86 DUDLEY MEMORIAL VOLUME 



Leaves lanceolate to ovate. 



Leaves lanceolate; spiny tip of scale about ^ inch long. 



Leaves 2-ranked, dark green; scales nearly as broad as long, bract and 



scale distinct toward the apex. 1. A. Bidwillii. 



Leaves spreading from all sides of the branches; scales over twice as 

 long as broad, bract and scale completely united. 



2. A. braziliana. 

 Leaves broadly ovate, concave, stiff and very spiny-tipped; spiny tip of 



scale \ l /2 inches long. 3. A. imbricata. 



Leaves awl-shaped; bark exfoliating. 4. A. Cunninghamii. 



1. Araucaria Bidwillii Hooker. 



Leaves narrowly ovate-lanceolate, flat, rigid, sharp-pointed, dark green 

 and shiny, those on the branches twisted and 2-ranked, 1-2 inches long; cones 

 ovate-globose, 8-10 inches long; scale and bract distinct above the middle, 

 free part of scale fy inch broad; bract 2 inches long, nearly as wide, thin, 

 sharply and very prominently keeled at apex, terminated by a reflexed linear- 

 lanceolate spine, 24 inch long. 



A forest tree 100 to 150 feet high. Native of the Brisbane Mountains, 

 Australia, where it is known as the Bunya-Bunya. A large tree is on the 

 grounds of the Stanford Residence, and smaller specimens are near the 

 Mausoleum Avenue and in Encina Garden. 



2. Araucaria braziliana Rich. 



Leaves linear-lanceolate, tapering to a spiny tip, flat, straight, spreading 

 from all sides of the branches, rather pale glaucous green, 1-2 inches long; 

 cones globose, 6-8 inches long; bracts and scales completely united and in- 

 distinguishable, wedge-shaped and somewhat 4-sided, 2 inches long, Y^ inch 

 broad, terminated by a linear-lanceolate spine, J^ inch long. 



A tree 75 to 100 feet high. Native of southern Brazil. Two small 

 trees are between the Cactus Garden and the Mausoleum. 



3. Araucaria imbricata Pavon. Monkey Puzzle. 



Leaves broadly ovate, closely set and spreading from all sides of the 

 branches, straight, concave, rigid, very sharp-pointed, 4-1 inch long; cones 

 globose, 6-8 inches long; scales wedge-shaped, 2 inches long, about 1 inch 

 broad, terminated by a slender subulate spine 1^2 inches long. 



A forest tree, often 100 feet high, forming extensive forests in the 

 Andes of southern Chili. A good specimen is on the Mausoleum lawn, and 

 other smaller trees are on the Campus. 



