250 DICOTYLEDONOUS PLANTS. 



5-cleft ; stigmas capitate ; corol tubular-bell-shaped, with the border 



small and spreading. 



HAB. Low grounds. Can. to Car. W. to Miss. June, July. 

 . .Stem hliform, twining around other plants ; parasitic. Flow 

 ers small, white. American Dodder. 



2. C. eitropea Linn. : flowers in sessile clusters ; corol 4 5-cleft, 

 without scales at the base of the stamens ; stamens 4 5 ; stigmas si in- 

 pie. 



HAB. Parasitic on flax, &c. Sch'y, N. Y. July. . Stem 

 filiform, long and climbing, leafless. Flowers clustered, pale 

 yellow or rose coloured. Introduced. Dodder. 



ORDER LXXX1V. HYDROLEACE.E. Kunth. Land. 



Calyx 5-parted, "persistent; aestivation imbricated. Corol 

 regular, monopetalous, not always agreeing with the calyx in 

 the number of its divisions. Stamens 5, inserted on the corol, 

 equal ; anthers deeply lobed at the base, 2-celIed. Ovary su- 

 perior, surrounded by an annular disk, 2 3-celled ; ovules in- 

 definite ; styles 2 or 3; stigmas thickened. Fruit capsular, 

 2 3 celled, splitting through the middle of the cells. Seeds 

 indefinite, very small ; embryo straight in the axis of a fleshy 

 albumen; radicle next the hilum ; cotyledons fiat. 



Herbs, or undcrshrubs. Leaves alternate, entire or lobed, 

 without stipules. 



1. DIAPENSIA. Linn. 



Calyx 5-parted, subtended by 3 bracts. Corol salverform ; 

 border 5-cleft, flat. Stamens 5, from the summit of the tube, 

 elternating with the segments of the corol. Stigmas 3. Cap- 

 sule 3-celled, 3-valved, many-seeded. 



Pentandria. Monogynia. 



1. D. lapponica Linn. : cespitose ; leaves spatulate, smooth ; flowef 

 terminal, solitary, on short peduncles j anthers simple. D. oltusifolia 

 Pitrsh. 



HAB. Summits of the White Mountains, N. H. June. If. 

 Stems short, diffuse. Leaves crowded, fleshy, evergreen, very 

 entire. Flmcers white. 



2. D. larbulata Ell. : leaves lanceolate-wedgeshaped, pubescent at 

 base ; flower solitary, terminal, sessile j anthers horizontal, beaked at 



. j), cuneifolia Pursh. Pyxidunthera barlvlata Mich. 



HAB. Pine barrens. N. J. to Car. May, June. If. Plant small, 

 creeping, forming dense mats ; branches assurgent, 1-flower- 

 ed. Upper leaves crowded near the base of the flower which is 

 email and white. Very abundant in New- Jersey. 



