PARSLEY FAMILY. 347 



Ribs with upwardly pointed bristles. 



Fruit short-attenuate at base; Involucels present .1. 0. brachypoda. 



Fruit long-attenuate at base; no involucels . 2. 0. nuda. 



Ribs acute, not bristly . 3. 0. occidentalis. 



1. O. brachypoda Torr. Kearly or quite glabrous, IJ to If ft. 

 high; leaves ternalely compound; leaflets laciniately cleft and serrate, 

 mucronulate, f to l| 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. 



Santa Clara Valley, Ooodale, ace. to Bot. Cal.; Monterey Co.; 

 Sierra Nevada. 



2. O. nuda Torr. Common Sweet Cicely. Stems glabrous, 

 2J ft. high or less; leaves hispidukus, 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, J to 2J in. long; rays 2 to 4 in. long or 

 less; pedicels 4 to 7 lines long; fruit slenderly attenuate at base, 

 upwardly bristly on the ribs, 7 or 8 lines long; seed-face sulcate. 



Common in shaded woods near the coast: Mt. Taraalpais; Oakland 

 Hills; Mt. Diablo; San Mateo; Loma Prieta; Santa Cruz. Apr.- 

 May. 



3. O. occidentalis (Nutt.) Torr. Sierra Sweet Cicely. 

 Puberulent or nearly glabrous; leaves 2 or 3 times ternate; leaflets 

 oblong-lanceolate, serrate, IJ to 3\ 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 raj's 1 to 5 in. long; pedicels 1 to 8 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: Mono Pass, Bolander; Mariposa Big Tree Road, 

 Brewer. Attributed to the Bay Region by Greene. 



7. DAUCUS L. 

 Bristly or hispid annuals or biennials with dissected decompound 

 leaves and white flowers. Umbels compound, concave, surrounded 

 by cleft foliaceous bracts and borne on long peduncles. Involucels 

 of entire or toothed bractlets. Calyx-teeth obsolete. Fruit some- 

 what flattened dorsally. Primary ribs slender, bristly; secondary 

 ribs with a single row of prominent barbed prickles. Oil-tubes as 

 in Caucalis. (Daukos, the Greek name.) 



Involucre divided into short linear or lanceolate segments; rays mostly 2 to 



6 lines long 1- i>- pusillue. 



Involucre divided into elongated filiform segments; rays 1 to 2J^ in. long. 



2. D. Carota. 



1. D. pusillus iMichx. Rattlesnake Weed. Plants commonly 

 4 to 7 in. high; stems and peduncles retrorsely hispid; leaves finely 

 dissected into linear segments; rays mostly 2 to 5 lines long, some- 

 times as much as 1 or IJ in. long, somewhat unequal; pedicels very 

 unequal, commonly 1 or 2 lines long or almost wanting; fruit IJ to 

 2 lines long. 



