LIST OF HERBACEOUS PERENNIALS 



91 



POLYGONUM Con. 



P, amplexicaule, D. DON. Mountain 



Fleece. Himalayas. 

 PL, 1901. Hardy. Ht. 3$ to 4* ft. 

 Fl. rosy red; June 20 to Oct. 17. 



**P, amplexicaule oxyphyllum. 



PL, 1898. Hardy. Ht. 5 ft. FL 

 white on reddish peduncles ; Oct. 

 2 to Oct. 17. Kesembles P. molle. 



P. chinense, L. China, &c. 

 PL, 1908. 



*P. cuspidatum, SIEB. & Zucc. Japan. 

 Syn. P. Sieloldii, Hort. 

 PL, 1895. Hardy. Ht. 7 to 8 ft. 



Fl. creamy white ; Aug. 24 to 



Sept. 22. 



P. cynosum, Roxb. = P. chinense. 



**P. molle, D. DON. Himalayas. 



PL, 1897. Hardy. Ht. 6 ft. Fl. 

 white on reddish peduncles ; 

 Sept. 22 'to Oct. 20. 



P. sachalinense, F. SCHMIDT. Sacaline. 

 Island of Sachalin, &c. 

 PL, 1895. Hardy. Ht. 12 to 13 ft. 

 Fl. greenish ; Aug. 15 to Sept. 24. 



P. Sieloldii, Hort. = P. cuspidatum, 

 Sieb. & Zucc. 



POTENTILLA, L. CINQUEFOIL. 

 (RosacecB.) 



P. alba, L. Europe; Caucasus. 



PL, 1899. Hardy. Ht. 1 ft. FL 

 white; May 10 to May 29 ; Sept. 

 27 to Nov. 3. 



P. alpestris, HALL, F. Europe, &c. 

 PL, 1903. Hardy. Ht. 10 in. FL 

 golden yellow; May 25 to June 

 20. 



*P. alpestris pyrenaica. 



Syn. P. pyrenaica, Ram. 

 PL, 1901. Hardy. Ht. 1 ft. Fl. 

 golden yellow; May 28 to June 



28. 



*P. argyrophylla, WALL. Himalayas. 

 PL, 1901. Hardy. Ht. 2 ft. FL 

 yellow or orange red; June 23 to 

 Aug. 11. 



P. astracanica, Jacq. P. recta. 



POTENTILLA Con. 



P. chrysantha, TREVIR. Kussia, &c. 

 PL, 1905. Hardy. Ht. 1 ft. Fl. 

 golden yellow ; June 6 to July 12. 



P. dealbata, BUNGE. Siberia. 



PL, 1895. Hardy. Ht. 1 ft. FL 

 pale yellow; June 8 to Aug. 3. 



P. Fragariastrnm, EHRH. Europe. 

 PL, 1905. Hardy. Ht. 2 ft. FL 

 golden yellow ; July 8 to Aug. 27. 



*P. grandiflora, L. Europe. 



PL, 1897. Hardy. Ht. 2* ft. FL 

 pale yellow; June 15 to Aug. 4. 



*P. hopwoodiana, SWEET.. Garden ori- 

 gin. 



PL, 1901. Hardy. Ht. 2 to 3* ft. 

 Fl. deep rose, pale rose and whit- 

 ish; June 23 to Sept.. '2. 



*P. hybrida Mad. Bonillard. 



PL, 1898. Hardy. FL double, pale 

 orange; June 30 to Aug. 11. 



**P. hybrida purpnrea plena. 



PL, 1900. Hardy. Ht. 3 ft. Fl. 

 semi-double, red maroon ; June 

 24 to Aug. 25. 



**P. hybrida versicolor. 



PL, 1895. Hardy. Ht. 2 to 3 ft. 

 Fl. semi-double, scarlet orange, 

 golden yellow at base ; June 24. 

 to Aug. 27. 



*P. hybrida Victor Lemoine. 



PL, 1900. Hardy. Ht. 2 ft. FL 

 double, dark orange red and yel- 

 low; July 3 to Sept. 7. 



*P. Hybrida Wm. Eollison. 



PL, 1898. Hardy. Ht. 2* ft. Fl. 

 double, rich orange; June 23 to 

 Aug. 11. 



**P. nepalensis, HOOK. Himalayas. 



PL, 1901. Hardy. Ht. 1* to 2 ft. 

 Fl. deep rosy red, crimson 

 blotches in centre ; July 18 to 

 Oct. 14. 



P. pyrenaica, Ram. = P. alpestris pyre- 

 naica. 



P. recta obscura. 



PL, 1905. Hardy. Ht. 3 ft. FL 

 yellow; June 25 to July 20. 



