4& 



A 



xv, 3 Merrill: Notes on the Kwangtung Flora 239 



cinalis Linn, and S. cayiadensis Linn., the present material 

 matching specimens from various parts of China, some identified 

 as S. officinalis Linn, and some as S. canadensis Linn. The 

 Kwangtung material closely matches European material of S. 

 officinalis Linn., and I assume this name to be correct for it. 

 Sangnisorba formosana Hayata, as represented by Formosan 

 material, Kawakami 93, is scarcely to be distinguished. 



POTENTILLA Linnaeus 

 POTENTILLA DISCOLOR Bunge Enum. PL Chin. Bor. (1831) 25. 



Kwangtung Province, Shiuchow region, To Kang P'eng 2775, 

 April 19, 1919. 



Widely distributed in northern and central China, extending 

 to Formosa (a variety) ; not previously recorded from Kwang- 

 tung Province. 



LEGUMINOSAE 



PITHECOLOBIUM Martiiis 

 P1THECOLOBIUM TURGIDUM sp. nov. 



Arbor parva, partibus junioribus ferrugineo-pubescentibus ; 

 foliis bipinnatis, pinnis 1-jugis, foliolis amplis, bijugis, membra- 

 naceis vel chartaceis, glabris, nitidis, acuminatis, majoribus us- 

 que ad 15 cm longis. oblongo-ovatis, basi acutis, nervis utrinque 

 6 ad 8, perspicuis; leguminis turgidis, rectis, dehiscentibus, 

 oblongis, 7 ad 9 cm longis circiter 3 cm latis, et 1 ad 1.5 cm 

 crassis, valvis coriaceis; seminibus ellipsoideis, 1.8 ad 2.5 cm 

 longis, haud compressis. 



A small tree, 3 to 4 m high fide Levine, glabrous except the 

 younger parts which are ferruginous- or castaneous-pubescent. 

 Leaves bipinnate, pinnae 1-jugate, leaflets bijugate, the petiole 

 2 to 6 cm long, with a single large gland at the apex below the 

 insertion of the single pair of terminal pinnae, the rachises of 

 the pinnae 5 to 8 cm long, each bearing four large leaflets and 

 usually with a terminal gland; leaflets membranaceous to char- 

 taceous, oblong-ovate to elliptic-ovate, pale greenish and shining 

 when dry, glabrous, base acute, equilateral, the apex acuminate, 

 9 to 15 cm long, 4 to 7 cm wide, the lateral nerves 6 to 8 on 

 each side of the midrib prominent. Panicles pyramidal, in bud 

 up to 14 cm long, the flowers in globose heads at the tips of the 

 branchlets, pubescent. Pods oblong, turgid, dehiscent, 7 to 9 

 cm long, about 3 cm wide, 1 to 1.5 cm thick, each usually with 

 about four seeds, the sutures not thickened, the valves coria- 

 ceous, continuous, brown, smooth. Seeds contiguous, ellipsoid, 



