S50 PENTANDRIA DICYNIA. 



h 



|nanj leaved, linear, uncfjiial. Calyx veiy small, 5 toothed. Pe^a/s 

 ovate, acute, white, with the point incurved. Filaments as long as 

 the petals. Anthers erect, purple. Germ inferior, ovate, furrowed. 

 Styles short, thickened at base by a gland. Seeds llat on one side, 

 witli 4 fyrrows on the convex side. 



Grous every where In wet and bogsy soila. 



Flowers May—June. 



S. COSTATUM. E, 



^ A. niajiiscLiliim; caiile I Plant large ,• stem sini. 

 inferne simplici ^ foliis ca- pie below ; leaves capii, 

 pillaeeo-multipaitltls, la- | laiy, many parted, seg. 



subve 



only verticil 



minibus costatis. E. | late ,- seeds ribbed 



Annual.? Stein 4-5 feet high, branching towards tlie summit, 

 Slightly angled, glabrous. Leaves very compound ; each leaflet many 

 parted to the base, as if vertlciilate. Umbels terminal, luv"c. Uni- 

 Tersa mvohcrum many leaved (10^12), about half as long as the 

 umoel, many parted ; partial invoiucriim many leaved, leaves as long 

 as the pedicels, with a few segments. I'etals acuminate. Mtheu 

 rose coloured. Seeds glabrous, with 5 elevated ribs. 



1 Have lound it diflicuit to mark the limits betvveen this and the 

 precedin|r species, difference in size forming the most obvious distinc- 

 iion. 1 Jus variation, however, does not arise from soil, for both grow in 

 -rjver sNfamps. The A.capillaceum is a vernal plant- spreading and 



\lt^ ?["'r"S ^ ^^""^ ''•Sh' *'^^^' ^" autumnal plant, erect and tall. 

 W»^^ the leaves are larger and more divided, the calyx and corolla 

 iargei,with the petals acuminate, and the seed, which in the former 



«nf 'I'^'f ^^°'*'^ furrovved, in this are 2 or 5 times as large, and 

 so deeply furrowed as to be ribbed and almost winged. 



Mount 



mar 



Flowers October— November, 



SELINUM. Gen.pl. 



I'mdus ovali-oblongiis, | Fniit oval oblong, c^ 

 compresso.planus,inme- pressed, flat, striate in 

 dio striatus. Involucvum \ middle. Involiicrum 

 reflexum. Petala corda- fleeted. Petals cord 

 ta, aequaiia. Calyx in- equal. ' Calyx entire. 



4 



