ROSACEAE. — RUBUS 51 
Rubus Lambertianus Seringe in De Candolle, Prodr. II. 567 (1825).— 
Focke in Bibl. Bot. LXXII. 70 (Spec. Rub.). (1910). 
Western Hupeh: north and south of Ichang, thickets, alt. 300- 
1000 m., September and October 1907 (No. 482). 
Rubus clemens Focke in Bibl. Bot. LX XII. 105 (Spec. Rub.) (1910). 
Western Szech'uan: Mupin, thickets, common, alt. 600-2100 
m., July and September 1908 (No. 871). 
Rubus irenaeus Focke in Bot. Jahrb. XXIX. 394 (1901); in Bibl. 
Bot. LXXII. 144 (Spec. Rub.) (1910). 
Western Hupeh: Changyang Hsien, woods, common, alt. 1200- 
2300 m., July and September 1907 (No. 141); Chang-lo Hsien, side of 
Streams alt. 900 m., July 1907 (No. 3022). ` 
Unarmed or with a few minute inconspicuous prickles. 
Rubus Buergeri Miquel in Ann. Mus. Lugd.-Bat. III. 36 (1867); 
Prol. Fl. Jap. 224 (1866-67). 
Western Szech'uan: Hung Ya Hsien, woods, alt. 600 m., June 9, 
1908 (No. 3014). 
Subgen. IDEOBATUS 
Ser. CoRCHORIFOLII 
Rubus corchorifolius Linnaeus f., Suppl. Pl. Syst. Veget.263 (1781).— 
Focke in Bibl. Bot. LX XII. 131 (Spec. Rub.) (1911). 
Western Hupeh: north and south of Ichang, thickets, alt. 300- 
1200 m., June 2, 1907 (No. 15). 
* 
Rubus trianthus Focke in Bibl. Bot. LXXII. 140, fig. 59 (Spec. 
Rub.) (1911). 
Western Hupeh: Chang-lo Hsien, alt. 1200-1500 m., July 1907 
(No. 78). 
Ser. RosAEFOLII 
Rubus Thunbergii Siebold & Zuccarini in Abhand. Akad. Münch. IV. 
pt. IL 126 (1846).— Focke in Bibl. Bot. LX XII. 159, fig. 68 (Spec. 
Rub.) (1911). 
