A 
6 XLVIII. MYRTACER. [Actinodium. 
tered, sessile, erect or slightly spreading, linear-terete and channelled above or 
triquetrous, obtuse or mucronulate, either slender and distant, or short, thick, 
under the calyx, the outer flowers of the head usually barren, pedicellate, the 
bracts, braeteoles, calyx-lobes, and petals, all linear aud petal-like, and growing 
u or even 4 lines, forming an apparently white ray to the head, and 
the whole surrounded by a short involucre of more or less coloured, oblong 
or obovate, acuminate, imbricate bracts or floral leaves passing into the stem- 
leaves. Calyx 1 to 14 lines long ; the lobes about as long as the tube. Petals 
narrow, entire or toothed at the end. After the flowering is over, either the 
centra 
WW. Australia. King George's Sound and adjoining districts, and eastward to Ca 
Riche, R. Brown, and others ; Drummond, 8rd Coll. n. 911, 4th Coll. n. 43 and 44, 5th 
Coll. n. 102; Preiss, n. 293; Moir’s Inlet, Maxwell. 
2. DARWINIA, Rudge. 
(Genetyllis, DC. ; Hedaroma, Lindl. ; Polyzone, Endl. ; Schuermannia, F, Muell, ; 
Cryptostemon, F. Muell.; Francisia, Endi.) 
Bracteoles thin and scarious, concave, and keeled, enclosing the young bud, 
and very deciduous, or small, narrow, and more persistent, 
The genus is limited to Australia. Perfect seeds have been examined only in very few 
species. 
etyllis.— (Ca/yx-lobes not exceeding half the length of the petals, and 
CTION I. Gen 
often very minute. Flowers in single terminal heads, rarely becomi à 
gation of the central axis. A becoming lateral by the elon 
