CORRECTIONS AND ADDITIONS TO 

 VOLUMES I-III 



By Alfred Rehdeu and E. H. Wilson, with contributions by Camillo Schneider. 



VOLUME I 



Philadelphus brachybotrys, var. purpiirascens (p. 6). This variety has been 

 separated from P. brachybotrys Koehne as a distinct species: 



Philadelphus purpurascens Rehder in Mitt. Deutsch. Deyidr. Ges. XXIV. 

 (1915). {Philadelphus Delavayi Hutchinson in Bot. Mag. CXXXVI. t. 8324 [non 

 L.Henry] [1910]). 



Deutzia coriacea (p. 9). The number of the type specimen which is given as 

 No. 4481 should read No. 4487. 



Deutzia discolor (p. 12). Add the following number: 



Eastern Szech'uan: Wushan Hsien, alt. 1300 m., 1907 (No. 777; plants 

 only). 



Deutzia Vilmorinae (p. 20). Add the following number: 



Western Hupeh: Changlo Hsien, alt. 1300-1600 m., June 1907 (No. 4467). 



Like Wilson's Nos. 940 and 1998 this specimen differs from the type in the 

 sparser pubescence of the under side of the leaves, the stellate hairs being more 

 distant, not forming a dense tomentum. 



Hydrangea Davidii (p. 25). Add the following number: 



Western Szech'uan: Mupin, thickets, 1908 (No. 1159", seeds only). 



Hydrangea xanthoneura, var. setchuenensis (p. 28, 579). Add the following 

 numbers: 



Western Hupeh: Fang Hsien, 1907 (No. 573; shrub 1 m. tall, flowers white; 

 seeds only). Western Szech'uan: west of Kuan Hsien, woodlands, alt. 

 2600-3000 m., October 1910 (No. 4303; bush 3-5 m. tall or small tree, flowers 

 white). 



Itea (p. 44). Add the following new species: 



Itea omeiensis Schneider, n. sp. 



Frutex altus; ramuli floriferi flavo-cinerascentes, teretiusculi, glabri v. parce 

 minutissime pilosi. Folia alterna, sempervircntia, tenuiter coriacea, longe elliptica, 

 basi subrotundata, apice satis subito breviter acuminata, 11-12.5 cm. longa, 4-5 

 cm. lata, glabra, supeme ut videtur intense sed obscure viridia, costa incisa, 

 nervis lateralibus distinctis sed vix prominulis, subtus pallidiora, ut videtur viri- 

 descentia, costa venisque lateralibus utrinque 7-8 distincte elevatis, reta ner- 

 vorum tcnui paulo distincto, margine distanter breviter subglanduloso-serrata 

 versus basim plus minusve integra; petioli crassi, glabri; supcrne anguste sulcati, 

 10-13 mm. longi. Inflorescentiae spiciformes, pseudo-racemosae, axiUares, singulae 



421 



