THE

BOTANICAL GAZETTE

EDITORS:

JOHN M. COULTER, The University of Chicago, Chicago, Ill.
CHARLES R. BARNES, University of Wisconsin, Madison, Wis.
J. C. ARTHUR, Purdue University, Lafayette, Ind.

LELAND

A.28130

PRINTED AT

The University of Chicago Press

TABLE OF CONTENTS.

Julius von Sachs. A biographical sketch, with portrait (with plate 1), F. Noll

Notes on the Euphorbias of Dr. Edward Palmer's Durango (Mexico), collection

of 1896 (illustrated),

Charles F. Millspaugh

A general review of the principal results of Swedish research into grain rust,

Jakob Eriksson

Red yeasts (with plates II and III),

Katherine E. Golden and Carleton G. Ferris

Contribution to the life-history of Ranunculus (with plates IV-VII),

Observations on some west American thermal alge (with plates VIII-X),

PAGE

I

13

26

39

W. F. Ganong

106

Society for plant morphology and physiology, -

Undescribed plants from Guatemala and other Central American Republics. XX

(with plate XII),

John Donnell Smith 145

Centrosomes in plants,

L. Guignard 158

New species and extended ranges of North American Caryophyllacea (with

plate XIII),

B. L. Robinson 165

On collecting and preparing fleshy fungi for the herbarium (with plate XIV),

Edward A. Burt 172

On some aspects of vegetable pathology and the conditions which influence the

dissemination of plant diseases,

W. C. Sturgis 187

Upon polyembryony and its morphology in Opuntia vulgaris (with plate XVI),

Flowers and insects. XVIII, -

-

W. F. Ganong 221

Charles Robertson 229

Theo Holm 246

John H. Schaffner 255

Pyrola aphylla: a morphological study (with plate XVII),

Notes on the salt marsh plants of northern Kansas, -

Some new and other noteworthy plants of the northwest,

The orientation of the plant egg and its ecological significance,

J. M. Greenman 261

Conway MacMillan 301

A contribution to the life-history of the Pontederiacea (with plates XIX-XX),

The groups of angiosperms,

The vegetation regions of the prairie province (with plate XXI),

Wilson R. Smith 324

A. Engler 338

Roscoe Pound and Frederic E. Clements 381

John H. Schaffner 395

George James Peirce 404

Observations on the nutation of Helianthus annuus,

On the mode of dissemination and on the reticulations of Ramalina reticulata

(illustrated),