290 LOGANIA FAMILY. 



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

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



10- PEHIPLOCA. (A Greek name, implying that the plant twines.) 2/ 



P. Grhca, 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. LOGANIACKE, 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. H>,rbs, 

 shrubs, or trees, often united to Eubiacese. 



* 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-parted, 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 

 POLYPEEMUM, also S., is a common weedy plant ; —both wholly Insignificant, as well 

 in the herbage as in the minute white flowers. 



1. GELSEMIUM, 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 axillary clus- 

 ters of bright yellow, very fragrant, handsome flowers (1' or more long), 

 in early spring. Va., S. 



