148 NORTH AMERICAN FAUNA. [no. 16. 



Peltiphyllum peltatum (Torr. ) En^ler. Giant Water Saxifrage. 



One of the most (•onsi)icuons i»lants in tlie bottom of the Sacramento 

 Canyon, where its clusters of liiige incised roundish leaves along the 

 water's edge suggest the devil's club. It ranges along the Sacramento 

 IJiver from Just below Sisson nearly to tlie Sacramento Valley. 



Ribes amictum (ireene. 



Occurs at Wagon ('amp, along Squaw Creek, and in the bottom of Mud 

 Creek Canyon at an altitude of (),7()(> feet. (Identitied l)y Professor 

 dreene.) 



Ribes cereum J)ougi. 



Found near timberline near the head of Panther Creek, and also 

 much lower down. 



Ribes viscosissimum Pursh. 



Common near Wagon Camp and observed at other ])oints within the 

 Transition zone, i)articularly along Squaw Creek. 



Ribes klamathense Coville. 



Occurs in cool moist places in the Transition zone at Sisson. (Iden- 

 titied by F. y. Coville.) 



Cercocarpus ledifolius Nutt. Mountain Mahogany. 



Common on Sheep Ivock and thence to the southeastern corner of 

 Shasta Valley (V. Bailey), and on warm, dry slopes of the Scott 

 Mountains, where C parrifoHus also occurs. 



Fragaria bracteata Heller. Small Strawberry. 



Common on the lower sloi)es. Just below Wagon Camp strawberries 

 and i)ainted cups are so abundant as to form an almost continuous car- 

 pet under the uppermost grove of ponderosa pines. (Identified pro- 

 visionally by P. A. llydberg.) 



Fragaria chiloensis Duchesne. Large Strawberry. 



Occurs with the last a little below W^agon Camp, but is much com- 

 moner lower down, particularly near Sisson. Sisson Tavern was 

 formerly called 'IJerryvale' and is located in 'Strawberiy' N'alley. 

 Jioth names were derived from the abundance of this wild fruit there 

 in early days. (Identified ]>rovisionally by P. A. liydberg.) 



Holodiscus discolor (Pursh) Maxim. Alpine Spira-a. 



(Jommon on rocks at and a little below timberline. usually associated 

 with l'i)ius ((Ibicdidis. It is a small, fragrant bush, usually less than a 

 foot in height, and always grows among rocks at high altitudes. In 

 the Iludsonian zone it was found all the way around the mountain, and 

 was in blossom from about July L'O until September. A larger form, 

 which tlie botanists do not appear to have named, occurs lower down, 

 in the Canadian zone. It has larger, broader, and thinner leaves and 

 should be separated. 



