6 WILSON EXPEDITION TO CHINA 



This is not a variety of P. pekinensis Ruprecht (sect. Coronarii), but belongs 

 to the section Satsumani, on account of the two years old branches having a close 

 gray or brownish gray bark often divided by numerous horizontal cracks, 



PhUadelphus brachybotrys, var. purpurascens Koehne, n. var. 



Frutex 1.4-6 m. altus. Petioli in ramulis florentibus 1-2 mm. longi, 

 laxe pilosi v. glabri, in innovationibus ad 4 mm. longi, laxe pilosi; 

 lamina in innovationum foliis 3.5-5 cm. longa, 1.3-2.2 cm. lata, utrin- 

 secus dentes 3-8 ad 0.6 mm. longos gerens, ciliata, in ramulorum florent- 

 ium foliis 0.8-3.2 cm. longa, 0.5-1.7 cm. lata, denticulis minutis paucis, 

 supra ut in typo laxe pilosa, subtus vero nonnisi in nervis primariis 

 pilis longiusculis rigidis accumbentibus obsita v. interdum glabra; 

 nervorum paria plerumque 2. Ramuli florentes 3-8.5 cm. longi ad- 

 jecto racemo 2-4.5 cm. longo 3-7-floro, axi glabro; pedicelli infimi 6-8 

 mm. longi, glabri, ut axis ovaria sepalaque saepe purpurascentes; 

 corolla alba 1.8-2.7 cm. diam,, petala ovali-rotundata, 10-14 mm. 

 longa, 8-10 mm. lata; stamina 32, 33. Stylus vix ultra medium in- 

 divisus. Fructus 8 mm. longus, 6 mm. diam., tertia parte convexa 

 sepalorum insertionem superans. 



Western Szech'uan: Ta-p'ao-shan, northeast of Tachien-lu, 

 thickets, alt. 2750-3200 m., July 3, 1908 (No. 3046); west of Tachien- 

 lu, thickets, alt. 3000 m., June and October 1908 (No. 1346). 



DEUTZIA Thunb. 

 Determined by Alfred Rehder. 



Deutzia scabra Thunberg, Fl Jap. 185, t. 24 (1784). — Lindley in 

 Bot. Reg. XX. t. 1713 (1835). — Hooker in Bot. Mag. LXVII. t. 

 3838 (1841). — Hemsley in Jour. Linn. Soc. XXXIII. 276 (1887).— 

 Schneider, III. Handb. Lauhholzk., I. 379, fig. 242 1-q, 243 a-f (1905). 



D. crenata Siebold & Zuccarini, Fl Jap., I. 19, t. 6 (1835). — Maximowicz in 

 Mim. Acad. Sci. St. Petersb. s6t. 7, X. No. XVI. 22, t. 2, fig. 27-31 (1867). 

 Deutzia Fortunei, Carriere in Rev. Hort., 1866, p. 338. 



Kiangsi: Ruling, abundant, alt. 1200 m., July 29, 1907 (No. 1569). 

 Kiangsu: Stronach (ex Hemsley). 



The Kiangsi specimen has remarkably large capsules, about 7 mm. in diameter, 

 and large leaves ovate-oblong to lanceolate and broadly cuneate at the base. 

 Hemsley cites also specimens from Hupeh and Formosa; the first quotation prob- 

 ably refers to the following species, the second to D. iaiwanensis. 



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