654 



AMMIACEAE. 



Vol. II. 



I. Aegopodium Podagraria L. Goutweed. Goutwort. Herb-Gerard. 



Fig. 3167. 



A, Podagraria L. Sp. PI. 265. 1753. 



Erect, branched, glabrous, ii-2i 

 high. Basal and lower leaves long- 

 petioled, biternatc, the primary divisions 

 stalked, the segments ovate, acute, or 

 acuminate at the apex, rounded, or 

 cordate and often oblique at the base, 

 sharply serrulate, ii'-3' long; upper 

 leaves similar but smaller and usually 

 simply ternate; umbels long-peduncled, 

 ii'-2i' broad, 9-2S-rayed ; rays l' long in 

 fruit or more; pedicels 2"-4" long; fruit 

 about 2" long, scarcely l" wide, the 

 styles deflected. 



In waste places, Massachusetts to New 

 Jersey. Pennsylvania and Delaware. Ad- 

 ventive from Europe. Wild or English 

 masterwort, Ax-ashe- or aise-weed. Dwarf 

 or Bishop's-elder. Bishop's-weed. White- 

 ash-herlj. Garden^plague. Dog-eider. June- 

 Aug. 



44. EULOPHUS Xtitt.; DC. :Mon. Omb. 69. pi. 2. 1829. 



Perennial slender glabrous branching herbs, from deep tuberous roots, with ternately 

 or pinnately compound leaves, and long-peduncled compound umbels of white or pink flowers. 

 Involucre generally of I bract, sometimes none. Involucels of several narrow bracts. Calyx- 

 teeth usually prominent. Petals obovate, the tip inflexed. Stylopodium conic. Styles 

 recurved. Fruit glabrous, linear to oblong in our species ; ribs filiform, with l-S oil-tubes in 

 the intervals. Seed-face concave. [Greek, well-plumed; application not apparent.] 



About 8 species, natives of North America, extending into Mexico. Besides the following 

 typical one, 5 others occur in the western United States. 



I. Eulophus americanus Xutt. Eastern 

 Eulophtis. Fig. 3168. 



Eulophus americanus Nutt. ; DC. Mem. Omb. 69. />/. -'. 

 1829. 



Erect, 3-5 high. Basal and lower leaves large, 

 long-petioled, ternately compound into linear acute 

 or obtusish segments; upper leaves similar, smaller 

 and shorter-petioled; petioles sheathing at the base; 

 umbels terminal, 3-4' broad, the rays 6-12, very 

 slender, 2'-4' long; involucre of 1-2 bracts, or none ; 

 involucels of several narrowly lanceolate acuminate 

 bracts; pedicels almost filiform, 4"-8" long in fruit; 

 flowers whitish; fruit oblong, 2"-3" long. 



In dry soil, Ohio and Illinois to Kansas, Tennessee 

 and Arkansas. July, 



45. PIMPINELLA L. Sp. PL 263. 1753. 



Glabrous, perennial herbs, with pinnate leaves and compound umbels of white flowers. 

 Involucre and involucels none in our species. Calyx-teeth obsolete. Petals inflexed at the 

 apex. Stylopodium thick, low, broadly conic. Fruit ovate, or oblong, rnore or less com- 

 pressed. Carpels obscurely S-angled with slender equal distant ribs; oil-tubes numerous, 

 2-6 in the intervals. Seed-face flat or slightly convex. [Latin; perhaps from bipinnula, 

 i. e., bipinnate.] 



About 75 species, natives of the Old World, the following typical. 



