98 



DESCRIPTION OF SPECIES 



I. P. MoutaUj Sims 



Sims in Bot. Mag., T. 1154; DC, Prodr. i, 65; Anders. Mon., No. i.— 

 Stems shrubby, copiously branched. Leaflets entire at the base, often cut 

 in the upper part into oblong acute segments, glabrous on both surfaces, 

 moderately firm in texture, not at all decurrent on the rachis. Flowers very 

 large, very various in color ; carpels small, numerous, densely pilose ; disk 

 produced into a cup enveloping the base of the carpels. 



2. P. Wittinaniaua, Stev. 

 Stev. in Amn. Sc. Nat., 3, XII, 374; Boiss., Fl. Orient., i, 97; Bot. Mag. 

 T. 6645.— Stems one-headed; lower leaves biternate, with usually not mere 

 than three segments in each division; leaflets tliin in texture, often i^/S to 2 

 inches broad, ovate, acute, dark green and glabrous above, hairy below. 

 Peduncle short, sepals unequal, orbicular, the longest more than one inch 

 long. Petals orbicular, yellowish-white, two inches long. Filaments longer 

 than the small anthers. Carpels in the type glabrous, with a small ligulate 

 spirally-curved stigma. 



3. P. obovata, Maxim. 



Maxim. Prim. fl. Amur. p. 29; P. oreogeton, S. Moore, in Journ. Linn. Soc. 

 XVI. 376. 



Stems glabrous, about 2 ft. long, lower leaves not more than biternate, 

 three thin leaflets, glabrous on both sides, oblong, acute, reaching 3 in. long, 

 i^ to 2 in. broad, all deltoid at the base, the leaflets not more than 9 to a 

 fully developed leaf. Peduncle short, reflexing unequal, sepals an inch or 

 more long ; corolla red-purple, as large as in P. officinalis. Carpels 2-4, 

 arcuate, glabrous, i inch long, ^ inch in diameter ; stigmas small. 



4. P. albiflora, Pallas 



Pallas, Fl. Ross., 11, T. 84; Anders., Monog., No. 2; DC, Prod, i, 65; P. 

 ediilis, Salisb., in Parad. Loud., T. 78. 



Stem •2-3 feet long, entirely glabrous, often branched and bearing from 

 2 to 5 flowers. Leaflets often confluent at the base, oblong, acute, reaching a 

 length of 3-4 inches and a breadth of 1-1J/2 inches, quite glabrous, a deeper 

 brighter green than in the other kinds, often colored at the edge, and the 

 veins also red ; lower leaves with about five segments in each of the three 

 divisions. Peduncle more produced than in officinalis, with often a large 

 simple leaf a little below the flower, and i to 2 large foliaceous acute center 

 sepals. Petals as large as in officinalis, very various in color, usually white 

 or pink. Carpels often 3 to 4, ovoid, arcuate, glabrous, under one inch long, 

 with small spiral stigmas. 



5. P. Brozvnii, Dougl. 



Dougl., in Hook. Fl. Bor. Amer., i, 27; Brewer and S. Wats, Fl. Calif., i, 

 13; P. californica, Nutt; Torrey and Gray, Fl. N. Amer., i, 41. 



Quite glabrous. Stems one-headed, not more than i to ij^ ft. long, bend- 

 ing over till the follicles touch the ground. Leaves 5 to 6, decompound, with 

 very numerous small, oblong, obtuse, or subacute, copiously confluent seg- 



