550 BERBERIDACEAE 



Refs. — Berberis aquipolium Pursh, Fl. 1:219 t. 4, in part (1814), type loe. great rapids 

 of tlie Columbia River, Leuis : Lindl. Bot. Reg. t. 1425 (1831). Mahon.ia aquifolium Nutt. 

 Gen. 1:213 (1818). \'ar. dictyota Jepson. B. diciyoia Jepson Bull. Torr. Club, 18:319 

 (1891), tvpe loc. South Peak, Marysville Buttes, Jepson'; Fl. W. Mid. Cal. 203 (1901). Mahmiia 

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



7. B. pinnata Lag. C.vlifornia Barberry. Stems erect, stout, branching, 

 1/4 to 11/2 feet high (or even to i 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 21,4 

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

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

 dense. 



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

 JMonterey. Mar.-Apr. 



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

 Colma Caiion, San Mateo Co., Elders. 



Refs. — Berberis pinn.^ta Lag. Elencli. Hort. Madr. 6 (1803), type loc. Monterey, Cal.; 

 Jepson, Fl. W. Mid. Cal. 204 (1901). Mahonia piniwta Fedde in Engier, Jalirb. 31:86 (1901). 



8. B. nervosa Pursh. OREOoivr Grape. Stem scaly, eaudex-like, simple, i-o 

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

 long, the rachis conspicuously nodo.se: leaflets 11 to 21, bright green, ovate to 

 ovate-lanceolate, spiuulose-serrate, and somewhat palmately nerved, li'o 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 SLskiyou cos. 

 Nortliward to BritLsli Columbia. 



Locs. — Lueia to Mill Creek, Jepson; Mt. Tamalpais, Bieilctti; Stewart Pt., M. S. Baker 

 7(51; Rockport (fruiting racemes 10 in. long), Jepson; Jackson Valley, Mendocino Co., Jepson; 

 Peppenvood, Jepson; Eureka, Tracy 2016 (unbranched, 6 ft. high); Redwood Ci-eek, n. Hum- 

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

 Butler 1287%- Vancouver Isl., B. C, A. J. Fineo. 



Refs. — Berberis nervo.sa 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, 

 tlie otiier iu Pacific North America. (Greek Acldus, the god of night or gloom.) 



1. A. triphylla DC. Deer-fo(1t. Plants about 1 foot high: leaflets fan- 

 sha])ed, sinuate-dentate, 2 to 6 inclies broad. 



Woods near the coast, 100 to 2500 feet, Mendocino 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 lieadivaters, Jepson 8424; Willits, Jepson 2408; Cahto to Dehaven, 

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



Rets. — AcHLYS TRIPHYLLA DC. Svst, 2:35 (1821), type from the Northwest Coast, Menzies; 

 Jepson, Fl. W. Mid. Cal. ed. 2, 173 (1911). Leontice iriphylla Smith, Rees Cycl. 20:5 (1812), 

 type loe. Northwest Coast, Menzies. 



3. VANCOUVERIA Jlorr. & Dec. 



Low perennial herbs with slender creeping I'ootstocks. Leaves once or twice 

 ternately comjiound, all basal or nearly so. Fl,owers small, nodding, arranged 

 in an oiK-n 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. 



