AMMIACEAE. 



275 



1. A. Petroselinum 

 '2. A. peregrinum. 



4. APIUM [Tourn.J L,. 



Annual or biennial herbs, with 1-3-pinnate leaves, and yellow or yellowish 

 flowers in compound umbels. Calyx-teeth obsolete. Stylopodium short-conic. 

 Fruit ovate. Carpels with 5 filiform ribs. Oil-tubes solitary in the intervals, 

 2 on the eommissural side. A genus of 5 European species. Type species: 

 Apium Petroselinum L. 



Segments of basal leaves cuneate-obovate, deeply incised. 

 Segments of basal leaves rhombic-obovate, dentate. 



1. Apium Petroselinum 



L. PARSLEY. (Fig. 297.) 

 Usually biennial, l-3 high, 

 glabrous. Leaves bipinnate, 

 the segments ovate to cune- 

 ate-obovate, incised, or those 

 of the upper leaves linear- 

 oblong and entire ; umbels 

 peduncled, l'-2i' broad, 15- 

 20-rayed; pedicels about 1J" 

 long; involucre of 2-4 linear 

 bracts; braetlets of the in- 

 volucels subulate ; flowers 

 yellow; fruit glabrous, about 

 2" long, the ribs prominent. 

 \Petroselinu m sativum 

 Hoffm. ; P. hortense Hoffm.] 



Extensively grown for ex- 

 port. Locally naturalized in 

 moist grounds and shaded situ- 

 ations. Native of Europe. 

 Flowers in spring and sum- 

 mer. Reade erroneously de- 

 scribes the flowers as white. 



2. Apium peregrinum (L.) Crantz. 

 WILD PARSLEY. (Fig. 298.) Similar to the 

 preceding species, branched, glabrous, 2 

 high or less. Segments of the petioled basal 

 leaves rhombic-ovate, 4"-7" long, 3" 4'"' 

 wide, acute or acutish, serrate or somewhat 

 incised; segments of the nearly sessile, few 

 and distant upper leaves much narrower ; 

 umbels, involucre and involucels similar to 

 those of A. Petroselinum, but the flowers 

 yellowish; fruit about 2" long. [Ligusticum 

 peregrinum L.; Petroselinum peregrinum 

 Lag.] 



Rocky hillsides, St. Georges Island, 1908. 

 Introduced. Native of southern Europe. Flow- 

 ers in spring. Erroneously recorded as Pirn 

 liincUa Anisum L. (Proc. Acad. Nat. Sci. Phila. 

 1909: 489). 



