The following information was excerpted from the The Pennsylvania Statutes, Title 71, Chapter 6, Section 1004.
Title 71 P.S. State Government
I. The Administrative Codes and Related Provisions
Chapter 6. Provisions Similar or Closely Related to Provisions of the Administrative Code
Secretary and Department of Internal Affairs
§ 1004. State tree; hemlock
The hemlock tree (Tsuga Canadensis Linnaeus) be adopted as the State tree of Pennsylvania.
1931, June 22, P.L. 661, § 1.
HISTORICAL AND STATUTORY NOTES
1990 Main Volume
This act contained the following preamble:
"Whereas, The hemlock (Tsuga Canadensis Linnaeus) is still today, as it was of old, the tree most typical of the forests of Pennsylvania; and
"Whereas, The hemlock yielded to our pioneers the wood from which they wrought their cabin homes; and
"Whereas, The hemlock gave its bark to found a mighty industry; and
"Whereas, The hemlock everywhere lends kindly shelter and sure haven to the wild things of forests; and
"Whereas, The lighted hemlock at Christmas time dazzles the bright eyes of the child with an unguessed hope, and bears to the aged, in its leaves of evergreen, a sign and symbol of faith in immortality."
71 P.S. & 1004, PA ST 71 P.S. & 1004
Thomson Reuters: Westlaw The Pennsylvania Statutes, <http://government.westlaw.com/linkedslice/default.asp?SP=pac-1000> (Accessed December 14, 2010)
Shearer, Benjamin F. and Barbara S. State Names, Seals, Flags and Symbols: A Historical Guide Third Edition, Revised and Expanded. Westport, Conn: Greenwood Press, 3 Sub edition, 2001.
CalPhotos Photo Database: Photographs of Tsuga Canadensis from CalPhotos, a project of the Biodiversity Sciences Technology group (BSCIT), part of the Berkeley Natural History Museums at UC, Berkley.
Eastern hemlock (Tsuga canadensis (L.) Carrière): Tree Identification Fact Sheet from the Virginia Tech.
Eastern hemlock (Tsuga canadensis (L.) Carrière): Landowner Fact Sheet from the Virginia Tech.
Plant Profile for Tsuga canadensis (L.) Carrière (eastern hemlock): USDA, NRCS. 2004. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Tsuga canadensis (L.) Carrière (eastern hemlock): United States Department of Agriculture: Forest Service: Agriculture Handbook 654: Silvics of North America.
State Tree List: List of all of the state state trees.
A Field Guide to
George A. Petrides A Field Guide to Eastern Trees (Peterson Field Guides) (Paperback): by George A. Petrides, Janet Wehr (Illustrator), Roger Tory Peterson (Series Editor), Houghton Mifflin; 2 edition (July 15, 1998). This field guide features detailed descriptions of 455 species of trees native to eastern North America, including the Midwest and the South. The 48 color plates, 11 black-and-white plates, and 26 text drawings show distinctive details needed for identification. Color photographs and 266 color range maps accompany the species descriptions.
A Field Guide to
John C. Kricher A Field Guide to Eastern Forests : North America (Peterson Field Guides(R)) (Paperback): by John C. Kricher (Photographer), Gordon Morrison (Illustrator), Roger Tory Peterson (Series Editor), Houghton Mifflin (October 15, 1998). This field guide includes all the flora and fauna you're most likely to see in the forests of eastern North America. With 53 full-color plates and 80 color photos illustrating trees, birds, mammals, wildflowers, mushrooms, reptiles, amphibians, butterflies, moths, beetles, and other insects.
North American Trees
Eastern Region National Audubon Society Field Guide to North American Trees : Eastern Region: by Elbert Luther Little. Knopf; Chanticleer Press ed edition (May 12, 1980). Nearly 700 species of trees are detailed in photographs of leaf shape, bark, flowers, fruit, and fall leaves -- all can be quickly accessed making this the ideal field guide for any time of year. Note: the Eastern Edition generally covers states east of the Rocky Mountains, while the Western Edition covers the Rocky Mountain range and all the states to the west of it.
and Historic Trees
Jeffrey G. Meyer America's Famous and Historic Trees: From George Washington's Tulip Poplar to Elvis Presley's Pin Oak (Hardcover) by Jeffrey G. Meyer. America's Famous and Historic Trees tells the stories of various trees that Meyer and his cohorts rescued or propagated: oftentimes, when trees were going to be cut down, he and his workers headed off the bulldozers, rescuing the tree with their massive tree hoe. Other trees--like the Indian Marker Pecan in southeast Dallas--were propagated before they died.
Barbara Bosworth Trees : National Champions (Hardcover) by Barbara Bosworth. Bosworth captures the ineffable grace and dignity of trees with clarity and directness: the green ash that shades a midwestern crossroads, the common pear that blooms in a Washington field, and the Florida strangler fig with its mass of entwining aerial roots.
Her black and white photographs, panoramic views taken with an 8 x 10 camera, show the immensity of the largest species and the hidden triumphs of the smallest
Plants, Seeds & Flowers: Bulbs, seeds, plants, fertilizer, plant containers and more.
Gardening Tools: Pruners, rakes, shovels, hoes, trowels, cultivators and tillers, greenhouses, yard carts and more.