3. Zizia Koch. 
Glabrous perennials with both simple and ternate leaves, the leaflets 
merely crenate, not lobed. Flowers yellow in terminal solitary naked umbels 
-: the involucres of inconspicuous bractlets, the central flower of each umbel : 
nn sessile. Calyx teeth present. Stylopodium wanting.e Fruit ovoid, flattened 
[ contrary to the commissure, glabrous, lightly ribbed; oil tubes solitary in the 
sntervals, 2 on the commissural face, which is plane. 
. le Z cordata (Walt) Koch. ———>An inconspicuous qumemnaaa herb 30-60 
com. tall, the basal leaves on petioles 6-50 cm. long, the blades entire 
| 3-8 cme long, deeply cordate, or some three-foliolate, the leaflets cauahie 
the laterals obliquely ovate, the middle one oval, all very obtuse, - 
both surfaces enemianmmd bright green, stem leaves noneereee 3a5~ 
foliolate on dilated petioles 5-16 mm. long, the segnents of the lower ovate of 
the upper even obcuneate : 
NR CP OOEA BES IEE IMI OTON SE -peerere-dpap yoiow 
> 
UNDE] S pag RINSS SET puberulent at the base, the 
rays about 1 om. long. 
Infrequent in our region, occurring in open gravelly places usually in 
Vv 
the lower valleySe 
—— santa -—spling,—Hyrekofh amt ePform; near Santianne Div., 
\ 401); Harvard, sphiag—endbelod 
/ 
jf 
