1896. ] Current Literature. 39 
genera are represented, although two of them (/Veogoezia Hemsley and 
Deanea Coulter & Rose) have been published in anticipation of the 
present contribution. The other two are named /Veonelsonia and 
Coaxana. Species outside of Oaxaca bring up the number of new ones 
described to twenty-seven. Altogether, this forms the most valuable 
contribution to our knowledge of Mexican Umbellifere. 
In addition to descriptions of new genera and species, and critical 
notes upon the other species collected, there is a somewhat detailed 
account of the topography of the stations explored, and a revision of 
Museniopsis, a genus now far better understood, and containing at least 
eleven species, the Mexican forms heretofore referred to Zu/ophus be- 
ing included. 
A second part of the “Contribution” is by Mr. Rose, who presents 
new or noteworthy plants from Mexico and the United States, includ- 
ing descriptions by Baker fil. and Cogniaux. The contribution also 
contains twelve plates. 
AN EXCELLENT experimental and critical study of some of the fungi 
parasitic upon insects has been made by Mr. Rufus H. Pettit, of Cor- 
nell University. The material for the study was largely found in the 
vicinity of Ithaca, N. Y., and yielded a number of new forms and spe- 
cies. In all cases the fungus was transferred from the insect on which 
it was found to nutrient media. Several media were used, but more 
especially agar and potato. The forms studied were Cordyceps clavu- 
lata (Schw), Ellis on scale insects of the genus Lecanora C. militaris 
-) Lk., C. melolonthe (Tul.) Sacc. on a white grub, the larva of the 
Lachnosterna, /saria farinosa (Dicks.) Fr. on an arctiid cocoon, 7 
fenuipes Peck on pupe of species of arctiids, 7. anisoplia Americana 
n. var. on wireworms, Agriotes mancus, /. anisoplie (Metch.) received 
from France, 7. densa (Lk.) Fr., also from France, /. vexansn. sp.,on a 
larva of Lachnosterna, Sporotrichum globuliferum Speg. on a carabid 
beetle, on chinch-bug and on a vespa, and S. minimum Speg. on a 
black ant of the genus Camponotus. A bibliography of 76 numbers 
sappended. Eleven good plates illustrate the gross and minute 
Structure of the fungi, and the appearance of the artificial cultures. 
The paper is a valuable contribution to our knowledge of insect para- 
Sites and to the possibility of using them to arrest their destructive 
increase, 
A CONTRIBUTION from the National Herbarium, just published, pre- 
Sents a report on a collection of plants made by J. H. Sandburg and 
ee ee 
B (Perr, Rurus H.—Studies in artificial cultures of entomogenous fungi. 
ull. Cornell Exper. Station. 97: 339-378. pl. 1-11. July, 1895. 
