ARACEiE. 9 



but generally distributed, though perhaps in some cases S. affine has 

 been recorded for it. 



England, Scotland, Ireland. Perennial. Summer. 



Stem varying in length, according to the depth of the water, from 

 3 to 18 inches long. The leaves ai'e very similar to those of S. affine, 

 but of not so bright a green, and a thinner texture ; the stem-leaves -svith 

 shorter and less inflated sheaths. Female flower-heads rarely more than 

 2, the lower one with a stalk ^^ to 1 inch long, the upper one sessile, 

 but frequently all the heads are sessile, or nearly so. Stigma shorter 

 and thicker than in S. afiine. Fruit-heads about }j inch in diameter. 

 Fruit olive-yellow, J- inch long, more swollen in the middle, or a little 

 below it, than in S. affine and S. simplex, and more abruptly acumi- 

 nated into a beak, which is not above J; of the length of the fruit. 

 The stalk of the fruit is similar to that of S. simplex, but shorter 

 than that of S. affine. 



Small Bur-reed 



EXCLUDED SPECIES. 



TYPHA MINOR. Sm. 



Engl. Bot. ed. i. No. 1457. 



Reported to have been found on Hounslow Heath, Middlesex, in 

 the time of Ddleuius, by Mr. Dandridge. It was also said that there 

 was a specimen in the hei-barium of the Botanic Gardens at Liverpool, 

 brought from a large marl pit, to the north of Little Crosby, on the 

 Lancashire coast in 180 L It has been reported from Kent, but the 

 plant proved to be S. angustifolia. 



ORDER LXXV— ARAOEiE. 



Perennial herbs, with tuberous rhizomes or corms or thickened 

 creeping rhizomes, and with or without stems above gi'ound. Leaves 

 alternate or all I'adical, stalked, ■with the petiole sheathing at the base ; 

 the lamina large, variously shaped, entire or pedate, or cut in various 

 ways, often cordate or hastate at the base, usually with branching 

 and anastomosing veins, or with a central midrib, from which parallel 

 veins run to the edge of the leaf, rarely with linear-lorate entire 

 parallel-veined leaves, or (in one genus) with ensiform and equitant 

 leaves. Flowers unisexual and monoecious, rarely perfect, arranged 



VOL. IX. c 



