KAXUNCDLACE*. U 



3. THALICTRTTlSt, Toumefort. 



1. T. polyoarpum, 'Watson. Akenes in dense heads, 2 or 3 lines long. 



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



3. T. sparsifioruiu, Turoz. Anthers obtuse; fruit heads nodding. 



4. TRAUTVETTEBIA, Fischer & Meyer. 

 1. T. ^randis, Nntt. Slender: leaTes few, 5-7-lobed, laciniata-toothed. 



6. MYOSITRUS, Linnaeus. 



1. U. minimus, Linn. Beceptacle in fruit 1 or 2 inches long. 



2. M. aristatus, Benth. Keceptacle shorter, akenes beaked. 



3. SI. sessilis, Watson. Flowers sessile; fruit heads 2 to 6 lines long. 



6, KANUNCULXJS, Linn. 



* Aquaiic; leaves rotmd-reniform and lobed or, when submersed, Jiliform-disiecttd. 



Petals white: akenes wrinkled crosswise 1, 2 



Petals yellow: akenes not wrinkled 6 



* * Not aquatic : leaves all radical : scapes naked or IS braeteate, mostly 1-Jlowered: 



sepals petaloid. 



Sepals white: petals minute: leaves cordate or reniform S 



Sepals pinkish, persistent petals pink: leaves compound 4 



* * * Usually growing in wet places. 



Leaves all entire, oval or narrower 7, 8, 9, 10 



Leaves rather fleshy, simple or 3-foliolate; lobes rounded 5, 12 



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



or lobed. 



Alpine, tnfted: leaves round-reniform to cuneate, small 11 



Some or all the leaves temately compound: stems branching. 



Tetals usually more than 6 15 



Petals nsuaUy 6 13, 16, 17, 18, 10 



1. R. aquatilis, Linn. var. heteropliyllus. Sepals deciduous: receptacle haiiy. 



>. R. IiObbii Hiern. Sepals persistent enclosing the few akenes. 



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



i. R, Andersoni, Gr. Akenes bladdery, 4 or 5 lines long. 



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



6. R. multifiduB, Pursh. Petals 5 to 8 with a large scale; beak straight. 



7. B. pusillus, var. Ijindheim.eri, Gr. Akenes granulate. 



g. B. Flatnmu a, Linn. var. reptans, Gr. Akenes subglobose. 



