Floristik, Geographie, Sysiematik etc. 317 



Magdeburg-West eingeführt, von B. Colleyi Ldl. verschieden); 

 Aerides Javckianum Schltr. (Phillippinen, ein Epiphyt vom Habitus 

 der Aerides rubescens Schltr., doch die Blüte anders gestaltet). 



Matouschek (Wien). 



Schneider, C, A conspectus of Mexican, West Indian, 

 Central and South American species and varieties of 

 Salix. (Bot. Gaz. LXV. p. 1—41. 1917.) 



Nineteen species, with a number of varieties and hybrids, are 

 discussed. The following new names appear: Salix Hnmboldtiana 

 stipulacea (S. stipulacea Mart. & Gal.), 5. nigra Lindheimeri, S. lon- 

 gipes venulosa, S. amygdaloides Wrightii (S. Wrightii And), S. Bon- 

 plandiana Toumeyi, S. taxifolia microphylla, S. exigaa stenophylla 

 (S. stenophylla Rydb.), 5. sessilifolia leucodendroides {S. monostachya 

 leucodendroides Rowlee), 5. Schajfnerii, S. Rowleei, S. Rotvleei cana, 

 S. oxylepis (S. latifolia Mart. & Gal.), and S. paradoxa ajuscana. 



Trelease. 



Schneider, C, Notes on American willows. I. The species 

 related to Salix arctica Pall. (Bot. Gaz. LXVI. p. 117 — 142. Aug. 

 1918.) 



Contains as new: Salix arctica subcordata (S. subcordata And.), 

 5. anglorum kokophylla, S. anglorum araioclada, S. anglorum anti- 

 plasta, S petrophila caespitosa (S. caespitosa Kennedy), and S. stolo- 

 nifera subpilosa. Trelease. 



Schneider, C, Notes on American willows. II. The species 

 related to Salix glauca L. (Bot. Gaz. LXVI. p. 318—353. Oct. 



1918.) 



Contains as new: Salix glauca acutifolia (S. villosa acutifolia 

 Hook.), S. glauca glabrescens (S. glaucops glabrescens And.), S. bra- 

 chycarpa glabellicarpa , S. chlorolepis antimima, S. Fullertonensis, S. 

 cordifolia atra, S. cordifolia hypoprionota, S. cordifolia Macounii, and 

 5". anamesa. Trelease. 



Schneider, C, Notes on American willows. III. A con- 

 spectus of American species and varieties of Sections 

 Reticulatae, Herbaceae , Ovalifoliae, and Glaucae. (Bot. Gaz. LXVII. 

 p. 27—64. Jan. 1919.) 



Contains as new: Salix nivalis saximontana, S. rotundifolia pi- 

 losiuscula, S. hudsonensis, and 5. glauca acutifolia f. poliophylla. 



Trelease. 



Schneider, C, Notes on American willows. IV. Species and 

 varieties of Section Longifoliae. (Bot. Gaz. LXVII. p. 309 — 

 346. Apr. 1919.) 



Contains as new: Salix exigua nevadensis (S. nevadensis Wats.), 

 S. exigua luteosericea , S. exigua tenerrima (S. longifolia tenerrima 

 Henders.), 5. melanopsis Bolanderiana , and S. longifolia Wheeleri 

 {S. inferior Wheeleri Rowlee). Trelease. 



Schneider, C, Notes on American willows. V. The species 



