89 
Munson, T. V. Les Vignes Américaines en Amérique—I. Rev. 
Viticulture, 1: 81-84. 13 Ja. 1894. rie. 
Oliver, D. Eremanthus purpurascens Oliv. Hook. Icon, Plant. 23: p/. 
2282. Ja. 1894. | 
_ A new Brazilian species. 
Oliver, D. Peltanthera floribunda Benth. Hook. Icon. Plant, 23: p/ 
. 2298. Ja. 1894. 
A Peruvian species collected by Spruce in 1859. 
Oliver, D. Sifotisia lanuginosa Glaziou. Hook. Icon. Plant. 23: A 
2281. Ja. 1894. ee : 
The description of a new composite genus with one species from Brazil. 
Peekholt, Theodor. Brasilianische Nutz-und Heilpflanzen—Mus- 
aceen. Pharm. Rundsch. 12: 35. Fb. 1894. 
Pieters, A. J. On the Study of Fresh-Water Alge. Asa. Gray Bull. 
No. 4. 1894. . 
Pillsbury, J. H. On the Color Descriptions of Flowers. Bot. Gaz. 19: 
15-18. 17 Ja. 1894. : 
Discusses sources of confusion in determining color in plants. Gives tests of vari- 
ous flowers and foliage as determined by Maxwell discs. 
Preinreich, H. Echinocactus tenuispermus Link & Otto. Monatssch. 
Kakteenk. 4: 6. fig. 20. Ja. 1894. 
Quick, Walter J. Sassafras trees. Science, 22: 6, 1894. 
Ecologic and economic notes, 
Rothrock, J.T. The American or White Elm. Forest Leaves, 4: 104 
Fb. 1894. 
Two illustrations of U/mus Americana, ; 
Schneider, Albert. Mutualistic Symbiosis of Alge and Bacteria, 
with Cycas revoluta. Bot. Gaz. 19: 25-32, pi g-4. 17 J - sto 
2 i root tubercles of Cycas infested with Mostoc, rhizobia and various bac- 
era, 
Schumann, K. Leuchtenbergia principis Fish, Hook. Monatssch. 
Kakteenk. 4: 9, fig. 20 Ja. 1894. : 
Sheldon, E, p. On the Nomenclature of some North American Species 
of Astragalus. Geol. Nat. Hist, Surv. Minn. Bull. 9, part 1, 19-24. 
16 Ja. 1894, 
Sheldon, E. P. Some Extension of Plant Ranges. Geol. ene ae - a 
Surv. Minn. Bull, 9, part 1, 14-18, p/. 7-2. 16 Ja. 1894. 
Polygonum rigidulum and Aster longulus are described mee eee ay: 
