ClipArt ETC
"C, cell showing numerous chloroplasts scattered through the cytoplasm." -Stevens, 1916

Plant Cell

"C, cell showing numerous chloroplasts scattered through the cytoplasm." -Stevens, 1916

"B, cells from the petal of Lupinus luteus with yellow chromoplasts." -Stevens, 1916

L. Luteus Cell

"B, cells from the petal of Lupinus luteus with yellow chromoplasts." -Stevens, 1916

"A, embryonic cells from onion root tip; d, plasmatic membrane; c, cytoplasm; a, nuclear membrane enclosing the thread-like nuclear reticulum; b, nucleolus; e, plastids (black dots scattered about)." -Stevens, 1916

Onion Cells

"A, embryonic cells from onion root tip; d, plasmatic membrane; c, cytoplasm; a, nuclear membrane enclosing…

"B, older (onion) cells farther back from the root tip. The cytoplasm is becoming vacuolate; f, vacuole." -Stevens, 1916

Onion Cells

"B, older (onion) cells farther back from the root tip. The cytoplasm is becoming vacuolate; f, vacuole."…

"A, cell from the epidermis of the upper side of the calyx of Tropaeolum majus with crystalline chromoplasts." -Stevens, 1916

T. Majus Cell

"A, cell from the epidermis of the upper side of the calyx of Tropaeolum majus with crystalline chromoplasts."…

In onion cells: "C, a cell from the epidermis of the mid-rib of Tradescantia zebrina, in its natural condition on the right, and plasmolyzed by salt solution on the left; g, space left by the recedence of the cytoplasm from the wall; the plasma membrane can now be seen as a delicate membrane bounding the shrunken protoplast." -Stevens, 1916

T. Zebrina Cell

In onion cells: "C, a cell from the epidermis of the mid-rib of Tradescantia zebrina, in its natural…