304 Floristik etc. — Personalnachricht. 



losa Anderss.), Premna subcapitata Rehder, P. urticifolia Rehder, 

 Aster hirselioides Schneider, and A. polia Schneider. 



Numerical lists and indexes occupy over 200 pp. at the end of 

 the work. . Trelease. 



Shreve, F., The physical controlof Vegetation in rain- 

 forest and desert mountain. (Plant World. XX. p. 135—141. 



May 1917.) 



The factors which underlie the topographic control of the Vege- 

 tation in the Blue Mountains of Jamaica and the Santa Catalina 

 Mountains of Arizona are diametrically opposed. The strongest 

 Single factor involved in determining the habital distribution of 

 plants in the Blue Mountains is atmospheric humidity but this is 

 not a differential factor in the desert mountains of Arizona. 



W. ß. McDougall. 



Smith, C. P., Studies in the Genus Lupmus. II. The Micro- 

 carpi, exclusive of Lupinus densiflorus. (Bull. Torrey Bot. Club. 

 XLV. p. 1-22. f. 1 — 16. Jan. 1918.) 



Contains as new: Lupinus microcarpus ruber (L. ruber Heller), 

 L. horisontalis platypetalus, L. subvexus nigrescens, L. subvexus 

 transmontanuSj L. subvexus fluviatüis, L. subvexus Leibergii, L. sub- 

 vexus insularis, L. subvexus phoeniceus, L. subvexus albüanatus, and 

 L. subvexus Wilkesii. Trelease. 



Smith, C. P., Studies in the Genus Lupinus. III. Lupinus den- 

 siflorus. (Bull. Torrey Bot. Club. XLV. p. 167—202. f. 17— 42. May 



1918.) 



Contains, as new, the following varieties of Lupinus densiflo- 

 rus: stenopetalus, perfistulosus, Mensiesii (L. Mensiesii Ag.), latila- 

 bruSj Tracyi, glareosus (L. glareosus Eimer), lacteus (L. lacteus Kell.), 

 sublanatus, McGregori, altus, vastiticola, versabilis, latiderus, Dud- 

 leyi, persecundus, palustris (L. palustris Kell.), stanfordianus, crini- 

 tus Eastwood , curvicarinus , Reedii, trichocalyx, barbatissimus, austro- 

 collium, and scopulorum, — all attributable to the author except in 

 the one case noted. Trelease. 



Standley, P. C, Six new species oftrees andshrubsfrom 

 Mexico. (Proc. Biol. Soc. Washington. XXXI. p. 131 — 134. Nov. 

 29, 1918.) 



Vauquelinia potosina Painter, V. australis, V. pauciflora, Odo- 

 stemon longipes, O. quinquefolius, and Deutsia occidentalis, — all 

 but the first ascribable to the author of the paper. Trelease. 



Personalnachrieht. 



Ernannt: Prof. Dr. F. Bucholtz, ehemals Prof. an der Techn. 

 Hochschule zu Riga, zum Prof. der Botanik und Director des Bo- 

 tanischen Gartens an der Universität Dorpat. 



Ausgeseben: 4 November 1WIO. 



Buctadruckerei A. W. Sijthoff in Leiden. 

 Verla« von Gustav Fischer in Jena. 



