rol'I.TKR AND UOSE — NORTH AMF^RICAN UMBELLIFERAK. 1^27 



ilhfllct--. 

 Di'iiiii. ;it 



lOIlt"" tilt' 



I tlowci-. 

 with the 



y, oviitr, 

 * iipprux- 

 oiniiiciit. 

 l)ut with 



's])»M'ially 

 Stylo- 

 (-rval>. -i 



n-iincliinj;' 



)lllC('ls of 



M-ii Tcxii> 



Fid. U. 



() ohltuiiT. 

 iiy-riiy«'(l; 



Kiii. !■-'. — SpliciuisriiKlinni ciipitcUiitiiin: d, li, x H. 



J; tyr 



111 



,'.,., riiniii.t I .riiiniiii')!: 



Tkx as: llfinpstcad, flail '2r,V,, Jiiiic 10, 1M72; near Fort Worth, Jlrvvrrhun, June, 

 IX7!I; Hood County, liiirrrluui, .\\\w, iSSL'; Xnillrii, in ISSS and 1SS!». 



Oklahoma: Huntsvillc, KingCislu'r Comity, LdKni lilniikiiii^liij,, Jinnf 5, iH'Ki; 

 Aiiadarko, Slicl'lmi 1<)7, July 17, 181H. 



41, SPHENOSCIADIUM (iniy. Pn.c. Am. Aciid. 6: :>'M. Istla. 



I'uiyx troth ohsoh'tc. Fruit tliittciiod dorsally, ciiMouto-ohoviitc, 

 liii>iit('. Cai-ix'I sti-ono-ly IliittiMU'd dorsiiiiy. sti'oii^-jy iMl>hod iit base, 

 \\iniii'(| ahovc: dorsal and 

 iiilcniiociiato wiiio-s nari'ow. 

 lulrriil hroacU'T. Stylopo- 

 (liuin small and conical (oi' 

 !lat ill llowcr). Oil tiiluvs 

 solitary in the intci'vals. 2 on 

 tlii'commissui'alsidc. Seed 

 face plane. 



Nearly simple thicl\ -rooted 

 peiciniials. with stout stems 

 •i'lalirousup tothe tomentose 

 iiiiiliel. once or twicepinnate 

 leaves witii bladdery dilated 

 petioles, no involucre, invo- 

 liici'ls of iiuuKM'ous liiKMir- 

 sctaeeoiis hractlets, and scarious white or sometinu's purjilish Howers 

 se^^ilc on an enlaro^ed r(>coptacle and forming" a compact head. 



Tyjie s))ecies. Sj>l,,iii)scliitl! uni cdjnfi Ihifiiiii (rray. 



A M-enus ot" at U>ast '1 spocit^s, l>elono-in*»' to the Sierra Nevada of Cal- 

 ifornia and adjacent Nevada, northward to eastern Oreoon and Idaho. 



This spci'lcs was niiM'sKMl muV'y Sirmmn by lU'iitliani i*c Hooker, l)ut it sccnis to us 

 t'liiiri'ly wortliy of restoration. Its intlorescenci' is very peculiar, and tlie diseovcry 

 (if line if not more additional s]ieeies eonlirius its ^'enei'ic rank. 



F(ili;iL;e <jla))rous; fruit about 5 mm. long 1. .V ('<tp'dcll(tlnm. 



l^ilia^'e somewhat sealirous; fruit about 7 mm. long '1. S. ('■iiiiijiljhliiitn. 



1. Sphenosciadium capitellatum (iray, Proc. Am. Acad. 6: oHT. ist)."). 



Fi(!. 42. 



Siliiiiiiii i-djiiti'lldtiiiii AVatsoii, Bot. King Surv. I'-'tl. 1S71. 



\ cry stout, 3 to 15 dm. hio-h; h'aves laro(> and e;lal)rous; the leatlots 

 obloiiu- to linear-lanceolate, 2.5 to 5 cm. lone-, with rather few laciniate 

 teeth or lobes, more or less entire ]>elow; umtiel eipiidly -t to 15-rayod, 

 with olobosc um])ell(>ts of sessih> ])ul)escent tlowei's hiivin^' involucols 

 of a few deciduous bractlets; rays 2.5 to 5 cm. long'; fruit cuneate- 

 olxhate. about 5 mm. lono-. 



Type locality, "in the Si<^rra Nevadii. near FJ)bett\s Pass [Ali)ino 

 County, Cal.J, by a stream, in Howcr;" collected by Bretrer; type in 

 Herb. (iray. Associated with the type in the original description is 

 Audi mm, from near Carson City, Nev., in fruit. 



