88 
BOTANY. 
Arthocnemum fruticosum, var. Californicum, Moq. in DC. Prodr. 13, pars 2, p. 151. 
Suisun bay, California. 
POLYGONACEiE.—-(By John Torrey.) 
Polygonum ayiculare, Linn. Dalles of the Columbia ; probably introduced. 
Polygonum amphibium, Linn. var. terrestre, Torr. FI. N. St. p. 403. McCumber’s; July 29, 
Polygonum tenue, Michx. FI. 1, p. 238. Klamath lake. 
Polygonum coarctatum, Dougl. in Hook. Flor. Bor.-Amer. 2, p. 133. 
Rumex maritimus, Linn. Marshes, Klamath lake. The specimens are scarcely two inches 
high, and yet are loaded with mature fruit. 
Rumex domesticus, Hartm. ; Hook. FI. Bor.-Am. 2, p. 129. McCumber’s ; grows in water. 
Eriogonum microthecum, Nutt. PI. Gamb. in Jour. Acad. Phil. {n. ser .) 1 , p. 162. Psuc-see- 
que creek, 0. T.; September. 
Eriogonum niveum, Dougl. in Benth. Friog. Fort Dalles, 0. T.; October 5. 
Eriogonum playum, var. crassifolium, Benth. Mss. E. crassifolium, Benth. in Hook. hi. Bor. 
Amer. 2, p. 134, t. P76. 
Eriogonum polyanthum, Benth. in DO. Prodr. Fort Reading and Hat creek? This species 
was found also by Mr. Brackenridge and by Col. Fremont in California. 
Eriogonum nudum, Dougl. in Benth. Friog. McCumber’s, N. California. 
LAURACEJE. 
Oreodaphne Californica, Nees. Tetranthera? Californica, Hook. & Am. Bot. Beech, p. 159. 
Laurus? regia, Dougl. in Comp. Bot. Mag. 2. Umbellularia Californica, Nutt. Sylv. 1 , p. 87. 
LORANTHACEiE. 
Phoradendron flavescens, var. pubescens, Engel, in Gray, PI. Lindh. 2, p. 212. Parasitic on 
AEsculus Californica, near Benicia ; July. 
Arceuthobium Oxycedri, Bieb.; Hook. Flor. Bor.-Amer. 1, p. 278, t. 99. Common on Pinus 
contorta in northern California and Oregon. 
CALLITRICHACEiE. 
Callitriche verna, Linn. San Francisco, California ; in water. 
EUPHORBIACEiE. 
Eremocarpus setigerus, Benth. Bot. Sulpli. p. 53, t. 26. Croton setigerum, Hook. Flor. Bor. 
Amer. 2, p. 141. Gravelly banks of Sacramento river, Cal. The growing plant very fragrant. 
Euphorbia maculata? Linn. Fort Dalles, 0. T.; introduced? 
NY CT AGIN ACEiE. 
Abronia mellifera, Dougl.; Chois, in DC. Prod. 13, 2 , p. 435. Flowers rose-colored, pretty. 
Shores of San Pablo bay, Cal. 
Abronia arenaria, Mem.; Chois, in DC. Prod. 13, 2, p. 435. Flowers yellow, fragrant. Sandy 
beaches, near San Francisco, Cal. 
CUPULIFERiE. 
Quercus agrifolia, Nees, in Ann. Sci. Nat. 3, p. 271. Common in Sacramento valley. 
