: 75 
CORRECTIONS IN NOMENCLATURE.—VII. 
By Epwarp L. GREENE. 
The generic name Greggia, still retained for certain South- 
west American Crucifers, is at least twice revertible, and 
may be replaced by the following: 
PARRASIA. 
The two known species will be 
P.camporum. Greggia camporum, A. Gray, Pl. Wright. 
i. 9 (1852). 
P. linearifolia. Greggia linearifolia, 8. Wats. Proc. 
Am. Acad. xviii. 191 (1883). 
There is also a southwestern genus of Cucurbitaces which 
now goes under a name similarly twice revertible. I shall 
call this 
IBERVILLEA. 
I know of no more than three species. 
I. Lindheimeri. Mazimowiczia Lindheimeri, Cogn. in 
DC. Monogr. Phaner. iii. 726 (1881). Sicydium Lind- 
heimeri, A. Gray, Pl. Lindh. 194 (1850). 
I. tripartita. Masximowiczia tripartita, Cogn. 1. c. 728. 
I. Sonore. Mazximowiczia Sonore, 8. Wats. Proc. Am 
Acad. xxiv. 51 (1889). 
It is very unfortunate for the botany of our era, that men 
can not be repressed from intermeddling in the nomen- 
clature of plants, who lack a grammar school education. 
It has come out within the last year, that American botany 
is falling very low indeed in point of literary quality. But I 
