22.52n vwisorba Le Burnet, 
early glabrous or sisbrous herbs with chiefly basal pinnete leaves, 
end. stort reststreeke, 2<lo crs small, numerous, in dense cylindrical spikes) 
on clongated »~eduncles, »erfect or unisexual, Calyx 4eparted, the tube 
1aaped, contracted at the throat, the sevals vetal-like, scsriouse> 
marcined, deciduous. fFetals none. Stamens 2? or S» Pistil 1,. the stvles 
terminal, sruit an echene, enclosed in the persistent calyx-tube, 
O Leaflets 1-2 em, long, pinnetely divided; svikes 1+3 em, 
4 long le S. annua | 
OS _—_ 
StS ceo em. lons, serrate; svikes 5-8 en, long Ze Se sitchensis | 
snovnenmmenerabieiackaee ne 
1. S. snnua tuct. A leafy erect annual, 20-40 em. tell, with a stout 
f. L ie Vey ae ay y ee aA ‘be om ~* — s) ae = 
vap=-root, the stem branchins leaves 4-12 om. long 
oblanceolate, 
she learlcts obovete-oblonz, somewhat oblicue, 1-2 cm, long, innately 
the midrib into 9-15 narrowly oblon: scpments, 4-10 m, 
as 
long, searccly 1 mm. wide, obtuse, the midrib sporingly villous; 
leo cm. long, 7-S 11. wide, on ocauneles 2-3 en, lone; calyx-lobes 2-2,5 rm, 
4 spot ae 1 a4 one hy a hay } — yA A Z 
prosdly ovate; stamens 43 stigmas brushlike; achene brovm, ovoid, & 
me long, 4-anrled, minutel: vitted on the faces. (Poterium annuum Nutt.) 
A weedy olant accearing in oven and waste vlaces at low elevations 
abunucat locelly but not vory freonent., thetuna hills, S000 ft.3 forks of 
1 Fae i a) OU cr al fate 
Wer HEL Les tteg UviloO Le 
