GYMNOSPERMS ON STANFORD GROUNDS ABRAMS 97 



3. Picea Smithiana (Wall) Bois. Himalaya Spruce. 



Leaves spreading from all sides of the long pendulous branches, 1J4-2 

 inches long, 1/20 inch wide, sharp-pointed, light green; cones 5-7 inches 

 long, about 2 inches broad; scales firm and shiny, about % inch wide, 

 crowded into close spirals, rounded at apex. 



A common tree in the coniferous forests of the Himalaya Mountains. 

 One tree is on the west side of the Cactus Garden and two others are near 

 the Angel of Grief. 



4. Picea excelsa Link. Norway Spruce. 



Leaves spreading from all sides of the sparsely pubescent light brown 

 twigs, J^-% inches long, 1/24 inch wide, 4-sided, sharp-pointed, bright green; 

 cones 2%-5 inches long, about half as broad; scales % inch wide, their 

 exposed tips 3-sided, the 2 lateral margins oblique from a truncate and erose 

 apex. 



Native of the mountains of central and northern Europe. One tree is 

 on the west side of the Cactus Garden, and others are planted elsewhere 

 on the Campus. 



5. Picea Parryana Sargent. Blue Spruce. 



Branchlets glabrous; leaves stout, rigid, acuminate and sharp-pointed 

 with a callous tip, j^-1% inches long, or less on fertile branches, bluish 

 green, or sometimes silvery, marked on both sides with 4-7 rows of stomata; 

 staminate flowers yellow tinged with red; cones oblong-cylindric, about 3 

 inches long, pale chestnut brown and glossy; scales rhomboidal, flexuose on 

 the margins, erose at the summit ; seeds }^ inch long ; wings twice as long. 



Forest tree, 80 to 150 feet high, with a trunk sometimes 3 feet in 

 diameter. Native of the mountains of Colorado, eastern Utah and Wyoming. 

 A young tree is in Professor Durand's garden. 



6. Picea sitchensis Carr. Tideland Spruce. 



Leaves spreading from all sides of the light brownish yellow glabrous 

 twigs, green and rounded below, flat, slightly keeled and with 2 broad silvery 

 bands above, sharply acute, yi-l inch long; cones cylindric-oval, 2j^2-4 inches 

 long; scales rounded and erose at apex. 



Tree 100 to 200 feet high, with slender horizontal branches. Native of 

 the northwest coast, extending from Alaska to northern California. One 

 tree is in the Arboretum between the the Automobile road and the carline near 

 the old Sempervirens avenue. This tree was apparently identified as Picea 

 Parryana in Dudley's key. 



