Showing papers on "Undergrowth published in 1968"
TL;DR: Four new species of conifer twigs are described from well-preserved compressions isolated from black shales found in Makhtesh Ramon, a large cirque in southern Israel, dated as Lower Jurassic.
15 citations
TL;DR: On Sugar Loaf Hill, on the southern coast of eastern Long Island, Suffolk County, New York, is a small colony of Polypodium vulgare growing on sand, a most unusual habitat for this species in eastern North America as discussed by the authors.
Abstract: On Sugar Loaf Hill, on the southern coast of eastern Long Island, Suffolk County, New York, is a small colony of Polypodium vulgare growing on sand, a most unusual habitat for this species in eastern North America. I was taken to this colony by Mr. George Peter, an amateur naturalist and former Long Island resident, and by M\rs. Grosvenor Atterbury, owner of Sugar Loaf Hill, which is one of the Shinnecock Hills west of Southampton. The Polypodium (Fosberg 50490, US) is found on the eastern slope of the hill, at about 65 m elevation, in a patch of hardwood forest growing on a sandy morainal soil with no rock outcrops or even boulders in the immediate vicinity, although there are glacial boulders not far away. It is in a rather dense but not very tall hardwood forest of Prunus serotina, Robinia pseudo-acacia, and several oaks, with a thick undergrowth of Smilax, Viburnum, and other shrubs.
3 citations