74 
BOTANY. 
in tlie Sandia mountains ; October. In fruit. While some of the leaves are trifoliate, others 
on the same branch are only three-lobed, and so much resemble those of A. glabrurn that the 
species probably cannot be kept distinct.— Gray, Mss. 
Acer macropiiyllum, Pursh, FI. 1 , p. 267 ; Hook. FI. Bor.-Am. 1 , p. 112, t. 38; Nutt. Sylv. 
2, p. 76, t. 67. 
Negundo aceroides, Mcench. Meth., p. 334 ; Torr. & Gray, FL 1, p. 260 ; N. Californicum, 
Torr. & Gray, l. c.; Nutt. Sylv. 2, p. 90, t. 72. Acer Negundo, Linn. Corte Madera, April 
10, (in flower.) 
SAPINDACEiE. 
aEsculus Californica, Nutt, in Torr. & Gray , FI. 1 , p. 251; and Sylv. 2, p. 69, t. 64. Hill¬ 
sides, Sonoma, May 3, in flower ; mountains near Oakland, (leaves only.) 
yEsculus flava, Art.; Pursh, FI. 1, p. 255. On the Canadian, near the Shawnee villages, 
and Deer creek ; August. In fruit. 
Sapindus marginatus, Willd.; Gray, Gen. III. 2, t. 180. Creek bottoms, on the Upper Cana¬ 
dian ; September. In fruit. 
Cardiospermum Halicacabum, Linn. Deer creek ; August. 
CELASTRACEvE. 
Paciiystima Myrsinites, Pa/, in Amer. Month. Mag., 1818 ; Gray, PI. Fendl., p. 29. Ilex? 
Myrsinites, Pursh, FI. 1, p. 119. Oreophila myrtifolia, Nutt, in Torr. & Gray, FI. 1, p. 
259.—Sandia mountains, Hew Mexico ; October ; in fruit. Hill-sides. South Yuba, California; 
May 26. The leaves are larger than in the Oregon plant, and sharply serrate. The woody 
stem is of extremely slow growth, several annual circles being included with one-tenth of an 
inch. 
Euonymus occidentalis, Nutt. Mss. E. atropurpureus /?? Torr. & Gray, FI. 1, p. 258. 
Head of Tomales bay ; April 17. Leaves ovate, mostly obtuse, at the base quite smooth. 
Peduncles 3-flowered. Flower pentamerous, larger than in E. atropurpureus. The fruit is 
unknown. 
Celastrus scandens, Linm. Pecan creek ; August. In fruit. 
Glossopetalon spinescens, Gray, PI. Wright. 2 , p. 29, t. 12. Canons in the Llano Estacado; 
September. Without flowers or fruit. 
RHAMNACEyE. 
Rhamnus croceus, Nutt. in Torr. & Gray, FI. 1 , p, 261. Hills near Sonora, May 9; Rocky 
hills, 80 miles west of the Colorado. Leaves often green underneath. 
Frangula Californica, Gray, Gen. III. 2, p. 178 ; and PI. Wright. 2 , p. 28. Rhamnus Cali- 
fornicus, Esch.; Torr. & Gray, FI. 1, p. 263. R. oleifolius, Hook. FI. Bor. — Am. 1, p. 123, 
t. 44. R. laurifolius, Nutt, in Torr. & Gray, FI. 1. c. Hill-sides, Robinson’s ferry, Stanislaus, 
May 14 ; a variety, with larger leaves, softly pubescent on both sides ; Napa valley, May 5, 
(leaves nearly glabrous both sides, and with obtuse serratures ;) mountains near San Gabriel, 
March 23, (glabrous leaves, with acute serratures) : var. tomentella, Gray, PI. Wright. 1. c. 
Rhamnus tomentellus, Benth. PI. Hart to. p. 303. Butte mountains, near Marysville, May 25. 
A plant of very diverse appearance ; but its extreme forms pass insensibly into each other. In 
favorable situations it attains the height of 18 feet. 
Ceanothus thyrsiflorus, Esch.; Torr. & Gray, FI. 1, p. 266 ; Bot. Reg. 30, t. 38; Nutt. Sylv. 
2, p. 43, t. 57. Punta de los Reyes, April 18 ; San Francisco, April 3 ; hill-sides, Napa valley, 
April 27. A beautiful shrub, known in its native country under the name of California lilac. 
Ceanotiius sorediacus, Hook. & Am. Bot. Beech, p. 328; Torr. & Gray, FI. 1. p. 686. Hill¬ 
sides, Grass valley; May 9-19. A neat little shrub, 1-5 feet high, (sometimes prostrate,) with 
