238 ROSACEJE. 



the stem. Flowers 9-8-clustered at the apex of the stem, nearly subumbel- 

 late, 1-2-bracteate, pedicels 1 cm. long. Flowers patent, 8 mm. in diameter, 

 bracteoles narrowed, entire. Calyx-lobes ovate, acute, sericeous. Petals broadly 

 obovate, base slightly narrowed, rounded at the apex. Stamens 10 or 

 ( 20V). Stones nearly 15, glabrous. 



HAD. Mt. Morrison. 



DISTRIB. The type is rather of the alpine character, beiug found in 

 high mountains of Asia such as the Himalaya and those of Borneo and 

 western central China. 



The present plant differs from the type mainly in the absence of whorled 

 leaves at the base of an umbel. 



Potentilla pensylvanica LIMN. ; DC. Prodr. FT. p. 581 ; MAXIM. Ind. 

 Fl. Pek. in Prim. Fl. Amur. p. 471 ; FRAXCH. et SAVAT. Eimm. PL Jap. I. 

 p. 131, et IT. p. 340 ; FORBES et HEMSL. Ind. Fl. Sin. I. p. 243 ; DIELS 

 Fl. Cent. Chin. p. 403 ; MATSUM. et HAYATA Enum. PI. Formos. p. 125. 



HAB. Seuton. 



DIKTRIR. Caucasus, central China and northern America. 



7, Sibbaldia Lixx. 



Sibbaldia procumbens I INN. Sp. PI. ed-2, p. 40G ; DIELS Fl. Centr. 

 Chin. p. 404, et Fl. Tsin-ling-shan, in EXGL. Pot. Jahrb. XXXVI. Beibl. 

 p. 56 ; THOME Fl. Dent. Gst. u. Schw. FU. p. 60 ; ASCHERSOX et GR.EBX. 

 Syn. Mitt. Fl. VL 1. p. 661 ; WAGNER Dent. Fl. ed-3, p. 361 ; HAYATA 

 in Tokyo Bot. Mag. XT. p. 98 ; HAYATA Fl. Mont. Formos. p. 84. 



Potentilla Silbaldi HALLER f. in " Sin. Mus. Helvet. I. p. 51 " HOOK. 

 f. Fl. Brit. Ind. II. p. 345. 



Sibbaldia cimeata KUXZE, in Limirea XX. p. 53 ; EDGEW. in Journ. 

 Linn. Soc. XX. p. 44. 



HAB. Mt. Morrison. 



DISTRIB. This plant, having had a wide range in the glacial period, is 

 now found here and there in the polar and alpine regions of Europe and 

 Asia. 



