137 
exteiidiug southward into Tennessee {(rufthmer), Alabama, near Hunts- 
ville ( in 1840), and Missouri. 
Ammi MAjiis L., as a North American plant, rests solely upon 
4he authority of DeCanclolle, who reports it (Prodr. iv. 1 12) among 
the collections of Pylaie from Newfoundland. Martindale and 
Parker have also collected in ballast near Philadelphia. It has 
fusiform roots, pinnately divided leaves with linear or lanceolate 
serrate segments, compound mauy-rayed umbels of white flowers, 
and small oblong fruit with filiform and solitary oil-tubes. (Fig- 
KID.) 
A. VisxAGA I^., from the Mediterranean region, has been 
collected by Martindale on ballast near Philadelphia (1879), and 
also by Henderson on ballast near Portland, O regon (1887). The 
numerous rigid rays from an enlarged recaptacle becoming turned 
inwards after anthesis, in the manner of Dmictis^ make it easih' 
recognized, 
o 
c 
/ 
