P. Conway's Giant.—Flowers full, deep scarlet, about 8 in. in diameter.

P. Cooperi (Cooper's).—An English hybrid, remarkable for its large, beautiful yellow flowers.

P. Franzi (Franz's).—Flowers 3 in. to 4 in. across; petals numerous, outer ones scarlet, inner violet.

P. General Garibaldi.—Flowers very large, scarlet, tinged with orange on the reflex side.

P. grandiflorus (large-flowered).—Flowers bell-shaped, 4 in. across; sepals narrow, scarlet; petals incurved and of a fiery orange-scarlet colour.

P. Haagei (Haage's); Fig. 13.—Flowers about 5 in. across, flesh-coloured when first expanded, becoming carmine before fading.

FIG. 13.—PHYLLOCACTUS HAAGEI

P. ignescens (fiery).—Flowers 8 in. across, almost flat when expanded; petals numerous, deep brilliant scarlet.

P. Jenkinsoni (Jenkinson's).—Flowers medium in size, colour cherry-red.