[Pg 100]
PLATE DXLII.
RUELLIA INFUNDIBULIFORMIS.
Funnel-flowered Ruellia.
CLASS IV. ORDER I.
TETRANDRIA MONOGYNIA. Four Chives. One Pointal.
ESSENTIAL GENERIC CHARACTER.
Calyx 5-partitus. Corolla monopetala, limbo 5-lobo, inæquali. Stamina biconjugata. Stylus filiformis. Stigma bifidum. Capsula dissepimentis dentatis, elasticis, dehiscentibus. Semina pauca.
Empalement 5-parted. Blossom one petal: border 5-lobed, unequal. Chives by pairs. Shaft thread-shaped. Summit two-cleft. Capsule with the partitions toothed, elastic, and splitting. Seeds few.
SPECIFIC CHARACTER.