106 
Orprr XLVI. HALORAGESA. 
Flowers minute, uni- or bisexual. Calyx-tube adnate ; limb 
2-3-4-toothed or entire. Petals 2-3-4 (or 0), epigynous, 
with valvate or imbricate estivation, deciduous. Stamens as 
many or twice as many as the petals, and inserted with them, 
rarely fewer. Ovary inferior, 1-3-4-celled; ovules solitary or 
in fours, pendulous ; style, if any, separate, very short; stig- 
mas villous or feathery. Fruit nut-like or fleshy, 14-celled. 
Seeds pendulous ; embryo in the axis of fleshy albumen. 
Leaves on long petioles, all radical. Peduncles 
scape-like, bearing a compound spike of minute 
LLOWELSie -S0 tURSETA cle llaheeeiow Rey ws) kode eile GhUiNINnOEeae 
Leaves sessile, entire or toothed. Flowers axillary. 
—A creeping or prostrate herb. . . . . . . 2. SERPIOCULA. 
Leaves whorled, pectinate-parted. Flowers in ter- 
minal spikes.—Water plants. . . . . . . . 38. MYRIOPHYLLUM. 
1. GUNNERA, Linn. 
Flowers unisexual or bisexual. Calyx-tube terete or an- 
gular ; limb 2-3-lobed. Petals 2 or 0, coriaceous, deciduous. 
Stamens 1-2, opposite the petals; anthers 2-celled. Ovary 
1-celled, 1-ovuled; stigmas 2, long, simple, papillose. Fruit 
succulent, with a bony endocarp. Albumen copious; embryo 
very minute.—F7. Cap. ii. p. 571. 
Nearly stemless herbs, with long-petioled, reniform, many-nerved, sub- 
radical leaves. Scapes tall, ending in a compound spike or thyrsus of 
many minute flowers ; the female spikelets occupying the lower half of the 
spike.—G. perpensa, our only species, grows in wet ditches throughout the 
colony. 
2. SERPICULA, Linn. 
Flowers unisexual.—Male: Calyx minute, 4-toothed. Pe- 
tals 4, oblong, concave. Stamens 4 or 8.—Female: Calyx- 
tube 4-angled, 8-ribbed; limb 4-toothed. Petals and stamens 
0. Ovary 1-celled; ovules 4, pendulous ; stigmas 4, long and 
feathery. Fruit 8-ribbed, fleshy, with a bony endocarp, I- 
seeded.— Fl. Cap. i. p. 572. 
S. repens, Linn., our only species, grows in moist places throughout the 
colony. Stems decumbent, creeping. Leaves alternate or the lower oppo- 
site, sessile, lanceolate or oval, entire or toothed, often reddish. Stamens 4. 
3. MYRIOPHYLLUM, Linn. 
Flowers unisexual, rarely bisexual—Male: Calyx 4-parted. 
Petals 4, ovate, caducous. Stamens 4—6-8.—Female: Calyx- 
limb 4-parted. Petals 0 or very minute. Stamens abortive 
or 0. Ovary 4-celled ; stigmas 4, long, compressed, papulose 
