210 WILSON EXPEDITION TO CHINA 



young branchlets are somewhat pubescent and resemble those of P. sinicus, but 

 this specimen bears some old fruits, which in no way diiJer from those of P. orien- 

 talis, as represented by No. 2103, and as, moreover, the petioles are from 5 to 6 

 mm. long, I think No. 634 certainly belongs to this species. 



This species is fairly common in open country up to 1000 m. altitude through 

 western Hupeh and eastern Szech'uan. It is a tree from 10 to 15 m. tall, with a 

 slender trunk covered with smooth gray bark and usually armed with numerous 

 stout spines; the branches are spiny, short, slender and spreading. The fruit is 

 pure white, changing to brown at maturity, and the trees when laden with imma- 

 ture fruit are very conspicuous from a distance. The wood is hard and tough. A 

 picture of this tree will be found under No. 0160 of the collection of my photo- 

 graphs. E. H. W. 



Paliurus ramosissimus Poiret in Lamarck, Encycl. Meth. Suppl. 

 IV. 262 (1816).— Hemsley in Jour, Linn. Soc. XXIII. 126 (1886). — 

 Pritzel in Bot. Jahrb. XXIX. 457 (1900). — Matsumura & Hayata 

 in Jour. Coll. Sci. Tokyo, xxii. 86 (Enum. PI. Formos.). — Pitard 

 in Lecomte, Fl. Gen. Indo-Chine, I. 915 (1912). — Schneider, III. 

 Handh. Lauhholzk. II. 1030 (1912). 



Aubletia ramosissima Loureiro, Fl. Cochin. 283 (1790). 



Paliurus Aubletia Schultes in Roemer and Schultes, Syst. Veg. V. 343 (1819). 



Paliurus Aubletii Bentham, Fl. Hongk. 66 (1861). 



Western Szech'uan: Kiating Fu, roadsides, alt. 300-1000 m., 

 July 1908 (No. 3224; thorny shrub 3-5 m. tall, used as a hedge plant); 

 banks of Yangtsze River, common, June 1903 (Veitch Exped. No. 

 3340); Mt. Omei, June 1904 (Veitch Exped. No. 4778). Formosa: 

 Tamsui, A. Henry (No. 1382). Korea: Quelpaert, rare, July 1909, 

 Taquet (No. 3116). 



This thorny shrub is abundant at low levels through Szech'uan, but it is less 

 common in Hupeh. It is commonly used as a hedge-plant near Kiating Fu and 

 elsewhere and is colloquially known as the " Teh-li-pe Kuotzu." E. H. W. 



CLAVIS SPECIERUM. 



Folia apice distincte breviter acuminata, acumine product© foHorum bene evolu- 

 torum plus quam 6 mm. longo. 

 Folia permagna, mediocra 6-12 cm. longa; petioli 8-15 mm. longi. 



Planta glabra v. subglabra 1. P. orientalis. 



Planta ramuhs, foliis inflorescentiisque pubescentibus (confer etiam No. 5). 



2. P. hirsutus. 



Foha minora v. petioli tantum 5 mm. longi 3. P. sinicus. 



Folia apice obtusa v. fere rotundata v. tantum breviter acuta. 

 Fructus ala distincta circulari cinctus, glaber. 



Folia plerumque hand plus quam 5 cm. longa, apice saepissime obtusa; alae 

 fructuum satis tenues, 6-10 mm. latae 4. P. Spina-Christi. 



