290 LOGANIA FAMILY. 



umbels of very showy fragrant flowers, the pure white corolla 1^' in dia- 

 meter, the tube 1' long, and egg-shaped, naked fruit. Madagascar. 



10. PERIPLOCA. (A Greek name, implying that the plant twines.) 2 



P. Grceca, Linn. S. Eu., cult, as an ornamental twiner, hardy through 

 the Middle States ; smooth, with opposite ovate, mostly pointed leaves, 

 on short petioles, and lateral cymes of rather small flowers, the corolla 

 greenish-yellow, with the upper face of the oblong lobes brownish-purple ; 

 in summer. 



11. STAPELIA. (Named for a Dutch naturalist, Dr. Van Stapel.) 

 Strange-looking, fleshy plants of the Cape of Good Hope, cult, in con- 

 servatories along with Cactuses. Many species are cult. ; one of the 

 commonest is 



S. hirsuta, Linn. Stems or branches 6'-10' high, with concave sides, 

 pale and obscurely downy ; flower 3'-4' in diameter, dull purple and 

 yellowish, with darker transverse stripes, beset with purple, very long 

 hairs, and with denser hairiness towards the center, exhaling a most dis- 

 gusting odor, not unlike that of putrid meat. 



LXXIV. LOGANIACEJ1, LOGANIA FAMILY. 



Known among monopetalous plants by having opposite 

 leaves with stipules or a stipular line between their bases, 

 along with a free ovary; the 4-5-merous flower regular or 

 nearly so, the stamens as many as the lobes of the corolla and 

 alternate with them, and the ovary free from the calyx. Herbs, 

 shrubs, or trees, often united to Rubiacese. 



* Woody twining climber, with evergreen leaves and showy flowers. 



1. GEL8EMIUM. Calyx 5-parted. Corolla open funnel form, the 5 lobes broad and Im- 



bricated in the bud. Stamens 5 ; anthers sagittate. Style slender ; stigmas 2, each 

 2-parted, lobes linear ; ovary 2-celled. Pod oval, flattened contrary to the partition, 

 2-valved, many-seeded. Seeds winged. 



* * Herbs, not climbing. 



2. SPIGELIA. Calyx 5-parteTl, the lobes narrow. Corolla tubular and somewhat funnel 



form, the 5 lobes valvate in the bud. Stamens 5 ; anthers linear. Style 1, slender, 

 hairy above, jointed near the middle. Pod short, twin, 2-celled, few-seeded, when ripe 

 separating across near the base which is left behind, and splitting into 2 or 4 valves. 

 MITEEOLA, of the South, comprises two inconspicuous weeds, and 

 POLTPREMUM, also 8., is a common weedy plant ; both wholly insignificant, as well 

 in the herbage as in the minute white flowers. 



1. QELSEMIUM, YELLOW JESSAMINE of the South, the name 

 an Italian one for Jessamine, but of a different order from true Jessa- 

 mine. 



G. sempe'rvirens, Ait. Climbing on trees, bearing shining, lance- 

 ovate, small leaves (evergreen far S.), and a profusion of axillaiy clus- 

 ters of bright yellow, very fragrant, handsome flowers (!' or more long), 

 in early spring. Va., S. 



