544 
Glabrous shrui 
entire, often gla 
small, apetalous 
all the upper po. 
sepals. Stamer 
cate, longitudin 
base of the rac 
linear, entire ; 
fleshy, indehisce 
fleshy aril. 
Species 7-8, : 
Archipelago. 
1. H. polyan 
everywhere pertfe 
prominent scars 
diam., in old pla 
rhomboid - orbicu 
beneath ; petiole epee nr ETI 
Racemes slender, vas amare lowers : Very numerous, rather 
loosely placed, ; in. diam.; bracts minute, 1—-2-glandular at the base. 
Stamens about 40, ver short. closely packed in a globose head. Female 
flowers: 1 to 4 at the ; 1-4. nodieels. drooping. 
Capsule 4—-#1n., trigc | 
in a yellowish aril, f 
Hook. f. mn Journ. 
polyandrum Hook. f 
Inst. xx (1888) 172. 
KERMADEC ISLANI 
to specimens growing 
IstanD: A few plants 
year. 
Endemic, but very closely allied to the Polynesian H. pedicellatus Benth. (Carum- 
bium nutans Muell. Arg.), principally differing in the larger number of stamens. 
Family LVIIT. CALLITRICHACEAE. 
Perfectly glabrous slender herbs, usually growing in wet places, often 
aquatic. Leaves opposite, linear or obovate-spathulate, quite entire, the 
upper ones often crowded or rosulate. Flowers monoecious, minute, axil- 
lary, solitary or rarely a male and female in the same axil, without perianth.. 
Male flowers of a single stamen subtended by two minute bracts; filaments 
slender, elongated ; anther 2-celled, cells confluent above. Female flowers 
with or without the 2 bracts. Ovary sessile or shortly stalked, 4-celled ; 
ovules solitary in each cell; styles 2, elongated, stigmatic throughout their 
length. Fruit flattened, indehiscent, 4-lobed and 4-celled, ultimately sepa- 
rating into 4 l-seeded carpels. Consists of the following genus. 
els 
