exposure to pollens of flowering ornamental plants may elicit rhinoconjunctivitis, asthma, and contact urticaria (1). However, it was not until the 1980s that a foliage decorative plant, weeping fig (Ficus benjamina), was recognized as an important cause of occupational immediate mucosal and skin reactions, and, to a lesser degree, of similar symptoms in atopi...

Ever since the Medieval era, Cistercian monasteries have been centres of architecture, horticulture, art and craft. Their abbeys were also distinguished by a rich theological program. Within larger monastic complexes, abbot occupied representative building, surrounded an ornamental garden. In 15th century, Abbot’s Palace was erected at Abbey in Oliwa, which had founded 1178. The abbot’s seat re...