PRIMULACE.E. 289 



HAB. Rocky places. Penn. to Virg. W. to Miss. May, June. 

 H. Scape 812 inches high. Flowers large, purple. 



2. D. integrifolium Mich. : leaves oblong-oval, subspatulats ; umbel 

 few-flowered, straight ; bracts linear. 



HAB. Mountains. Penn. ? N. to Subarc. Amer. June. If. 

 Flowers pale blue, smaller than in the preceding. Pursh. 



3. TRIENTALIS. Linn. 



Calyx 7-pdrted. Carol rotate, in 7 segments, regular and 

 flat. Stamens 5 S. Berry dry, opening at the suture. 

 Seeds many. Heptandria. Monogynia. 



T. americana Pursh : leaves narrow-lanceolate, serrulate, acuminate ; 

 petals acuminate. T. europaa Mich. T. europcea var. angustifolia Nutt, 

 Torr. 



HAB. Low woods. N. S. N. to Subarc. Amer. May, June. 

 If. Stern 6 inches high. Leaves 6 or 7 in a terminal whorl. 

 Floicers white, on terminal filiform peduncles. 



4. HOTTONIA. Linn. 



Calyx 5-parted. Corel salver-form, 5-lobed. Stamens 

 seated on the tube of the corol. Stigma globular. Capsule 

 1-celled, globose, acuminate. Pentandria. Monogynia. 



H. inflata Linn. : stem thick, generally submersed ; scape jointed, 

 with the internodes and lower part inflated ; flowers verticillate, most- 

 ly in fours, pedunculate. H. palustris Pursh. 



HAB. Stagnant waters. N. Y. to Geor. ; rare. July. If. 

 Stem thick, spongy, generally submersed. Leaves long and 

 pectinate. Flowers whorled, on peduncles, white. Abundant 

 near North Salefm, Westchester co., N. Y. Dr. S. B. Mead. 



Water Feather. 



5. GLAUX. Linn. 



Calyx campanulate, 5-lobed, coloured. Corol none. Sta- 

 mens 5. Capsule globose, 5-valved, 5-seeded, surrounded by 

 the calyx. Receptacle rounded, marked with favulose punc- 

 tures. Pentandria. Monogynia. 



G maritima Linn. 



HAB. Marshes on the sea coast. Can. and N. S. ; rare. July. 

 21. Stem suberect or procumbent, 4 5 inches high, very leafy. 

 Leaves opposite, ovate or roundish, smooth, entire, fleshy. 

 Flowers minute, sessile, solitary, axillary, reddish-white. For 

 specimens of this plant from the vicinity of Boston, I am in- 

 debted to my friend Dr. Charles Pickering of Philadelphia. 



Slack Salt-ioort. 



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