292 UMBELLIPERAE. 



on the fruit tipped with :i reduced subulate and hooked bristle.; otherwise like 

 S. tuberosa. — Summit of Mt. Diablo, Greene, June, 1892. 



5. SCANDIX L. 

 AntiiKils with dissected decompound leaves. Flowers white, polygamous, in 

 compound umbels. Staminate Sowers with stamens and green disk, and occa- 

 sionally with short styles; pistillate flowers with long styles, purple disk and 

 no stamens. Rays commonly 2, rarely I or 3. Involucre none or of one bract. 



Involucels of several bract lets. Petals unequal, the outer larger. Fruit Linear, 

 flattened laterally, muricate, prolonged into a beak several times longer than 

 tin 1 body. Ribs prominent. Oil-tubes none. Seed-face sulcate. (The Greek 

 name.) 



1. S. pecten-veneris L. Shepherd's Needle. Erect, simple or branching, 

 5 to 16 in. high, somewdiat hispidulous; leaves 2 or 3 times pinnately dissected 

 into linear acute segments less than % line wide; bractlets 2 or 3-toothed at 

 apex or entire; rays ^ to 1 in. long; pedicels very short; body of fruit 4 lines 

 long, bearing a straight flatfish beak 1% in. long, its edges hispidulous. 



Naturalized from Europe: Napa Valley; Sonoma Valley; Santa Eosa; Olema 

 (1910) ; Berkeley. 



6. OSMORRHIZA Eaf. Sweet Cicely. 



Perennials with thick aromatic roots. Leaves mostly radical and ternately 

 compound. Flowers white, in compound umbels. Calyx-teeth obsolete. In- 

 volucre reduced or obsolete. Involucels present or none. Fruit linear or linear- 

 oblong, acute at summit, rather prominently attenuate at base; glabrous and 

 smooth or bristly along the ribs; carpels pentagonal in cross section, with 

 equal ribs. Oil-tubes none in mature fruit. Seed-face concave to very deeply 

 sulcate. (Greek osme, odor, and rhiza, root.) 



1. O. nuda Torr. Common Sweet Cicely. Stems glabrous, 2% ft. high 

 or less; leaves hispidulous, especially on the petioles, biternate, 5 in. long, the 

 cauline much reduced; leaflets ovate or elliptical, 3-lobed or -cleft and serrate, 

 often narrowly or broadly cuneate at the entire base, y 2 to 2*4 in. long; rays 

 2 to 4 in. long or less; pedicels 4 to 7 lines long; involucels none; fruit slen- 

 derly attenuate at base, upwardly bristly on the ribs, 7 or 8 lines long; seed- 

 face sulcate. 



Common in shady woods near the coast: Napa Valley; Mt. Tamalpais; 

 Berkeley; Mt. Diablo; San Mateo; Santa Cruz. 



O. brachypoda Torr. Erect, iy-2 to 1% ft. high, nearly or quite glabrous; 

 leaves ternately compound; leaflets laciniately cleft and serrate, mucronulate, 

 % to lVi in. long; umbel 1 to 4-rayed, rays 2 in. long; pedicels 1 line long; 

 involucre mostly absent; involucels of linear acuminate bractlets; fruit 7 to 

 9 lines long, the ribs armed with bristles pointed upward; seed-face deeply 

 concave or even involute. — Sierra Nevada; Monterey Co. (ace. Bot. Cal.). 



O. occidentals (Nutt.) Torr. Sierra Sweet cicely. Puberulent or nearly 

 glabrous; leaves 2 or 3 times ternate; leaflets oblong-lanceolate, serrate, l 1 -_, to 

 .". ' i in. long, some of them sparingly incised or obliquely lobed on one side by 

 a deep incision toward the base; umbel with 5 to 12 rays 1 to 5 in. long; 

 pedicels 1 to ."» lines long; bracts 1 or 2 or none; fruit 7 to 12 lines long, 

 glabrous, with prominent acute not bristly ribs; seed-face very concave. — Sierra 

 Nevada; attributed to the Bay region by Greene. 



7. DAUCUS L. 

 Bristly or hispid annuals or biennials with dissected decompound leaves and 



