<'(tri/rKK AND KOSE— NOKTll AMKKK.'AN rMUKl.Lll'KUAK. 



71 



00(1 fuco 



i>s (witli 



fil)s lU'o 



■<)W com- 



CMosoly 



liicli 1ms 

 rx, ii true 



whicli is 



Fk;. S. 

 11(1 soiuo- 

 stcin iuul 

 'oliiiccous 

 l)rtictl('ts; 

 il ()l)l()ii<:'. 



priiiuiry 



Arizoiiii. 



um, Whit- 

 iiity, J'tpir, 



.1. j.A-/;. 



irfonl lino, 

 lainl Hills 



Ml.". Ilnir. 

 ISU7; Niirlii 

 10, IWIS. 



|si»4. 



1(111, f'riiKjl'. 



•■n 





I 



Mi 

 •i 



will) 4 lilit'onii sccoiuliirv ril)s smkI thin \(M'y liard jjcriciu'i). Stylopo- 

 (liiiiii ooniciil, with styles rccur\(Ml oxer the ciirpcls. Oil tuhcs noiu*. 

 Seed face (Iccply coiiciivc. 

 Slciulcr siiujcjtii aiimuils, with leaves i)innatoly disscctcil into liliforni 



scLiniciits. iinoliicrc and inNohiccIs 

 of t"(>w small hi'acts. and white 

 llowers in few-rayed nniltels. 



'I'ype species. /,'. ilicnccii IloHin. 

 1. e.. of JMirope and the Orient. 



A eroiip of T) species, 4 of 

 which are distributed throuehout 

 Kui'ope and Asia, and a sinyle one 

 in North Aiiieriea, almost entirely 



Fk;. '.•.— Uil'iini iniicriciiiiii: n.h, • i;. 



aterally, 

 . Carpel 



resti'icted to the dry plains of Texas, 



i. Bifora americana ( 1 H ". ) Watson, liiltl. Index 41;"). l.sTs. Fig. \). 



MrniKi aiiii riciiiHt !)( '. Coil. .Mc'iii. 5: TLjiLIS. Isi'll. 

 Aiiiilrii/ii itiiii lifiiiiiiiii Kuiitzr, \li'\. (icii. I'l. 1: L'dl. ISill. 



Stems ;> dm. ()!■ more hiyh. hi'anchinii' al>ov(\ umlxds 5 to S-i-ayod; 

 niys I'J to is mm. lonj^': pedicels about '2 nnn. lony; fruit '.\ nun. lony', 

 .") mm. broad. 



Type locality, "pivs de la riviere Konev:"" eoUcctcHl by X\iit<iU^ 

 t\pe in Kerb. I)('.. du[)licat(> in Ilei'l). Pliilad. Acad. 



Dry ni-()iind, throue-hout Texas, and extending;' into the l)orders of 

 Indian Tei-ritory and probably Arkansas. 



Sjti riiiii II.'' I .I'liiiiiiii'd : 



Tkxas: l.iiiilliiiiiiii' M)'^, in 1S4()-1S4S; Nnocos rofrion, Wrir/Jif llOS, in 1S51; I'.nr- 

 Inii, ////// I'tiL'. ;Miiy L'o, 1S7L*; iieiir Ihillas, UrnrclKni .'{7-1, :May, 1S7!I; (;illcsi)ie 

 County, .liriinj I.'!!*; near San Saliin, Sntlliii l.")(), ,Iuly. iS'.tO; lirazos County, 

 Ikiirij, Junci*. ISill; Korr ('uunty, IhlUr Kj.")!), :May 14-l.'l, 1SU4; Iiuliiytry, 

 II'(n':/..(r. May, lS«ir>. 

 Iviii \N Tkkkii'okv: Ni'ar CaiMo, Sluiihin 41, .lune L'(», IS'.il. 



Foi' introduced spin-ies see i)ae-(; 252. 



10. APIASTRUM Xutt. in 1\)rr. & (Iray. Fl. 1: ()4:5. 1S40. 



( idyx teeth obsolete. Fruit ovate or cordate, with obscure or obso- 

 lete libs, more or less tubereulate, C ar- 

 |)el with thin pericarp and no strenu'th- 

 eninu- cells. Stylopodiiim minute and 

 depi'essed, with short style. Oil tubessoli- 

 tary in the intervals and beneath the ribs, 

 2 on the commissural .side. Seed face nar- 

 rowly concave or sulcato. 



Very slender smooth ])ranchinf; (some- 

 what dichotomouslv annuals), with lin(dy dissected loaves having tili- 



Fui. 10.— Apinstrnin viiU'iis; 

 ((. X 10; h. :■: V2. 



