550 BERBERIDACEAE 



Eefs. BERBEBIS AQUIFOLIUM Pursh, Fl. 1:219 t. 4, in part (1814), type loc. great rapids 

 of the Columbia River, Lewis; Lindl. Bot. Reg. t. 1425 (1831). Mahonia aquifolium Nutt. 

 Gen. 1:212 (1818). Var. DICTYOTA Jepson. B. dictyota Jepson Bull. Torr. Club, 18:319 

 (1891), type loc. South Peak, Marysville Buttes, Jepson; Fl. W. Mid. Cal. 203 (1901). Mahoma 

 dictyota Fedde in Engler, Bot. Jahrb. 31:89 (1901). 



7. B. pinnata Lag. CALIFORNIA BARBERRY. Stems erect, stout, branching, 

 14 to l!/2 feet high (or even to 4 or 5 feet) ; leaves 2 to 4 inches long; leaflets 

 usually 7 to 13, but sometimes 5 to 17, rather crowded on the rachis, ovate- 

 elliptical to oblong, thinnish and plane, somewhat bubbly-undulate, 1 to 2 1 / 

 inches long, shining above, somewhat paler beneath, shallowly sinuate-dentate, 

 the numerous teeth prickly ; lowest pair close to base of petiole ; racemes clustered, 

 dense. 



Hill summits and slopes, mostly along the edge of thickets, Marin Co. to 

 Monterey. Mar.-Apr. 



Locs. Marin Co., Eastwood; Berkeley Hills, Jepson; Lake Merced, San Francisco, Jepson; 

 Colma Canon, San .Mateo Co., Ehlers. 



Refs. BERBERIS PINNATA Lag. Blench. Hort. Madr. 6 (1803), type Joe. Monterey, Cal.; 

 Jepson, Fl. W. Mid. Cal. 204 (1901). Mahonia pinnata Feddc in Engler, Jahrb. 31:86 (1901). 



8. B. nervosa Pursh. OREGON GRAPE. Stem scaly, caudex-like, simple, y 2 

 to 1 (or 2) feet high, bearing the leaves in a terminal tuft; leaves 9 to 16 inches 

 long, the rachis conspicuously nodose ; leaflets 11 to 21, bright green, ovate to 

 ovate-lanceolate, spinulose-serrate, and somewhat palmately nerved, I 1 /-? to 3 

 inches long; scales of the strong terminal bud % to 1% inches long, coriaceous- 

 glumaceous; racemes erect, elongated, 2 to 4 (or 6)' inches long; bracts oblong 

 to lanceolate, membranaceous ; berries blue-glaucous, 4 to 5 lines in diameter. 



Woods near the coast from the Santa Lucia Mts. to Shasta and Siskiyou cos. 

 Northward to British Columbia. 



Locs. Lucia to Mill Creek, Jepson; Mt. Tamalpais, Biolctti; Stewart Pt., M. S. Baker 

 761; Rockport (fruiting racemes 10 in. long), Jepson; Jackson Valley, Mendoeino Co., Jepson; 

 Pepperwood, Jepson; Eureka, Tracy 2016 (unbranched, 6 ft. high) ; Redwood Creek, n. Hum- 

 boldt Co., Jepson; Hupa, CJiandler 1286; Salmon Summit, Jepson; Russian Creek, w. Siskiyou, 

 Butler 1287y 2 . Vancouver Isl., B. C., A. J. Pineo. 



Refs. BERBERIS NERVOSA Pursh, Fl. 219, t. 5 (1814), type loc. Cascades, Columbia River, 

 Lewis; Jepson, Fl. W. Mid. Cal. 204 (1901). Mahonia nervosa Nutt. Gen. 1:212 (1818). 

 Berberis glumacea Lindl. Bot. Reg. t. 1426 (1831). 



2. ACHLYS DC. 



Perennial herbs with long-petioled 3-foliolate leaves and leafless scapes rising 

 from a very slender rootstock. Flowers perfect, in a short dense spike. Calyx 

 and corolla none. Stamens 9 to 13, 2 to 3 times as long as ovary, the outer dilated 

 upward. Fruit dry, indehiscent, broadly moon-shaped. Species 2, one in Japan, 

 the other in Pacific North America. (Greek Achlus, the god of night or gloom.) 



1. A. triphylla DC. DEER-FOOT. Plants about 1 foot high; leaflets fan- 

 shaped, sinuate-dentate, 2 to 6 inches broad. 



Woods near the coast, 100 to 2500 feet, Mendoeino Co. and northward. Also 

 called Sweet Leaf. Settlers on the Humboldt coast, prizing the delicate frag- 

 rance-, hang bunches of the leaves in their houses. 



Locs. Big River headwaters, Jepson 8424 ; Willits, Jepson 2408 ; Cahto to Dehaven, 

 Jepson; Redwood Creek, n. Humboldt Co., Jepson. 



Refa. ACHLYS TRIPHYLLA DC. Syst 2:35 (1821), type from the Northwest Coast, Menzies; 

 Jepson, Fl. W. Mid. Cal. ed. 2, 173 (1911). Leontice triphylla Smith, Rees CY,C!. 20:5 (1812), 

 type loc. Northwest Coast, Menzies. 



3. VANCOUVERIA Morr. & Dec. 



Low perennial herbs with slender creeping rootstocks. Leaves once or twice 

 ternately compound, all basal or nearly so. Flowers small, nodding, arranged 

 in an open panicle on a slender scape-like peduncle. Sepals 6, in 2 series, obovate, 

 petal-like, reflexed, subtended by 6 to 9 small calyx-like membranous bractlets. 

 Petals 6, ligulate, tipped with a hood-like nectar-bearing appendage, reflexed. 



