SALICACEAE. — SALIX 49 



Salix argyrophegga Schneider, n. sp. 



Frutex 1.5-3.6 m.altus, breviter ramosus; ramuli initio crispo-villosi, 

 deinde glabrescentes, flavo-brunnei. Folia elliptica, ovato-elliptica v. 

 elliptico-oblonga, basi pleraque rotunda, apice breviter acuta v. ob- 

 tusa, supra sordide viridia, initio plus minusve sericeo-villosula, deinde 

 costa tomentella excepta glabrescentia, subtus dense v. laxius molliter 

 sericeo-villosa, albescentia (v. subglabra, pallide viridia, tenuiter reticu- 

 lata), costa nervisque 2 pro 1 cm. elevatis, margine distincte argute 

 serrata, dentibus callosis apicem versus productis, sinuosa, 5-8 cm. 

 longa, 3.2-3.8 cm. lata, maxima usque 13 cm. longa et 5.2 cm. lata; 

 petioli 10-15 mm. longi, sericeo-villosi ; stipulae ovatae v. semiovatae, 

 acutae, petiolis fere triplo breviores, ad apicem glanduloso-serratae, 

 pilosae. Amenta fructifera ramulis subvillosis 2.5-4 cm. longis folia 

 3-4 normalia gerentibus suffulta, 9-14 cm. longa, circiter 1.5 cm. crassa, 

 rhachi sericeo-villosa; flores (inter fructus remanentes) sessiles; ovaria 

 ovato-elliptica, argenteo-sericeo-villosa, stylis bifidis quam stigmata 

 oblonga bifida paulo longioribus coronata; bracteae late ovato-rotun- 

 dae, brunnescentes, extus sericeae, intus (et interdum apice) glabrae, 

 ovariis duplo breviores; glandula una ventralis oblonga, bracteis duplo 

 brevior. Fructus circiter 6 mm, longi, subsessiles, ad apicem paulo 

 attenuati, ut ovaria villosi. 



Western Szech'uan: west of Kuan Hsien, Niu-tou-shan, alt. 

 2600-3000 m., June 1908 (No. 2154, type; bush 1.5-3.6 m.; with fruits). 



This Bpecies seems most nearly related to S. Ernesti Schneider, but differs 

 clearly in its serrate leaves, the smaller bracts, the narrower gland and in the yel- 

 lowish brown twigs. Unfortunately there are no cf flowers. 



The specific name is derived from apyupot^cyyijs, shining like silver. 



Salix plocotricha Schneider, n. sp. 



Frutex 3-7 m. altus, ramosus; ramuli tantum juveniles sericei, mox 

 glabri, annotini nigro-purpurascentes glabri. Folia (nondum satis 

 evoluta) oblongo-elliptica v. obovato-lanceolata, basi acuta, obtusa v. 

 rotunda, apice obtusa v. breviter acuta, supra viridia, initio sparse 

 puberula, deinde costa excepta glabra, subtus pallidiora, initio sericeo- 

 tomentella saepe pilis fulvis intermixtis, deinde tantum ad costam 

 paulo elevatam plus minusve sericea, nervis vix prominulis, rete ner- 

 vorum tenuissimo, margine brevissime et distanter crenulato-serrata v. 

 subintegra, minora (ramulorum florif.) 4-5.5 cm. longa et 1.8-2 cm. 

 lata, maxima usque 10 cm. longa et 3 cm. lata; petioli initio sericei, 

 deinde tantum sulco superne tomcntelH, purpurascentes, 5-15 mm. 



