51�Թ�

Seeds not so broad as the partition, in two more or less distinct rows in each cell, at least when young; strict and very leafy-stemmed biennials; cauline leaves partly clasping by a sagittate base.

Leaves.—Alternate; sagittate; two inches or so long; smooth.

The corolla was snow-white, except for a minute, sagittate marking of bright cerise on the lower lip.

Leaves more or less sagittate; spathe green Arrow Arum, Peltandra virginica.

This belt is divided into four spaces, in each of 413 which there is a checkered, terraced pyramid pointing downward; the lower part and sides of each space is occupied with triangular and sagittate figures.