8;^ 



he draws the conclusion that the latter plays an important part 



in the formation of starch. 



E. L. G. 



Beitrdge ziir Kenntniss der Cyperaceeii. Heft L , Cyperacece 

 nov(2. O. Boeckeler, (pamphlet, pp. 53. Varel-an-der-Jacle, 



1888.) 



Descriptions of IIO species of Cyperaceae are given in this 

 latest contribution by Herr Boeckeler. They are divided amon^^ 

 the genera as follows: Kyllingia i; Cypenis 24; Hcleocharis 

 14; ScirpHs 5; Fuirena i; Liphocarpha 2; Hypolytrum 4; 

 Rhynchospora 16; Leptolepis, a new genus, i ; Cryptangiitm 2; 

 Scleria li ; Homalostachys, new genus, i ; Trilepis i; Kobresia 

 3 ; Carex 24. None of them are North American, but several 

 are from the West Indies, Colombia and Argentina. 



Zur Kenntniss der Gattung Scirpus, Dr. Ed. Palla. (Engler's 



Bot. Jahrb., x., 293-301). 



Herr Palla publishes the results of observations on the ar- 

 ran<iement of fibro-vascular bundles in the stem of numerous 



o 



species of gener;^ in the tribe Scirpese, as affording characters for 

 classification. As of interest to American botanists, a few of his 

 conclusions may here be given The genus Dichostylis of Beau- 

 vois IS revived, and in it are placed certain species which have 

 been described as Cypenis, Seirpns and Fmibristylis, including 

 our Cypenis Baldwinii, C aristatus and Fimbristylis congesta 

 rather diverse elements, we should say, TrichopJionan, Pers., is 

 brought into use for Eriophonnn alpinmn and Scirpus ccespitosns, 

 Scirpus, L., is retained for 5. sylvaticus, S.atrovirens and Erio- 

 phornm cyperinum, and the author thinks that S. maritimus 

 and S,flnviatilis may also belong there ; Blysmns, Panzer, is kept 

 up as a genus. SchixnoplectiLS, Reich., includes Scirpus Olneyi, 

 S. Tatora, S. lacuslris, S, pungens, 5. mucronatus diud S. supinus, 

 EleochariSy R. Br., is accepted very much as we know it Iso- 

 lepis, R. Br., includes Scirpus carinatus and Websteria Jluitans. 



N L. B. 



