LIII. HALORAGEX (OLIVER). 405 
various, stigma papillose or plumose. Fruit small, a nut or drupaceous. 
Seed with a fleshy albumen.—Herbs (or undershrubs), often aquatic. 
Leaves radical or cauline, opposite or alternate, usually exstipulate. 
Flowers axillary, solitary or fascicled, or in paniculate spikes. 
A small Natural Order, generally distributed over the Globe. 
Flowers axillary, fascicled. Stamens 4-8. Ovary inferior, 1-celled, 
POC Oe Sa ye ee 
Flowers in spiciform panicled spikes. Stamens 2-1. Ovary inferior, 
Peed, foviled eb tn Ge a 
Flowers axillary, solitary, achlamydeous. Stamen 1. Ovary 4-lobed, 
WO es ae : we ces . . . 8 Cannirricus, 
1. SERPICULA. 
2. GUNNERA. 
1. SERPICULA, Linn. ; Benth. et Hook. f. Gen. Plant. i. 675. 
Flowers minute in axillary fascicles, moncecious or polygamous. 
Male flowers: Calyx-tube short, lobes 4. Petals 4, linear or oblan- 
ceolate, concave above. Stamens 8 or 4; filaments short or 0; anthers 
linear, basifixed. Female flowers: Calyx-tube ovoid, 8-ribbed, or with 
8 rows of 3 or 4 tubercles, sometimes confluent, to each; teeth 4, ovate 
or deltoid. Petals as in male. Ovary 1-celled with 4 pendulous ovules ; 
stigmas 4, papillose. Nut minute, l-seeded, crustaceous. Seed albu- 
minous.—Low herbs, glabrous or pubescent. Leaves opposite or alter- 
nate, simple. Male flowers in some species on slender pedicels; female 
sessile or subsessile. 
A small genus of 2-4 species, wide-spread in the Tropics. 
Upper Guinea. Nupe, Niger, Barter! 
Lower Guinea. Huilla, Angola, Dr. Welwitsch! : 
_, Some of the specimens cited correspond with S. brasiliensis, Camb. (Fl. Bras. Merid. 
il. 250), which 1 can only regard as a variety of S, repens. 
Grows also at the Cape. 
2. GUNNERA, Linn.; Benth. et Hook. f. Gen. Plant. i. 676. 
Flowers moncecious or polygamous, minute, spicate ; spikes in spici- 
form panicles. Calyx-lobes small, 2 or more; tube in fertile flowers 
adnate to the ovary. Petals 0 or 1-2. Stamens 2 or 1; anthers 
ellipsoidal, basifixed, subsessile or filaments distinct. trad inferior 
l-celled, with a solitary, pendulous ovule; styles 2, subulate, uni- 
formly papillose. Fruit a small nut or drupaceous with a crustaceous 
