File:Bulletin (Pennsylvania Department of Forestry), no. 11 (1901) (20475723076).jpg

Title: Bulletin (Pennsylvania Department of Forestry), no. 11
Identifier: bulletinpennsylv11penx (find matches)
Year: 1901 (1900s)
Authors: Pennsylvania. Dept. of Forestry
Subjects: Forests and forestry
Publisher: Harrisburg, Pa. : The Department : WM. Stanley Ray, state printer of Pennsylvania
Contributing Library: Penn State University
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
'
Text Appearing After Image:
205 ALTERNATE-LEAVED DOGWOOD. Cornus alternifolia, Linnaeus. FORMâA small tree usually about 10-20 ft. high but may reach a height of 30 ft. with a diameter of 8 Inches, Trunk is short. Crown broad, deep, flat-topped, and dense. BARKâRather thin; on younger stems ?reeiiish streaked with white, and smooth; on older stems reddish-brown and roughened by shallow lougitudinal fissures which are sometimes joined transversely. TWIGSâAlternate, rather slender and nexible, smooth, often glossy, at first reddish- green, later dark green and often striped with white; bitter to the taste and emitting an offen- sive smell if punctured; marked with lunate leaf-scars and scattered lentlcels. BTTDSâAlternate, rarely opposite, oval, sharp-pointed, covered with a few, usually 2-3, chest- nyt-brown scales. Outer scales are often separated towards apex. LEAVES^Alternate, sometimes opposite, simple, frequently clustered at end of branches, 3-5 inches long, 2-3 inches wide, ovate, acuminate nt apex, wedge-shaped at base, entire or wavy on margin, bright green above, usually almost white downy below. LEAF-SCARSâAlternate, sometimes opposite, situate on extensions of the twigs, with their surfaces often at right angles to twigs; in outline resemble the moon In first quarter and containing 3 bundle-scars. FLOWERSâAppear about April. Cream-colored, perfect, borne In many-flowered terminal cymes. FRUITâA dark blue spherical drupe, i of an Inch in diameter, tipped with remnants of the style, borne In cymes. Ripens In October. WOODâAbout the same as the flowering dogwood, but no uses of it are reported. DISTINGUISHING CHARACTERISTICSâThe Alternate-leaved Dogwood, also known as Blue Dogwood, Purple Doswood, Green Osier, and Pigeon-berry, may be distinguished by its alternate branching, reddish-green to dark green twigs, cream-colored flowers and dark blue fruit arranged in cymes. It does not have the alligator bark of the Flowering Dogwood and usually frequents molster habitats. RANGEâNova Scotia to Alabama, and westward to Minnesota. DISTRIBUTION IN PENNSYLVANIAâThroughout the State. Common In the portions which are well watered. HABITATâPrefers moist well drained soil. Most common along streams and other bodies of water and border of woodlands. Very toler.int of shade. IMPORTANCE OF THE StECIESâThe Alternate leaved Dogwood is of little commercial Importance. It Is very pretty and may be of value as a soil-conserver and Improver. :'i !â i il PLATE CXVII. ALTERNATE-LEAVED DOGWOOD. 1. A flowering branch, x I. 2. A fruiting l)ran<h, x h. 3. A winter twij;, natural size. 4. Terminal section of a winter twig, enlarged.

Note About Images