320 WILSON EXPEDITION TO CHINA 



yellow); Fang Hsien, thickets, alt. 2000-2300 m., August 1907 (No. 

 2481; climber, 2-2.5 m., flowers yellow and bronze); without locaUty, 

 A.Henry (No. 6817). Western Szech'uan: south-east of Sungpan, 

 thickets, alt. 2600-3000 m., August 1910 (No. 4550; climber, 2 m.). 

 Shensi : Tai-pei-shan, 1910, W. Purdom. 



Clematis pogonandra, var. pilosula Rehder & Wilson, n. var. 



A typo recedit foliis subtus breviter sericeo-pilosis supra ad venas 

 sparse adpresse pilosis, petioUs pedicellisque et ramulis hornotinis 

 initio sparse pilosis v. villosis. 



Western Szech'uan: west of Kuan Hsien, Pan-lan-shan, thickets, 

 alt. 2300-2600 m., June 1908 (No. 2469; climber, 2-3 m., flowers 

 bronzy-yellow.) 



This variety differs from the type only in its pubescence. 



Clematis Prattii Hemsley in Kew Bull. Misc. Inform., 1892, 82 

 (quoad Pratt, Nos. 169, 238). — Finet & Gagnepain in Bull. Soc. 

 Bot. France, L. 550 (1903); Contrih. Fl. As. Or. I. 35 (1905). — Hems- 

 ley in Kew Bull. Misc. Inform. 1906, 148. 



Western Szech'uan: west of Tachien-lu, on rocks, alt. 3600 m., 

 July 24, 1908 (No. 2470; climber, 1.5-2.5 m., flowers golden-yellow); 

 without precise locality, alt. 3600-4000 m., June 1904 (Veitch Exped. 

 No. 3126). 



Clematis Faberi Hemsley & Wilson in Kew Bull. Misc. Inform. 

 1906, 148. 



Western Szech'uan: Mupin, over rocks, alt. 1600-2000 m., 

 June 1908 (No. 2482; climber, 2-2.5 m., flowers yellow); without 

 precise locaUty, over rocks, alt. 3000-3300 m., July 1903 (Veitch 

 Exped. No. 3125, type). 



To this group also belongs the following very rare species not collected during 

 the Arnold Arboretum expeditions: 



Clematis repens Finet & Gagnepain in Bull. Soc. Bot. France, L. 548, t. 16 

 (1903); Contrib. Fl. As. Or. I. 33, t. 16 (1905). 



Western Szech'uan: Mt. Omei, alt. 2000 m., on tree trunks and rocks, 

 October 1903 (Veitch Exped. No. 3122). 



Ser. TuBULosAE Decaisne. 



Clematis heracleaefolia De Candolle, Syst. I. 138 (1818) ; Prodr. I. 

 3 (1824). — Forbes in Jour. Bot. XXII. 263 (1884). — Kuntze in 



