XXXVI. CELASTRINES. 55 
of the disk, close to the ovary, free or connate with the ovary ; 
filaments flattened, recurved; anthers mostly extrorse, 2—1- 
celled. Disk thick, flat or conical, sinuate. Ovary immersed 
in the disk, 3-celled, tapermg’ into a short or longer style ; 
stigma simple or 3- lobed ; ovules 2, 4, or more, axile. Fruit 
berried, 1-3-celled ; cells 14. seeded. Seed exalbuminous.— 
Fi. Cap. 1. p. 230. 
Trees or shrubs, often climbing.—1 South African species, found near 
Natal, with alternate leaves. Flowers in axillary tufts. 
Orper XXXVII. RHAMNEZ. 
Flowers perfect, regular. Calyx-limb 4-5-fid, the lobes 
acute, valvate in bud. Petals 4, 5 or O, inserted in the 
throat of the calyx, usually small, hood-shaped or flat. Sta- 
mens 4-5, inserted with the petals and opposite them. Disk 
perigynous (rarely 0), either thick, fillmg the calyx-tube, or 
annular, or cup-like, simple or lobed. Ovary sessile, free or 
more or less adnate to the calyx-tube ; 3- rarely 2-4. celled ; 
style erect, simple or cleft; ovules mostly solitary, erect. 
Fruit fleshy or capsular. Seeds mostly albuminous.—Trees or 
shrubs, often spiny, sometimes climbing. Leaves simple, al- 
ternate or opposite, often 3-5-nerved, or narrow-linear, 1- 
nerved. Flowers small, in axillary cymes or terminal, capitate. 
Ovary quite fre adhering to the calyx-tube). 
Ovary sunk in and confluent with the flat, 5-angled disk . 1. Zizypuus. 
Ovary not sunk in or confluent with the disk. 
Disk thin, lining the calyx-tube; styles 3-4. . . . 2, RHAMNUS. 
Disk fleshy, filling up the calyx- -tube, but not confluent 
with the ovary; style simple . . . a) ee SO OURTAS 
Ovary more or less adhering to the Bante: "fruit inferior or half-in- 
ferior. 
An erect shrub, with expanded, re a serrate leaves ; 
flowers panicled, glabrous. . ae 2) te NORDEA, 
A climbing shrub, with expanded, " penninerved, entire 
leaves ; flowers in axillary cymes, glabrous . . . . . 5. HELINUS. 
Small erect shrubs, with crowded, often linear, entire leaves, 
and flowers in heads or spikes, he panicled ; calyx 
Ley oS en cee A ae : ou oe SU Gli aan 
1. ZIZYPHUS, Juss. 
Calyx 5-fid, the tube broadly obconic, the lobes ovate, 
spreading, keeled within. Petals 5, rarely 0, hood- shaped. 
Disk flat, 5-angled, the margin free. Stamens 5, exserted. 
Ovary immersed in the disk ‘and confluent with it at base, 2- 
rarely 3-4-celled; styles 2-3, free or connate, divergent. 
Drupe fleshy, globose or oblong, 1-3-celled.—F!. Cap. i. p. 475. 
