no 



quoted. According to this gentleman, the order holds a kind of intermediate 

 place between Euphorbiacese and Celastrineoe, agreeing in habit with the 

 former, especially with Micranthea, and some species of Piiyllanthus, more 

 than with the latter. 



Geography. A very small group, comprising a few species from North 

 America, the south of Europe, and Straits of Magellan. 



Properties. Unknown. 



Examples. Empetrum, Corema, Ceratiola. 



XCII. STACKHOUSE^. 



SxACKHOUSEiE, R. Br. in Flinders, 555. (1814.) 



Diagnosis. Polypetalous dicotyledons, with 5 perigynous stamens, 

 concrete carpella, a superior deeply lobed ovarium with several cells and 

 lateral styles, and regular flowers. 



Anomalies. 



Essential Characteb Calt/x 1-leaved, 5-cleft, equal, with an inflated tube. 



Petals 5, equal, arising from the top of the tube of the calyx ; their claws combined in 

 a tube longer than the calyx ; their limb narrow, stellate. Stamens 5, distinct, une<iual 

 (2 alternately shorter), arising from the throat of the calyx. Ovarivm superior, 3- or 

 5-lobed, the lobes distinct, each with a single erect ovulum ; styles from 3 to 5, sometimes 

 combined at the base; stigmas simple. Fruit of from 3 to 5, indehiscent, winged, or 

 ■wingless pieces ; column central, persistent. Embryo erect, in the axis of, and almost as 



long as, the fleshy albumen Herbaceous plants. Leaves simple, entire, alternate, 



sometimes minute. Slipulce lateral, very minute. Spike terminal, each flower with 3 

 bracteee. 



Affinities. Between Celastrinese and Euphorbiaceae, according to 

 Mr. Brown ; from the latter of which they differ in the presence of petals, 

 in the structure of their fruit, and in the position of their seeds, besides 

 other characters ; from the former in the presence of sfipulae, in the cohesion 

 of the petals in a tube, in the want of a fleshy disk, in the deeply lobed 

 ovarium, and so on. 



Geography. A few New Holland shrubs compose all that is known 

 of the order. 



Properties. Unknown, 



Example. Stackhousia. 



XCIII. CELASTRINE.E. 



Celastrineoe, 7?. Brown in Flinders, 22. (1814); Dec. Prodr. 2. 2. (1825); Ad. 

 Brongniart Mimoire sur les Rhamnees, 16. (1826); Lindl. Synops. 74. (1829.) 



Diagnosis. Polypetalous dicotyledons, with 4 or 5 perigynous stamens 

 alternate with the petals, concrete carpella, a superior ovarium with several 

 cells surrounded by a large fleshy disk, ascending ovules, and alternate 

 simple leaves without stipulse. 



Anomalies. Flowers unisexual in Maytenus. Petals none in Alzatea. 



Essential Character Sepals A or 5, imbricated, inserted into the margin of an 



expanded torus. Petals inserted by a broad base, under the margin of the disk, with an 

 imbricate aestivation. Stamens alternate with the petals, inserted into the disk, either at 



