Notes- 
446 
adsint, attamen non tales sunt quales in Anacardiaceis observantur. 
Planta locus systematicus, cum flores nondum cogniti sint, mihi plane 
dubius remanet.’ 
In the Botany of the Biologia Centrali-Americana, having no 
specimens before me, I could do no more than record the name ; 
and it was not till 1901, when Kew acquired specimens of the male 
of my J. mollis , and fruiting specimens of what I take to be the 
original J. adstringens , that I was able to throw a little more light on 
the subject by publishing (Hooker’s leones Plantarum, t. 2722 et 
2723) figures of the structure, so far as the material permitted. This 
was done with the idea of directing attention to this singular genus, 
and of obtaining better specimens. It resulted in Dr. J. N. Rose, 
Assistant Curator of the Botanical Collections of the United States 
National Museum at Washington, generously offering to procure for 
me the privilege and advantage of examining the whole of the 
material belonging to that Institution, collected partly by himself, 
partly by Messrs. Pringle, Nelson, Lumholtz, Hay, Langlassd and 
Hough, together with his notes. At the present time we are engaged 
on a fully illustrated monograph of the genus, including an account of 
its anatomy and organogeny by Dr. F. E. Fritsch ; and in that we 
shall fully discuss its affinities. This preliminary communication, it 
is hoped, will bring us further material of some of the species ; more 
female flowers especially are wanted to enable us to complete our 
researches. I may add that Dr. A. Engler, of Berlin, Dr. C. Mez, of 
Halle, and Dr. A. Zahlbruckner, of Vienna, have failed to find any 
of the original specimens collected by Dr. C. J. W. Schiede, the 
discoverer. 
NOTE TO ARTICLE IN THE ANNALS OF BOTANY, VOL. 
XVI, NO. 03, SEPTEMBER, 1902, ON ‘THE “ SADD ” OF THE 
UPPER NILE.’ 
Grasses of the ‘ Sadd! 
At p. 501 of the Annals of Botany, in the article above cited, Sir 
William Garstin, the Under-Secretary to the Government of Egypt, 
in the Public Works Department, was quoted by me as saying that 
a specimen of the ‘ umsoof’ grass, Vossia procera, which had been 
sent to the British Museum, was there identified as Phragmiies com- 
munis. And Sir William did not mention it anywhere in his report 
as being one of the components of ‘Sadd’; nor, so far as I had 
