POLYANDRIA DI-PENTAGYNIA. 381 



DI-PENTAGYNIA. 



247. AQUILEGIA. Columbine. 

 1. LA. 



A. canadensis : spurs straight; styles and stamens exserted; calyx 

 rather acute, longer than the petals ; division of the leaves 3-parted, 

 rather obtuse, incisely toothed. 



HAB. Rocks. April May, 'ZJ.; Jl. pend. } scarl. ext., yd. int.; fr. 

 erect. 



248. CIMICIFUGA. Black Snake-root. 



C. racemosa : leaves ternately decompound ; leaflets ovate- oblong, in- 

 cised and dentate ; racemes paniculate, elongated ; flowers with one 

 style ; capsule ovate. 



HAB. Rocky woods. June July, 7J. ; stem 4 -8 feet high; Jl. 

 white ; pet. 0. 



249. HYPERICUM. St. John's-wort. 



* Styles 3 ; stamens numerous, indefinite ; flowers yellow. 



H. perforatum : stem ancipital ; leaves obtuse, oblong, with pellucid 

 punctures; flowers paniculate ; calyx lanceolate; styles diverging. 



HAB. Fields. June Aug. 1\. ; a foot high ; branched ; anthers 

 black-punctate. . 



H. punctatum : stem terete, black-punctate ; leaves oblong-oval, ob- 

 tuse, amplexicaul ; flowers corymbed, punctate ; calyx lanceolate. 



HAB. Meadows and woods. June Aug. 1|. ; stem 2 feet high 

 branch. ; Jl. small. 



H. canadense : stem erect and straight, 4-winged ; leaves linear, at- 

 tenuate at the base, rather obtuse ; panicle elongated, dichotomous ; 

 calyx lanceolate ; styles very short ; capsule conical. 



HAB. Sandy places. June July, ; stem 6 10 in. highJlow- 

 ers minute ; caps. red. 



H. sarothra : erect, much branched above ; branches setaceous : 

 leaves minute, subulate, appressed ; flowers terminal, subsolitary ; 

 stamens few ; capsules 1-celled. 



HAB. Sandy fields. June Aug. (v) ; stem 3 6 in.^high ; leaves 

 inconspic. ; Jl. minute. 



* * Calyx of 5 equal leaves ; styles 3 ; stamens numerous t 



somewhat definite ; (9 15 18,) distinctly 

 polydelphous. 



H. virginicum : stem terete, leaves oblong, amplexicaul, punctate, 

 very obtuse, flowers pedunculate, in terminal and axillary peduncles ; 

 calyx lanceolate ; stamens mostly 9. 



HAB. Swamps. July Sept. 1|.; stem I foot high ; Jl. middle-sizea, 

 reddish. 



