i66 UMBELLACEAE (CARROT FAMILY) 



JJ. Involucre bracts conspicuous. U. — {Gk. taenion = a, ha.nd ; pleuron = 

 a rib; referring to the wide ribs o£ the carpels.) Taeniopleurum howellii 

 GG. Stylopodium flat or none. 



K. At least the lateral ribs thick, and corky. 



L. Plants in water or very wet places; dorsal ribs of the Carpels filiform. 



W. C. — (Gk. oinos = wine, anthos = a flower; some species were used 



for scenting wine.) Oenanthe sarmentosa (water celery) 



IiL. Plants of rather dry soil; dorsal ribs of the carpels prominent and 



corky. 



M. Ribs of the carpels much wrinkled when old; involucre none; fruit 



3 mm. long. E. — (Gk. rhysos = wrinkled, pteron = a wing; referring 



to the fruit wings.) Rhysopterus plurijugus 



MM. Ribs of the carpels not wrinkled; involcre present; fruit not over 



2 mm. long. W. — (Greek name for some plant of this family.) 



Ammi visnaga (toothpick plant) 

 KK. Ribs obscure or none. E. — (Honor of Mr. Leiberg, an American 

 botanist.) Leibergia orogenioides 



FF. Flowers yellow; stylopodium flat or none. 

 N. Ribs of the carpels conspicuously winged. E. — (A modification of Thapsia, 

 a related genus.) Thaspium aureum (golden meadow parsnip) 



NN. Ribs of the carpels filiform. E. — (Honor of I. B. Ziz, a Rhenish bota- 

 nist.) Zizia cordata (heaet-leaved Alexanders) 



GROUP 4 

 A. Stylopodium conic. 

 B. Fruit round; carpels globose; carpel ribs very slender, inconspicuous. W. E. 

 — (The Latin name of the Water Cress.) Berula erecta 



BB. Fruit ovate or oblong. 

 C. Ribs of the carpels prominent, equal. 

 D. Umbel i5-2S-rayed; fruit oblong to ovate; carpels flattened laterally if 

 at all. — (From the country Liguria where garden Lovage was first found.) 



Ligusticum (lovage) 

 DD. Umbels 5-1 2-rayed; fruit oblong to hnear; carpels slightly flattened dor- 

 sally if at all. — (Honor of George Washington, the first President.) 



Washingtonia (sweet cicely) 

 CC. Ribs of the carpels filiform or almost none. E. — (Gk. eu = well, lophos = 

 a plume; apparently referring to the plumelike leaves.) Eulophus bolanderi 



AA. Stylopodium flat or none. 

 E. Seed face sulcate or decidedly concave. 



F. Carpels flattened dorsally. E. — (Gk. aulos = a tube, sperma = a seed; 

 apparently from the many oil tubes in the fruit.) Aulospermum glaucum 



FF. Carpels terete. — (Probably in honor of O. Drude, a European botanist ; 

 Gk. phyton = a plant.) Drudeophytum 



EE. Seed face plahe or but slightly concave. 



G. All of the ribs of the carpels conspicuously winged. 



H. Plant of the seashore, tomentose; wings of the carpels corky-thickened. 

 W. — (Possibly Gk. glenos = a thing to stare at, because it is so woolly.) 



Glehnia littoialis 



