158 



Mousses/* and specimens intermediate between G. orbicttlaris 

 and G, tergestina, , E. G. B. 



A hybrid Desinid. In Vol. iv, p. 171, of the Annals of 

 Botany, Mr. A. W. Bennett describes and figures a desmid sup- 

 posed to be a hybrid between Ettastrtnn crassum^ Kt^. and E, 

 hunierosinn^ Ralfs. It was collected on Dartmoor last August, 



and is stated to be tlie first recorded instance of h)'bridism among 

 the desniids. 



Index to Recent American Botanical Literature. 



Alabama. — Vegetation in So?ithern, Carl Mohr. (Garden & For- 

 est, iii. 212). 

 An account of the effect of a cold wave upon the vegetation 



during last March. 



-E of the Plains, — The Fresh-zvater, PI. J. Webber. (Am. 

 Nat. xxiii. lOi 1-1013). 



A list of the smaller algre collected in a single day's trip in 

 the Sand Hill region of Nebraska. 



^ic della Terra del Fnego raceolte del Prof. Spegazzini. F. 

 Ardissone. (Rendiconti Reale Instit. Lombardo (II) xxi. 

 208-215). 



^i 



<> 



iopJiora Magellanica^ Callitha)}iuio7i 



<b 



^pinuliferuvi and Ceraniium radieans are described as new. 



'.es and Affinities, — ///. Edward L. Greene (Pittonia, li. 



51-57, May I, 1890). 



This paper is a discussion of the relationships of Allium to 

 other Liliaceous genera. It is shown that Triteleia nniflora, Lindl., 

 a ChiHan plant, is referable to the genus Lcueocoryne^ and that 

 the species of Androstephium liave a strong onion-like odor. 

 Milla ccernlea^ Scheele, becomes Androstephim civrnlenm. Al- 



lium unifoliiim var. lacteion, is described as new, from San Luis 



Obispo Co., Cal. 



AristolocJiia Goldeana, (Gard. Chron. vi'. 525, fig. 83). 



Botanical Laboratory, — A Nezv. D. P. Penhallow. (Can. Rec. 

 Sci. tv. 89-93, illustrated). 

 A description of the laboratory at McGill University. 



Botanical Tenninology , — Three Suggestions on, Conway Mc- 

 Millan. (Am. Nat. xxiv. 366-369). 



