Portulacee—Portulaca. 75 
double and single varieties. It includes Thellussoni, with 
searlet flowers having a white centre; and spléndens, with 
crimson or purple flowers. A native of South America, and 
rather tender. 
2, CALANDRINIA. 
Glabrous annual or perennial herbs, shrubby at the base. 
Leaves alternate or fasciculate, fleshy. Flowers in racemes or 
umbels, rarely solitary. Sepals 2, free. Petals 5, rarely fewer 
or many, hypogynous as are the numerous stamens. Capsule 
3-valved. About sixty species are reported, natives of America 
and Australia. Named in honour of a German botanist. The 
three species noticed here are all from Chili, and perennial, 
though usually treated as tender annuals. They are very showy 
little plants, but open their flowers only when the sun shines 
upon them. 
1. C. discolor.—About a foot high with large flowers in 
racemes. The petals are broad, rosy purple, contrasting well 
-with the numerous orange-coloured stamens. 
2. OC. grandiflora.Similar to the last, but, contrary to the 
signification of the name, with smaller flowers of a darker 
purple. 
3. C. umbellata.—A dwarfer species, sinaller in all its parts, 
with the crimson or purple flowers collected in the form of an 
umbel. 
Orper XIX—TAMARISCINEZ. 
Shrubs or small trees with very minute often scale-like im- 
bricate leaves, and small flowers in dense spikes. Sepals 5, 
rarely 4,imbricate in bud. Petals of the same number or more, 
free or slightly connate at the base, imbricate in bud. Stamens 
4 to 10, free or connate below, inserted in the disk ; anthers 
versatile. Disk hypogynous or slightly perigynous, furnished 
with 10 glands. Capsule 3-5-valved. Seeds erect, plumose 
or winged; albumen none. Tdémariw yields manna and galls. 
Asmall order ; from the temperate and warm regions. 
1. TAMARIX. 
The characters as above. About twenty species are known. 
The name is from Zamaris, a river in Spain, where this 
genus abounds. These shrubs are invaluable for planting by 
the sea-side, where scarcely anything else will grow. 
