7 4 MONOECIA. POLYANDRIA. 



POLYANDRIA. 



400. CiittATOPiiYLLUM. L- Horn-wort 



dcmersum. L. In stagnant waters and slow flowing 

 streams, y. July. 

 4.01. Sagittaria. L. -Arrow-head. 



1 sagittifolia. L. In ponds and small creeks. Greenwich. 



July, white. 



2 latifolia. Willd. 

 sagittifolia. 



In similar situations, y . July — Aug. white. 



3 hastata. Ph. var. of S. sagittifolia? Tn the cedar 



swamps at Weehawk. New-Jersey, y. July. 



4 lancifoha. Willd.? In ponds near Newburgh. y. July. 



white. 



5 pusilla. Nutt. Muhl. Cat. ? 

 Alisma subulata. Mx. Ph. 



On the muddy banks of the small streams which flow into the 

 Hackensack river, N. Jersey, y. Aug. white. 



6 graminea. Mx. Ph. ? 

 graininifolia. Muhl. Cat. 



On the island of New- York. Le Conte. 



7 acutifolia. Ph. Nutt. On the muddy banks of the Pas- 

 saic river, y. Sept. white. 



402. Juglans. L. b- Walnut Hickory. 



*Juglans. L. and NuttaU. 



1 nigra. L. (Black ttf&lnut) In woods. May. 



2 cinerea. L. ("Butter-nut J 

 cathartica. Mx. f. 



In woods. Manhattanvillc and New- Jersey. May. 



3 hybrida. LC. Near where the eighth avenue intersects the 



road called Lake's Tour, about 3 miles from the city— 

 a large tree. May. 

 **Carya. MittaU. Hickoria. Raf. 



4 comprcssa. Gaert. Willd. (Shag-bark. J 

 alba. Mx. 



squamosa. Mx. f. 

 In woods. May. 



5 alba. L. Willd. (Common hickory. J 

 tomentosa. Mx. 



Woods. May. 



G amara. Mx. f. (Bitter-nutt.J In woods. May. 



7 glabra. Muhl. (Pig-nut J 



porcina. Mx. f. . 

 In woods. May. 



403. Qukrcus. L. J}. Oak. 



1 Phellos. Willd. (Willow oak. J Grows 6 miles from S. 

 Amboy, on the road to Monmouth, and about Long: 

 Branch. 



