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Pictured are flowers of the order boraginaceae, verbenaceae, labiatae, and nolanaceae. The flowers of these orders that are illustrated are (1) borago, (2) symphytum, (3) cynoglosum, (4) omphalodes, (5) verbena, (6) lantana, (7) mentha, (8) thymus, (9) salvia, (10) lamium, and (11) nolana.

Orders of Boraginaceae, Verbenaceae, Labiatae, and Nolanaceae

Pictured are flowers of the order boraginaceae, verbenaceae, labiatae, and nolanaceae. The flowers of…

Transverse section of a lobule of an injected infantile thymus gland. Labels: a, capsule of connective tissue surrounding the lobule; b, membrane of the glandular vesicles; c, cavity of the lobule, from which the large blood vessels are seen to extend towards and ramify in the spheroidal masses of the lobule.

Lobule of Thymus Gland

Transverse section of a lobule of an injected infantile thymus gland. Labels: a, capsule of connective…

The thymus gland in a full term fetus.

Thymus Gland

The thymus gland in a full term fetus.

Deep surface of the thymus gland, taken from a fetus.

Thymus Gland

Deep surface of the thymus gland, taken from a fetus.

Section of thymus body of man of twenty eight, showing invasion and replacement of thymus tissue by fat.

Thymus Showing Replacement of Thymus Tissue by Fat

Section of thymus body of man of twenty eight, showing invasion and replacement of thymus tissue by…

Elements of the thymus.

Elements of the Thymus

Elements of the thymus.

A lobule of the thymus of a child, as seen under low power. Labels: C, cortex; c, concentric corpuscles within medulla; b, blood vessels; tr, trabeculae.

Lobe of the Thymus

A lobule of the thymus of a child, as seen under low power. Labels: C, cortex; c, concentric corpuscles…

Minute structure of the thymus gland. Lobule of inject thymus from a calf, four days old, slightly diagrammatic, magnified about 50 diameters. The large vessels are disposed in two rings, one of which surrounds the lobule, the other lies just within the margin of the medulla.

Structure of the Thymus

Minute structure of the thymus gland. Lobule of inject thymus from a calf, four days old, slightly diagrammatic,…

Transverse section of thymus of child, showing general arrangement of lobules.

Transverse Section of Thymus

Transverse section of thymus of child, showing general arrangement of lobules.