RANUNCULACESE. 15 
3. THALICTRUM, Tournefort. 
1. T. polycarpum, Watson. Akenes in dense heads, 2 or 3 lines long, 
2 T. occidentalis, Gray. Akenes1 to 6, 3 or 4 lines long, narrower. 
3. T. sparsiflorum, Turez. Anthers obtuse; fruit heads nodding. 
4. TRAUTVETTERIA, Fischer & Meyer. 
1. T. grandis, Nutt. Slender: leaves few, 5-7-lobed, laciniate-toothed. 
6, MYOSURUS, Linnazus, 
M. minimus, Linn. Receptacle in fruit 1 or 2 inches long, 
M. aristatus, Benth. Receptacle shorter, akenes beaked. 
3. Ml. sessilis, Watson. Flowers sessile: fruit heads 2 to 6 lines long. 
be 
6, BRANUNCULOUS, Lina. 
° Aquatic: leaves round-reniform and lobed or, when submereed, filiform-dissected. 
Petals white: akenes wrinkled crosswise, ...........2cc- eee ais noid colorants be oagiandsa sae 1,32 
Petals yellow: akenes not wrinkled.............. ccc eee seen eseceenssnescesoncs 6 
* * Not aquatic: leaves all radical: scapes naked or 12 brartenie mostly 1-flowered: 
sepals petaloid. 
Sepals white: petals minate: leaves cordate or reniform.......... seihawwlrmes aerenaelet 3 
Sepals pinkish, persistent petals pink: leaves compound...... Marais ebiemaiewesisea ees ee8 4 
** * Usually growing in wet places, 
Leaves all entire, oval or nAarrOWE?.. 1... ese eect tere e cece er sneceeeees 7, 8, 9, 10 
Leaves rather fleshy, simple or 3-foliolate; lobes rounded............ecseeeeeees 5, 12 
* * * © Not aquatic but some species growing in wet places: leaves variously divided 
or lobed, 
Alpine, tufted: leaves round-reniform to cuneate, small............00 00sec ee eeeees 11 
Some or all the leaves ternately compound: stems branching. 
Petals usually more than 6......00.c cece cece nen e were encore enc en eres cane sansas 15 
Petals; usually Bia) sjai0:22jcceoseinopaetensaiaceauraaweciswaaaneseecs 13, 16, 17, 18, 19 
aquatilis, Linn. var. heterophyllus. Sepals deciduous: receptacle hairy. 
Lobbii, Hiern. Sepals persistent enclosing the few akenes. 
hystriculus, Gray. Akenes 2 or 3 lines long, tapering ; beak hooked. 
Andersoni, Gr. Akenes bladdery, 4 or 5 lines long, 
Cymbalaria, Pursh. Akenes enlarging upward; beak oblique, 
multifidus, Pursh. Petals 5 to 8 with a large scale; beak straight. 
pusillus, var. Lindheimeri, Gr. Akenes granulate. 
Flammula, Linn. var. reptans, Gr. Akenes subglobose. 
PAMDRAR HONE 
PRR PR 
