LAUBACEAE 551 



Stamens 6, closely erect about the pistil, the anther connective produced into a 

 pointed tip. Style 1 ; stigma thin, cup-shaped. Fruit a follicle. Seeds with 

 an aril. — Species 3, Pacific North America. (Capt. George Vancouver of the 

 English exploring ship Discovery, who visited San Francisco Bay in 1792.) 

 Leaflets witli cartilaginous margin; panicle beset with gland-tipped hairs; stamens glabrous 



1. V. parvifiora. 

 Leaflets not cartilaginous-margined; panicle glabrous; stamens covered with short gland- 

 tipped hairs 2. V. hexandra. 



1. V. parvifiora Greene. Inside-out Flower. Stems 8 to 20 inches high, 

 sparsely hairy, at base rusty-pilose, the panicle pubescent with short spread- 

 ing gland-tipped hairs; leaves glabrous or with rusty hairs on the petioles at 

 the forks, persisting through the winter ; leaflets thieliish, roundish in outline, 

 broadly cordate at base, with mostly closed sinus, obscurely or evidently 3-lobed 

 witli a notch at the summit of each lobe, % to IV2 inches long, frequently broader 

 than long, the margin cartilaginous and often crisped ; panicle 2i/o to 7 inches 

 long, 25 to 55-flowered ; flowers white or lavender-tinged, 4 lines long ; sepals 

 2 lines long; stamens glabrous. 



Shade of coniferous forests, mostly in the Redwood region, from the Santa 

 Lucia Mts. to Humboldt Co. May-June 5. 



Locs. — Pico Blanco, Monterey Co., Davy 7353; Big Basin, Santa Cruz Mts., Copeland 3051; 

 Mt. Tamalpais, Chemut 4' Drew; Redwood Peak; C'alistoga, Jepson; Noyo River, Charlotte 

 Soak; Cahto, Jcpsoii 1867; Grizzly Gulch, Humboldt Co., Tracy 2078; Salmon Summit, Jepson. 



Refs. — Vancouveri.\ p.\rviflora Greene, Pitt. 2:100 (1890), based on plants of the Santa 

 Cruz Mts. and Mt. Tamalpais; Jepson, Fl. W. Mid. Cal. ed. 2, 173 (1911). V. chrysantha 

 Greene var. parvifiora Jepson, Fl. W. Mid. Cal. 20-1 (1901). 



2. V. hexandra Morr. & Dec. Flowering stems 7 to 21 inches high ; leaves 

 sparingly pubescent with short scattered hairs, perishing after the maturing 

 of the fruit; leaflets thinuish, ovate to oval or roundish in outline (seldom 

 broader than long), % to ly^ inches long, cordate at base with open sinus, 

 3-lobed at apex (the middle lobe largest) ; panicle glabrous, 10 to 25-flowered; 

 flowers 6 lines long ; sepals 3 lines long ; sepals and petals pearly white ; stamens 

 covered with small stipitate glands ; ovules 3 in each cell. 



Woods, 500 to 3000 (or even 4000) feet. Mendocino Co. to Siskiyou Co. and 

 northward to Washington. Commonly in deeper shade than V. parvifiora. 

 May-June. 



Locs. — Noyo River, Charlotte Hoak ; Peppervvood, Jepson 1912; South Fork Mt., Humboldt 

 Co., Cliesnut 4' Drew; Humboldt Bay, Chandler 1162; East Fork Illinois River, Siskiyou Mts., 

 Jepson 2935. 



Refs. — V.\NcouvERi.\ HEX.VNDRA Morr. & Dec. Ann. Sei. Nat. ser. 2, 2:351 (1834) ; Jepson, 

 Fl. W. Mid. Cal. ed. 2, 174 (1911). Epimedium hexandra Hook. Fl. Bor. Am. 1:30, t. 13 

 (1829), type loc. Northwest Coast, Menzies. 



LAURACEAE. Laurel Family. 



Aromatic evergreen trrcs mid shiiibs with alternate simple leaves and no 

 stipules. Flowers perfect, regular. Petals none. Anthers opening by uplifted 

 valves. Ovary superior, 1-celled, 1-ovuled, with a single style. Fruit in ours 

 a drupe. — Genera 39 and species about 1000, all continents, often in the temperate 

 zones but mostly tropical. 



1. UMBELLULARIA Nutt. 



Flowers in simple peduneled umbels. Sejials 6. Stamens 9, the three inner 

 with stipitate orange-colored gland on each side of the filament at base and alter- 

 nating with scale-like staminodia; anthers 4-celled, 4-valved, the three inner 

 extrorse, the outer introrse. — Species 1. (Latin umbellularia, a little umbel.) 



1. U. calif ornica Nutt. California Laurel. (Fig. 110.) Tree 20 to 60 

 feet high with a dense crown of erect slender brandies, or in the chajjai'ral as 

 a mere shrub ; leaves oblong or oblong-lanceolate, entire, 2^2 to 4V-; inclies long, 

 on short petioles; peduncles in the terminal axils, 4 to 7 lines long; umbels 4 to 

 9-flowered but only 1, 2 or 3 flowers set in fruit; sepals \\'-y lines long; drupe 

 subglobose or ovoid, 1 inch long, greenish or when ripe, brown-purple. 



