APOCYNACEAE. 295 



long, white flowers about 8" broad, in terminal compound cymes, the corolla- 

 lobes about as long as the tube ; is recorded by Lefroy as common in gardens 

 prior to 1877. 



Tabernaemontana Cumingiana A. DC., of the Philippine Islands, a shrub 

 up to 5 high, with elliptic-lanceolate or oblong leaves 2 '-5' long, narrowed at 

 both ends, few-flowered cymes of white flowers in the upper axils, the slender 

 corolla-tube 7"-9" long, longer than the lobes, was represented at Mt. Lang- 

 ton by a vigorous plant in 1913. 



Arduina grandiflora E. Meyer, NATAL PLUM, South African, a glabrous 

 shrub 5 high or higher, with strong forked spines l'-2' long, thick ovate 

 entire mucronate short-petioled leaves l'-3' long; few-flowered terminal 

 cymes, the white corolla with a short tube and 5 oblong lobes about 1' long 

 overlapping to the left, the ovoid pointed red berry l'-2' long, is planted for 

 ornament and for its edible fruit. It is a good hedge-plant with fragrant 

 flowers. 



Trachelospermum divaricatum (Thunb.) K. Schum., STAR JESSAMINE, 

 Chinese, a pubescent woody climbing vine up to 15 long, with oval or 

 elliptic, short-petioled, acute or short-acuminate leaves 2'-3' long, and axillary 

 cymes of white or pinkish flowers about 1' broad, the linear follicles 4'-7' 

 long, is occasionally planted for ornament. [T. jasminoides Lemaire.] 



Beaumontia grandiflora Wall., BEAUMONTIA, East Indian, occasionally 

 planted for ornament, is a woody vine with opposite short-petioled elliptic to 

 obovate leaves 6 '-8' long, the apex abruptly acuminate, and very large white 

 fragrant clustered flowers, the 5 ovate acute sepals about 1' long, the cam- 

 panulate, 5-lobed corolla 4'-5' long. 



Family 5. ASCLEPIADACEAE Lindl. 

 MILKWEED FAMILY. 



Perennial herbs, vines or shrubs, mostly with milky juice, with estipu- 

 late leaves, and mostly umbellate perfect regular flowers. Calyx inferior, 

 its tube very short, or none, its segments imbricated or separate in the bud. 

 Corolla campanulate, urceolate, rotate or funnelform, 5-lobed or 5-cleft, 

 the segments commonly reflexed. A 5-lobed or 5-parted crown (corona) 

 between the corolla and the stamens and adnate to one or the other. Stamens 

 5, inserted on the corolla; filaments short, stout, mostly monadelphous, or 

 distinct; anthers attached by their bases to the filaments, introrsely 2-celled, 

 connivent around the stigma, or more or less united with each other; anther- 

 sacs tipped with an inflexed or erect scarious membrane, or unappendaged 

 at the top, sometimes appendaged at the base; pollen coherent into waxy 

 or granular masses, one or rarely two such masses in each sac, connected 

 with the stigma in pairs or fours, by 5 glandular corpuscles alternate with 

 the anthers. Disk none. Ovaiy of 2 carpels; styles 2, short, connected at 

 the summit by the peltate discoid stigma ; ovules numerous in each carpel, 

 mostly anatropous, pendulous. Fruit of 2 follicles. Seeds compressed, 

 usually appendaged by a long coma; endosperm cartilaginous; embryo 

 nearly as Ion? as the seed; cotyledons flat. About 220 genera and 2000 

 species, of wide distribution. 



