28 
The genus J/yxococcus is also established with three species, J. 
rubescens, M. virescens, and M. coralloides. 
Paleontologie Vegetale. (Ouvrages publies en 1890.)—R. Zeiller. 
(Extrait de |’Annuaire Geologique Universel, vii. 1I115- 
1157). 
This isa summary, with comments, upon most of the important 
publications concerning fossil botany which appeared during the 
year 1890. America is well represented by the works of Ward, 
Dawson, Matthew, Fontaine, Knowlton, Holm and others, most 
of which were here noted at the time of publication. 
Pavonia Wrighti. (Meehan’s Month. ii. 178).: 
Phlanzenpathologische Mittheilungen aus Ecuador. G. de Lagerheim. 
(Zeitsch. Pflanzen. Krank., ii. 195). 
Prunus tomentosa. J. G. Jack (Gard. and For. v. 580, with illus- 
tration). 
Rumfordia from Lower California—A new. T.S. Brandegee (Zoe, 
iii. 241, 242, with plate). 
Discription and figure of Rum/fordia connata. 
Sullwantia Hapeman. J, M. Coulter (Bot. Gaz. xvii, 420). 
Labebuia Donnell-Smithii. J. N. Rose (Bot. Gaz. xvii. 418). 
A new species from Mexico and Central America, with one of. 
C. E. Faxon’s beautiful plates. 
Zaxodium mucronatum (Gard. Chron. xii. 646). 
With illustration of the famous old Mexican Deciduous Cypress 
at Sta. Maria del Tulé. 
The Occasional Cross. Th. Meehan (Bot. Gaz. xvii. 420). 
Trees in Winter. E. P. Powell (Am. Gard. xiii. 706, illustrated). 
Two Pretty Pentstemons. F. A. Waugh (Am. Gard. xiii. 724). 
Mlustrations of Pentstemon cristatus and P. confertus. 
Vegetable Pathology. Report of the Chief of the Division of. (U.S 
Depart. Agric., 1892). ae illustrations of Ceratocystis in 
briata. 
Vine Cactus in Mexico—The. (Am. Gard. xiii. 7 50). Ilustration of - 
Fouquiera splendens. as 
Washingtonia fils ifera. (Gardn. vaison Xii. 590,°677, papsieei 
