363 
Sorosporium Souipacinis E. & E. 
Proc. Acad. Nat. Sci. Phil. February, 1893: 156. 
This is the same as S. cuneatum Schofield, in the 2d Ed. of 
Webber’s Appendix to the Cat. of Flora of Neb., published June, 
1892. 
Puccinta Licusticr E. & E. 
On leaves of Ligusticum scopulorum Gray. Sangre de Christo 
Mts., Colo. Alt. 10,000 ft. July, 1888. (Rev. C. H. Demetrio, 
no, 201.) 
III. Sori hypophyllous, minute, chestnut-colored, erumpent and 
surrounded by the ruptured epidermis, densely crowded in subor- 
bicular clusters 11%4-2 mm. diam. on small, pallid spots mostly 
near the margin of the leaf. Teleutospores, elliptical or oblong- 
elliptical, obtusely rounded at both ends, pale brown, scarcely or 
only slightly constricted, 22-30 x 15-20 yp, epispore slightly 
roughened but not distinctly thickened above. 
Puccinia NESAEAE (Ger.). 
Aecidium Nesaeae Ger. Bull. Torr. Bot. Club, 6: 47. 
On leaves of Nesaea verticillata near Concordia, Missouri. 
(Rev. C. H. Demetrio, no. 145.) 
III. Sori orbicular, minute, bordered by the upturned epidermis, 
collected in dense clusters or also scattered singly, usually clus- 
tered on the tubercular-thickened parts of the leaf previously oc- 
cupied by the Aeczdium. ee 
Teleutospores oblong, clavate oblong or oblong-elliptical, 
deeply constricted, strongly thickened at the apex, usually with a 
hyaline papilla, pale yellowish brown, 30-45 x 12-15 p. Pedicels 
Stout, subhyaline, about as long as the spore. 
Ravenetia Arizonica E. & E. 
On living leaves of Prosopis julifora. Tucson, Arizona, Aug., 
1894. (Prof. J. W. Toumey, no. 37.) 
Amphigenous; sori erumpent, soon naked, small, black; heads 
not compact in the sori, orbicular, 75-85 » diam., deep chestnut 
browh, hemispherical, spiny, marginal spores about 20 “18—25) in. 
number, inner spores about as many more, 18-22 x 7-8 #; number 
of spores in a cross section through the center of the head 7-9. 
Cystidia ovate-globose, swelling out so as to be visible around the 
Margin of the head viewed from above. Stipe short, straight, con- 
Sisting of only a few hyphae. The short, nearly hyaline spines 
are distributed over the entire surface of the head, about as in &. 
echinata D. & L., from which this differs in the larger orbicular 
