TRIANDRIA, MONOGYNIA. 
23 
1. S. leaves and scape simple, and somewhat bristly, «^ueronatum; 
spathe coloured ; the odd valve ending in a long 
point. Pers* ench, 
Sxvord-pointed Blue^eyed Grass. 
From one to two feet high. Leaves long, bluish-green. 
Flowers delicate blue, smaller than in No. 2. In damp mea- 
dows of Jersey, common, Perennial. June, July. 
2. S. scape simple, winged, spathes unequal. Pers. ancepi. 
S. gramineum, Lam. and Curtis. 
S. Bermudiana, Mich. ? 
Icon. Bot. Mag. 464. 
Two-edged Blue-eyed Grass, 
A lower species than the preceding, having short leaves of 
a darker green Colour. Flowers blue, larger than No. 1. In 
fields not unfrequent, particularly on the Woodlands. Peren- 
nial. July. 
24. Heteranthera, Beauvoir, Trans. Am. Philo. Soc. 4. 
(" Narcissi. J 
spathe 2 to 4 flowered. Cor. tubular ; limb 
6-parted, segments equal. Stigma tubular. 
1. H. leaves somewhat roundish, kidney-form, renifomis. 
I acute ; spathe three or four flowered, smooth. 
I Lcptanthus reniformis, Mich. fl. amer. 1. p. 25. 
I Heteranthera acuta, Beauvois, Willd. Vahl. and 
Pursh. 
H. Peruviana, Pers. 
H. Virginica, Pers. 
ii Kidney-leaved Heteranthera. 
ill An aquatic plant, with broad kidney-shaped floating leavesj, 
and white stellate flowers. The leaves vary much in size, and 
are sometimes heart-shaped. The flowers are from two to four, 
and I have seen six, in number ; and so very evanescent, that 
they are seldom seen ; and the plant is generally supposed t© 
flower but rarely. This, however, is not the case. I was of 
that opinion myself, till I watched by the side of a muddy 
I stream, containing an abundance of the plant, from sun -rise till 
one o’clock. During this period hundreds of specimens opened 
