The Flora of the Cayuga Lake Basin 207 



3. Brasenia Schreb. 

 1. B. Schreberi Gmel. (B. peltata of Cayuga Fl.) Water Shield. 



Ponds, in both calcareous and acid waters ; scarce. Aug. 



Spencer Lake; Cayuta Lake (D.) ; ditch by the Ithaca fair grounds (C. //. IV il- 

 nwrtli; 1876, D.), also in 1880 (JD.) ; Lake Como (Locke Pond, D.) ; Duck Lake. 



N. S. to Man., southw. to Fla., Tex., and Nebr., including the Coastal Plain, and on 

 the Pacific coast. Found also in Cuba and Mex., Asia, Afr., and Austr. 



4. Nelumbo (Tourn.) Adans. 



1. N. lutea (Willd.) Pers. Yellow Nelumbo. 



Well established in the cove on the north shore of Farley Point, where apparently 

 it has been recently introduced. 



Mass. to Minn., southw. to Fla. and Tex. 



49. RANUNCULACEAE (Crowfoot Family) 



</. Ovaries several-ovuled (1 or 2 in no. 7) ; fruit a follicle or a many-seeded berry; 

 calyx generally petaloid. 

 b. Petals present, nectariferous ; leaves simple or compound. 



c. Petals large, spurred ; leaves ternately decompound, with crenately lobed 



leaflets. 1. Aquilegia 



c. Petals smaller, not spurred, equaling or shorter than the sepals, frequently 

 modified, as nectaries. 

 d. Leaves ternately decompound ; leaflets incised-serrate. 



e. Flowers in long, usually paniculate, racemes ; carpels 1-2, follicular in 



fruit. 2. Cimicifuga 



e. Flowers in short simple racemes; carpel 1, baccate in fruit. 



3. Actaea 

 d. Leaves palmately 1 -compound, or merely lobed or parted. 



e. Flowers pale yellow, large; petals with a nectariferous pit on the inner 



face; leaves lobed and incised. 4. Trollius 



c. Flowers white, small; petals club-shaped, with a terminal nectariferous 

 pit; leaves 3-foliolate, evergreen. 5. Coptis 



b. Petals absent ; leaves simple. 



c. Calyx large, showy, bright yellow; leaves reniform, crenate only; flowers 



cymose. 6. Caltha 



c. Calyx small, greenish white, caducous ; leaves sharply incised-lobed ; flowers 

 solitary. 7. Hydrastis 



a. Ovaries 1-ovuled; fruit an achene. 



b. Styles not enlarged in fruit; sepals imbricated in the bud; the basal leaves, and 

 sometimes the cauline ones, alternate; plants not climbing. 

 c. Sepals and petals both present, the petals the more showy. 8. Ranunculus 

 c. Sepals often petaloid ; petals absent. 

 d. Cauline leaves all alternate, ternately decompound with crenately lobed 

 leaflets; flowers small and numerous, panicled; sepals 4 (5); achenes 

 ribbed. 9. Thalictrum 



d. Cauline leaves opposite or whorled, or appearing like a calyx; flowers few; 

 sepals large, showy. 

 e. Cauline leaves whorled, distant from the flowers, lobed and incised, or 

 ternately decompound. 

 /. Achenes ribbed; leaves ternately decompound with crenately lobed leaf- 

 lets. 10. Anemonella 

 /. Achenes not ribbed; leaves palmately incised, lobed, parted, or divided. 



11. Anemone 



