TR I ANURIA, MONOGYN1A. 



1. S. leaves and scape simple, and somewhat bristly, niucronttum; 

 spathe coloured ; the odd valve ending in a long 



point. Pers* etich. 



Sword-pointed Blue-eyed Grass. 



From one to two feet high. Leaves long, bluish.grecn. 

 Flowers delicate blue, smaller than in No. 2. In damp mea- 

 dows of Jersey, common. Perennial. June, Jul/. 



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. 



'2it. Heteranthera, Beauvois. Trans. Am. Phiio. Soc. 4. 



f Narcissi. J 



Spathe 2 to 4 flowered. Cor. tubular ; limb 

 6-parted, segments equal. Stigma tubular. 



1. H. leaves somewhat roundish, kidney-form, reniforau. 



acute ; spathe three or four flowered, smooth. 

 Leptanthus reniformis, Mich. fl. amer. 1. p. 25. 

 Heteranthera acuta, Beauvois, Willd. Vahl. and 



Pursh. 

 H. Peruviana, Pers. 

 H. Virginica, Pers. 



Kidney-leaved Heteranthera. 



An aquatic plant, with broad kidney-shaped floating leaves, 

 and white stellate flowers. The leaves vary much in size, and 

 arc 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 

 stream, containing an abundance of the plant, from sun-rise till 

 One o'clock. During this period hundreds of specimens opened 



