VASCULAR PLANTS OF NORTH DAKOTA 415 
543. Coreosma prostata ( L’Her.) Lunell. 
Ribes prostratum Her, Stirp. Nov. I: 3, Pl. 2, (1784). 
Turtle Mountains: Fish Lake. 
544. Coreosma americana (Miller) Nwd. Am. Midl. Nat. 
PV .60-,. (1915): 
Coreosma florida Spach, Veg. Syst. VI: 157. (1838). 
Ribes floridum l,’Herit. Stirp. Nov. 1, 4. (1784). 
Ribes americanum Miller, Gard. Dict. ed. 8. (1768). 
Peninsula of Lake Ibsen, Turtle Mountains. 
545. Coreosma tristis (Pall.) Lunell. 
Ribes triste Pall. Ribes rubrum var. subglandulosum Maxim. 
Pleasant Lake, Turtle Mountains. 
546. Coreosma longiflora (Nutt.) Lunell. 
Ribes longiflorum Nutt. Ker. Bot. Reg. 2: pl. 125. (1816). 
Medora, Sentinel Butte (Bergman). 
Family 58. SPIRAEACEAE Loiseleur Delongchamps, Man. 
Pi eindic: T- 188. (818). 
SPRRAEA. Theophrastus I: 23, Bauhin, Pinax «475. (1623); 
Clusius, Hist. I: 80. (1605), Tour. Els. 490. (1694). 
547. Spiraea alba Duroi, Harb. Baumz. II: 430. (1772). 
Spiraea salictfolia lanceolata T. & G., Fl. N. Am. I: 145. (1840). 
Pleasant Lake. 
548. Spiraea latifolia (Ait.) Borck. Handb. Forstb. 1871. (1803) 
Spiraea salicifolia latifolia Ait. Hort. Kew 2: 198. (1789). 
Turtle Mountains. 
549. Spiraea simplex Greene, Leaflets II. 157. (1911). 
Leeds, Butte. 
' 505. Spiraea Vanhouttei Zabel. Witm., Gartenzezeit. III, 
496 (1884). 
Plant under cultivation, with a self-spreading tendency. Leeds. 
Family 59. DRYADEAE Vent. abl. III. 346. Also Bartling, 
Ord: Nat. Pl. 230..(7830). 
PENTAPHYLLUM Dioscorides 4: 72, Theophastus, Hist. 
Q: 24. 
551. Pentaphyllum concinnum (Richards.) Nwd. & LIL. 
Potentilla concinna Richards., Frankl. rst Journ. 739. (1823). 
Potentilla humifusa Nutt. Gen. I, 310. (1818). 
Leeds, Butte; Dickinson (Cl. Waldron). 
552. Pentaphyllum pulcherrimum (Lehm.) Nwd. & LIL. 
_Potentilla pulcherrima Lehm. Nov. Stirp. Pugill. 2: 10. (1830). 
