34 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA UNIVERSITY 
New Mexico: H. H. Rusby, No. 128, 1881. 
Merico: E. Palmer, No. 426, 1885; C. G. Pringle, No. 1578, 1887. 
) 
3. Potentilla fusca Schlecht. 
Potentilla fusca Schlecht. Linnaea, 13 262. 1839 ; Walp. Rep. 2: 28: Diet. Syn. Pi oltso: 
Potentilla comarioides fusca Lehm. Rey. Pot. 111. 1856. Walp. Ann. 2: 489. 1852. 
Potentilla Haematochrus Hemsley, Biol. Cent. Am. 1: 376 Gn part). 1880. 
Stem from a thick ligneous root, ascending, grayish-silky ; basal leaves petioled, digitately 7-folio- 
late, green above, white-tomentose beneath ; leaflets oblong, attenuate at the base, obtuse, crenate 
from the middle to the apex. Stem leaves subsessile, the upper ternate. Petals dark red, longer than 
the lanceolate acuminate sepals. 
Tt grows in mountain meadows of Central Mexico: ‘*Schiede, *Ehrenberg. 
4. Potentilla comarioides Humb. & Bonpl. 
Potentilla comarioides Humb. & Bonpl.; Nestler, Mon. Pot. 28 and 62. 1876. 
Schlecht. Linnaea, 13: 262; Kunth, Nov. Gen. & Spec. Pl. 4: 217; Seringe in DC. Prod. 2: 554; 
Sprengel, Syst. Veg. 2: 539; Lehm. Mon. Pot. 26 137; Don, Gard. Diet. 2: 556; Dietr. Syn. PIS: 
185; Walp. Ann. 2: 489; Poir. Suppl. 4: 542 ; Hemsl. Biol. Cent. Am. 1: 376. 
Potentilla rubra Willd.; Schlecht. Mag. Ges. Nat. Fr. Berlin, U2 292.26 
Tntustrations: Nestl. Monogr. pl. 4. f. 2. 
Stems ascending from a thick root, few-flowered and few-leaved, silky-canescent ; basal leaves 
quinate, appressed-pilose or glabrate above, silvery white beneath ; leaflets narrowly oblong, 3—5- 
toothed at the apex; stem leaves ternate; bractlets oblong, acutish, shorter than the ovate acute 
sepals. Petals broadly obcordate, twice as long as the sepals, dark purple. 
In the mountains of Central and Southern Mexico: *Humboldt and Bonpland ; Keer! ; 
*Schiede ; *Ehrenberg. 
5. Potentilla Haematochrus Lehm. 
Potentilla Haematochrus Lehm. Ind. Sem. Hort. Bot. Hamb. 1836: 7. 1836. 
Lehm. Linnaea, 12: Lit. 38; Knowles & Weste. Fl. Cab. & Mag. Ex. Bot. 3: 115*; Schlecht. 
Linnaea, 13: 263; Lehm. Rev. Pot. 110; Hemsley, Biol. Cent. Am. 1: 376; Dietr. Syn. Pl. 3: 185; 
Walp. Rep. 2: 31. 
Potentilla Haematochroa Walp. Ann. 2: 489, 1852. 
Intustrations: Knowles & Westc. Fl. Cab. 3: pl. 119; Lehm. Rev. Pot. pl. 39. 
Stem from a thick ligneous root, ascending, yellowish, subvelutinous and with longer, spreading or 
reflexed hairs ; basal leaves digitately 7-foliolate, petioled, yellowish, subvelutinous on both sides ; leaf- 
lets obovate-oblanceolate or broadly oblong, crenate along the whole margin, and with prominent veins 
® The asterisk indicates that I have either not seen the specimen cited, or have not verified the citation. 
