290 PRIMULA CE.-E. 



filaments connate at base. Stigma exserted. Capsule oblong- 

 ovoid, 5-valved, many-seeded. 



1. D. Meadia Linn. : scape erect, simple, smooth ; leaves oblong-ovate, 

 repandly toothed ; umbel many-flowered ; flowers nodding ; bracts nume- 

 rous, oval. 



Rocky places. Penn. to Ala. W. to the Rocky Mountains. May, June. 

 %. Scape 8 12 inches high. Flowers large, purple. 



Common American Cowslip. 



'J. D. integrifolium Mich. : leaves ovate or lanceolate, subspatulate, ob- 

 tuse ; umbel few-flowered ; flowers nearly erect ; bracts lanceolate or linear, 

 acute. 



Mountains. Penn. N. to Subarct. Amer. W. to the Miss. June. 7L 

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



Entire-leaved American Cowslip. 



3. TRIENTALIS. Linn. Wintergreen. 



(From the Latin triens, the third part ; said to allude to this plant being the 

 third of a foot high. Hook. Brit. Fl.) 



Calyx deeply 6 8-parted. Corolla deeply 6 8-parted, ro- 

 tate. Stamens 6 8. Style filiform. Capsule globose, some- 

 what fleshy, (berry,) opening at the sutures, and then 5-valved. 

 Seeds few. 



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

 lobes of the corolla acuminate. T. Europaa Mich. T. Europcea var. angua- 

 lifolia Nutt. 



Low woods. Can. to Virg. N. to Subarct. Amer. May, June. 7{.. Stem 

 6 inches high. Leaves 6 or 7 in a terminal whorl, with two or three straggling 

 ones on the stem. Flowers white, on terminal filiform peduncles. 



Chickweed Wintergreen. 



4. HOTTONIA. Linn.-Vfa.tex Feather. 



(In honor of Pierre Hotton, a professor of Leyden, who flourished in the seven- 

 teenth century.) 



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

 seated on "the tube of the corolla. Stigma globose. Capsule 

 globose> crowned with the persistent style, at length 5-valved. 

 Seeds very numerous. 



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

 the internodes and lower part inflated ; flowers verticillate, mostly in fours, 

 pedicellate. H. palustrti Pursh. 



Stagnant waters. N. Y. and Mass, to Geor. ; rare. July. %. Stem thick, 

 spongy, generally submersed. Leaves long and pectinate. Flowers whorled, 

 on pedicels, 2 or 3 lines long, small, white. Abundant near North Salem, West- 

 Chester county, N. Y. Dr. S. B. Mead. American Water Ffatiw. 



