ed and also coarsely toothed or incised, places, with pinnate Ivs, serrate or pin- 



of the upper Ivs crowded on the natifid Ifts, inv and involucels of num 



raches and sometimes tending- to be con- narrow bracts, and w fls: ex-teeth min- 



duplicate: rays less than 1-2" long; ute: fr flattened laterally, ovate to ob- 



bracts few or 0; bractlets several to long, glabrous: carpel with prominent 



many, lanceolate and shorter than the corky nearly equal ribs: stylopodium de- 



pedicels; fr subcylindric, 2" long pressed: sty short: oil-tubes 1-3 in the 



crowded. intervals: sds subangular, with plane 



OE. sarmentosa Californica. face. 



Co Cal north Ianee9late, sharply serrate and mostly 



Parish Zoe'l'9 acuminate, 5-13 cm long, lower Ivs some- 



, 



benantho Californ,^ S. Watson. pedicel, ^^ 



Genus OSMORRIZA Rafmesque. the commissural side. 



Cx-teeth obsolete: fr linear to linear- Abrams, Fl LA 286. Oak Knoll (Mc- 



oblong, more or less attenuate at base, Clatchie.i. 



acute above, glabrous or bristly on the S1UM ERECTUM Huds. 



ribs: carpels slightly flattened dorsally Davidson, PI LA Co 7. 



or not at all, nearly pentagonal in sec- See Berula erecta Coville. 



. ith equal ribs, thin pericarp, and SIUM HETEROFHYIiLUM Greene. 



a well defined group of strengthening Sts stout, angular and flexuose, 1 m 



cells beneath each rib: stylopodium hi; lowest Ivs with a single lamina 



sometimes depressed; sty long or short; which is rather broadly rhombic-lanceo- 



oil-tubes obsolete in mature fr (often late, serrate or laciniate-cleft, 5-20 cm 



num in young fr) ; sd-face from slightly long; petiole stout, fistulose; other Ivs 3- 



concave to deeply sulcate. Iqbed or divided and passing to the truly 



Washingtonia Raf, fide Britton. pinnate, with 2 pairs of broadly lanceo- 



OSMORHIZA BRACHYPODA Torr. } ate - acute serrate If ts ; bracts broadly 



Sts rather stout, 3-9 dm hi, pubescent lanceolate, tapering at both ends: fr 



or sometimes glabrous: Ivs ternately mm h lo a ng ' st p? n f 1 T r o e - 



compound: Ifts 2-3 cm long, acute, lacin- ( T - Ab V ams ' P1 LA - 86 - near Pasadean 



latter equaling or exceeding the fls; rays, Genus SPREXOSCIADLUM Gray. 



J; 5 iV ) l n Jn^f;,J Pe 4 di S 1; J mm I 011 ? 1 Nearly simple thick-rooted per, with 



12-16 mm long, 4 mm wide, short at- stout sts glabrous up to the tomentose 



tenuate at base, rough-bristly on the umbelf onc s e O r twice pinnate Ivs with 



very prominent ribs: stylopodium and bladdery dilated petioles, and scarious 



" im , lon . th . e former broad and w O r p'lish fls sessile on an enlarged 



somewhat depressed: sd-face very con- receptacle and forming a compact lad: 



Ca ^A earl V nc i osl & A* entral cavit >"' ex-teeth obsolete: fr flattened dorsally, 



e >> *,**? K v, * A , , ^ cuneate-obovate, hirsute: carpel strongly 



Brewer& Watson, hot Cal 1:262. Cen- flattened at base, winged above, dorsal 



TO T A - and intermediate wings narrow, lateral 



Davidson PI LA Co <. broader: stylopodium sm and conic or 



SBer Co (Parish 9&> 1945); Nevada Co. ffat in fl: oil-tubes solitary in the in- 



Washingtonia brachypoda Heller, Cat tervals. 2 on the commissural side: sd- 



isA pi 99. face plane 



nc\Vo a ? m |T'7 F s 1 ^-Kf l v SPHENOSCIADIUM CAPITELLATTTM. 

 OSMORHIZA NLDA Torr. Grav A.m ac rr 6-5S6 



Sweet cicely. Rather slender, 2-3 hi Ve?y' stout 3-14 dm hi; Ivs large and 



nore or less pubescent with spreading glabrous; Ifts oblong to linear-lanceolate. 



hairs: Ivs twice ternate; Ifts ovate. 1-2' 0.5.5 cm long, with rather few laciniate 



long, acute or pbtusish rather deeply teeth or lobes, more or less entire below; 



cleft and toothed: umbel long-peduncled, umbel equally 4-15-rayed, with globose 



-- 



--, 



3-o-rayed. naked or with sm caducous umbellets of sessile pubescent fls; 



in y a ^ ( J,, 1 " voluc ^ ls : , ra3 " S 2 ~ 3 * i n f : ped ^ bractlets few, decid: ray 2.5-5 cm long; 



eels 3-9" long: fr slender 6-7" long, 1" fr cuneate-obovate, about 5 mm long. 



broad or less, acutely ribbed; sty and Abrams, Fl LA 288. Cienega fDavid- 



stylopodium very short: the attenuated SO n) 



base 2" long: sd terete, sulcate on inner Seiinum capitellatum B & H. Gen 



face. 1-915 



v, Pac Rv R 4:93. 



Hall ' U 98 Tal1 branching per with pinnately de- 



Osmorhiza brevistylls Hooker, Fl 1:272 compound lys: fls w in compound um- 



in part t 97 bels; inv of few bracts: involucels of 



Washingtonia nuda Heller, Cat X A pi many bractlets: ex-teeth obsolete: fr ob- 



ed 1. 5. C-R Mon X A Umb 64. Hall, \? n S to obovate, flattened dorsally, gla- 



. . . , 



brous or pubescent, with rather prom- 

 inent disk: ribs winged, the lateral usu- 



Genus STUM Linnaeus. a n y broadest: oil-tubes 1 in intervals, 



:>oth per growing in water or wet 2-4 on the commissural side. 



