PLANTS OF THE INDIAN DESEET. 299
BIBLIOGRAPHY
Cannon, W. A. Root Habits of Desert Plants.
De Bary, A. Comparative Anatomy of the Phanerogams and
Ferns. Haberlandt G. Physiological Plant Anatomy. Henslaw, G. Origin of Plant Structures. Jost, L. Plant Physiology.
Pfeffer, W. Systematic Anatomy of the Dicotyledons. Volkens, G, Flora der Aegyptisch-Arabischen Wiiste.
ABBREVIATIONS
W. — Water*storing tracheid. L. C. — Lysigenous cavity. A. — Water-storing cell.
B. C. — Balsam canal.
G. — Internal secretory cell.
A. E. — Acicular raphides.
CI. — Collencbyma.
Z. — Anomalous xylem bundles.
C.— Cork.
S.— 3tone tissue.
C. P. — Cortical parenchyma, P.— Soft bast.
G. A. — Assimilatory tissue.
Ep. — Epidermis.
S. R. — Secretory receptacle.
S. C. — Secretory receptacle.
S. cl. — Small-celled collenchyma.
S. V. — Sieve-sclereid.
C. S. Crystal Sand.
X — Xylem.
G. T. — Ground tissue.
S. — Small stone cells.
T. S. — Transverse section.
Oc— Ocular.
Oc. Com. — Compens. ocular.
Ob. — Objective.
Ap. — Apochromat.
