80 



RANUNCULACB2B. 



3. TTTAT.TnT-R.TnW, Tournefort. 



1. T. polycarpuxn, Watson. Akenes in dense heads, 2 or 3 linea long. 



2. T. occidentalis, Gray. Akenes 1 to 6, 3 or 4 lines long, narrower. 



3. T. eparsiflorum, Tnrcz. Anthers obtuse; fruit heads nodding. 



4. TBAT7T VETTEBI A, Fischer & Meyer. 

 1. T. grandis, Nutt Slender: leaves few, 5-7-lobed, laciniate-toothed. 



6. MYOSTJBTJS, Linnaeus. 



1. M. minimus, Linn. Receptacle in fruit 1 or 2 inches long. 



2. 1C. aristatus, Benth. Receptacle shorter, akenes beaked. 



3. M. sessilis, Watson. Flowers sessile: fruit heads 2 to 6 lines long. 



6. BANTJNCTJLUS, Linn. 



Aquatic; leaves round-rcniform and lobed or, token submerged, filiform-dissected. 



Petals white: akenes wrinkled crosswise 1, 2 



Petals yellow: akenes not wrinkled 6 



* * Not aquatic : leaves all radical : scape* naked or 1-S bracteate, mostly 1- flowered: 



sepals petaloid. 



Sepals white: petals minute: leaves cordate or reniform 3 



Sepals pinkish, persistent petals pink: leaves compound 4 



* * * Usually growing in wtt places. 



Leaves all entire, oval or narrower 7, 8, 0, 10 



Leaves rather fleshy, simple or 3-foliolate; lobes rounded 6, 19 



* * * * Not aquatic but some species growing in wet places: leaves variously divided 



or lobed. 



Alpine, tufted: leaves round-renifonn to cuneate, small 11 



Some or all the leaves ternately compound: stems branching. 



Petals usually more than 6 15 



Petals usually 6 13, 16, 17, 18, 19 



1. B. aquatilis, Linn. var. heterophyllus. Sepals deciduous: receptacle hairy. 



2. B. Lobbiij Hiern. Sepals persistent enclosing the few akenes. 



3. B. hystriculu , Gray. Akenes 2 or 3 lines long, tapering ; beak hooked. 



4. B. Anderson!, Gr. Akenes bladdery, 4 or 5 lines long. 



6. B, Cymbalaria, Pursh. Akenes enlarging upward; beak oblique. 



6. B. multifidus, Pursh. Petals 5 to 8 with a large scale; beak straight 



7. B. pusillus, var. landheixneri, Gr. Akenes granulate. 



a. B. Flammu] a, Linn. var. reptans, Gr. Akenes subglobose. 



