q 19, Cicuta L. jiater Memlock. 
Glabrous perennials with globose rootstocks which are markedly 
chambered by cross partitions. Leaves irregularly twice pinnate, or some 
once pinnate, the segments oval or elliptical. Umbels subtended by 1 or more 
small subulate bracts or naked. Flowers white, the calyx teeth present, 
stylopodium flat, deltoid. Fruit snall, subglobose, flattened contrary to the 
commissure, the ribs subequal, rounded on the back, corky. Oil tubes solitary 
in the intervals, 2 on the commissural face. 
+2 
le C. vagans Greene. —twiowea> branching herbs 60-90 om. tall, 
the stems arising from a short horizontal or Vereeems usually bulbous root- 
stock 1-3 cm. in diameter inskindsdiliaonsth 
emvrenved.chambees; basa] leaves 30-650 cm. long, including the petiole which | 
is dilated only at the base, the blades mostly ovate in outline, 20-30 cm. 
on 
Hae PORT sepments with 5-5 leaflets, -the uppermost leaflets frequently 
incised, all leaflets narrowly ovate or elliptical, 3-7 cm. long, 1.5=-3 cm. 
broad, sharply and regularly toothed, sessifdl; unbels with 15-20 rays, subtended 
by an often solitary bract 5-10 mn. long, the rays 1-3 em. long in flower 
; POP ORS SOMETITI L1) LYULt g_awiwenl a strongly convex or subglobose cluster 
fe @egemi; pedicels 5-6 mn. long in fruit; @eemmmmwbreypmee calyx teeth very 
acute, membranous, .»5-.7 mie long, the petals 1.5 mm. in diameter; fruits hardly 
more than 2 mme tall, saonewhat broader, each carpel strongly convex, the ribs 
about twice as broad as the brownish oil tubes in the intervals. 
lower elevations. The roots and bulbous rootstocks are violen poisorfs to 
we animals eating them. In our region any losses would probably come from 
7 pastured stock at low elevations. The chambered rootstock permits the plant 
to be readily distinguished from other similar species with which it might be 
Frequent in lake embayments or marshes or in meadows Tend streams at 
xi ; t-olre © ead ~ og Dn os a p 
growinge ype tsken et estuary of Lake Pend Oreille by Greene on /ugust 9, 1899, 
ee 
