140 Field, Forest, and Wayside Flowers 
parted, sometimes widely, from the ancestral type, 
but even in them the ‘‘three-by-three” plan may 
be distinguished. 
The palmettos of the Carolinas bear flowers 
much like those of grasses. 
Fic. 31.—Seed-ves- 
Ali sel of the tulip. 
Fic. 30.—A lily-flower. (ecom:the: Merceaee 
(From the Vegetable World.) World.) 
And so we come to these monocotyledons 
which, having diverged most widely from the 
primitive type, are most perplexing to the bota- 
nist,—the calla and her poor relations, and the cat- 
tail flags. 
Incredible as it may sound, the calla is not a 
flower, and the snowy ‘‘spathe’”’ which enfolds its 
