y Lomatium Rar. 
Lowest tie~.Gpmeng. esr ternete= 
compound i 
fords with perennial fleshy reots 
either globose, resembling corms or tubers, or elongated, 
of short durationyoften scarcely appearing above the groun 
scapes then appearing tufted. Leaves eP+Teus,—aithes Dernet ' / 
> Ci.etiiiLce-temate-or-ternate-then.pinaatey or appearing S-parted, the Segments 
= frequently filiform,sonetimes small, the petioles more or less dilated ana 
purplish at the base. Umbels compound,nearly or quite naked, the rays very 
unequal, the pedicels subtended by a series of small bractlets which may be 
joined at the base and are usually persistent. Flowers commonly yellow, rarely 
white or lavender with purple anthers. 
wanting, the styles very slender. Fruit Strongly flatten 
commissure, oval or oblong, t! ribs winged, 
the wings sonetines as broad as the body but usually less, the dorsal ribs 
scarcely elevated or sometimes acutely ridged. Oil tubes solitary in the 
(Cogswollia Sprenge). 
and short crowns, the former 
the annual stems 
d, the leaves and 
O Plants with elongated more or less fleshy tap roots 
4 Leaves several times dissected to form numerous small 
@ Slender segments 1-6 mn. long, .5-1 mm. wide 
4 Entire plant cinereous-pubescent with short 
ff 
“ “j curled hairs le ka q. macrocarpym 
7 
oy 
wm i.§ 
, Plants green and essentially glabrous, the leaf 
q) 8 segments sometimes scabrous 
G Margins of the dilated petioles 
papery and white; 
/O fruits 4-6 mn. long 
2eLe Sandbergii - 
(, Margins of the dilated petioles thin or membranous, 
/2 but not papery; fruits 6=14 mm. long 
“ Fruits tending to oblong, 3-4 mn. wide, with 
Hg narrow rather blunt wings scarcely .5 mme wide Selsg bicolor . 
S Fruits tending to oval, 4-7 mm. wide, the wings ; 
ig, 1-2 mme wide 4e Ly Grayi + 
2, Leaves twice or thrice sernate, or ternate and 
pinnate or sanetimes appearing 5=parted into linear, 
()¢ elliptical or oblanceolate Segments 1-5 cm. long 
or more, 1-15 mme wide 
a2 i tr Grn esac, Tees ane 
4 Ultimate segments Olunt, mos 
tly narrowed towards 
8 the base 
So In AnaMnaluin 
4 Ultimate sements acute, taperi 
* 
apbePrine 
(6 Oil tubes mostly 2 on the commissural face; 
q) /> plants of meadows at lower elevations. 
8 88S ee a 8 
{, Oil tubes mostly 4 on the commissural face, | 
_.¢ very slender; plants of subalpine mea- 
Vv _ dows, 
y ae tenuiseirnm 
— ee ° 
