470 TETRANDRIA TETRAGTNIA. MijriophijUutn. 



integument. — Ejiihri/o as long as the perisperm, straight, inverse. 

 Cotyledons oval, Meshy. Pluinula Ivvo-Iobed. Radicle luimdish, 

 superior. 



Obs. Since I first described tliis tree, and onlv fvonj plants that 

 were completely lierniaphrxlile I iiave f «iiiil some plaut-i peilectly 

 male, and others as completely ieniale. In this plaal, therelore, we 

 have another instance of Trioicotrs Polvgamv. 



From the sensible qualities of the green parts of tliis p!a(it, being 

 somewhat foetid, and simply, though intensely bitter, it promises to be 

 as good an antedysenterical medicine as Bruce ■'i Ahi/ssv/iau ll'ooj^ii/O'i 

 Itself. As sooa as the plants arrive at greater niaiuritv the bark 



shall be tried, and compared with Angustura bark which iias by 

 some been thonglit that of Brucea aiited:/seiiU'iica of Brure's TiU' 

 vels, Sec. vol. V. p. 69. also of /. -F. Miller, Tab. 23. and still belter 

 described and figured by L. Ileritier under the name Brucea fen u- 

 ginea, Stirp. Nov. 19- t. 10. See also Linn. Sp. PL ed. Will. iv. 74'i. 



MYRIOPHYLLUM. Schreb. Gen. N. 1440. 



Calyx four-parted. Co/o/ four-petalled. ^fi/leU'M\€.\ stigmas 

 four. Seeds four, naked, Embri/o inverse. 

 1. M. telrandruin, R. 



Leaves verticilled, all Iiliform-pinnatilid. Flowers axillary, verti- 

 cilled, tetrandrous. Cali/x four-leaved. 



Compare wilji Ilottonia sessiliflora, Linn. Sp. PL ed- fVil'd. i. 8 IS. 



Teling. Neerla-pamaruni. 



It grows in sweet water; appearing during t!ie rains. 



Stems round, articulate, spongy below ihe water, length various, 

 above the water from four to six inches, about the thickness of a 

 crow-quill. — Leaves \erticilled, pinnatitid, below the wattr they 

 are much larger, with cajjillary segments; above the water they are 

 small. — Flowers very small, white, verticilled, i. e. one in the axil of 

 each leaf. — Calt/x above, four-leaved; leaflets perniauent. — Petals 

 four, ob^ov\^,— Filaments shorter thau the petals. 



