316 OXXV. CASUARINE® (Wright). [| Casuarina. 
Benth. Fl. Austral. vi. 197 ; Hook. f. Fl. Brit. Ind. v. 598; Engl. Pfl. 
Ost-Afr. A. 4, B. 289, C. 159; Knuth, Blutenbiol. iii. 219, fig. 39 ; 
Engl. Pflanzenfam. iii. i. 17, fig. 15. C. africana, Lour. FI. Cochinch. 
ed. 1, ii. 670, ed. 2, 549. 
Mozamb. Distr. German East Africa: Dar-es-Salaam, Hildebrandt, 1234! 
Usambara; Derema, Scheffler, 182! Rovuma Bay, Kirk! Portuguese East 
Africa : Namiqua Island, Speke! Hutton! Mafinale, Forbes ; Gazaland, Swyn- 
nerton ! 
Also on the east side of the Bay of Bengal, the Malay Islands, north of Aus- 
tralia and the Pacific Islands. Cultivated specimens have heen seen from “ St. 
Ludovici ” Island, Senegal, Brunner, 167, and Aburi, Gold Coast, Johnson, 792. 
Orper CXXVI. SALICINEA. 
(By S. A. Sxan.) 
Flowers dicecious, one under each bract, in cylindric catkins or 
more rarely in racemes, ebracteolate. Perianth 0. Disc of 2 gland- 
like scales, one posterior, the other anterior, or one only and then 
posterior, sometimes cup-shaped, obliquely truncate, crenate or 
variously lobed. Male flowers: Stamens 2 to many; filaments free 
or connate ; anthers ovate or oblong, affixed at the base or at the 
back near the base ; cells 2, distinct, parallel, dehiscing longitudinally; 
rudiment of the ovary 0. Female flowers : Ovary sessile or shortly 
stalked, 1-celled ; placentas 2-4, parietal ; style short or 0 ; stigmas 
2-4, rather thick, emarginate or 2-fid and lobed ; ovules 2 to many, 
in 2 to many series, ascending, anatropous. Capsule ovoid or lanceo- 
late, 2-4-valved. Seeds few or many, small or minute, each with 
numerous long silky hairs arising from the funicle ; testa very thin ; 
albumen 0; cotyledons plano-convex ; radicle short, inferior.—Trees 
or shrubs. Leaves alternate, entire, toothed or sometimes lobed, 
nearly always deciduous ; stipules free, small, scale-like and deciduous 
or larger, leafy, and persistent. Flowers in catkins. Catkins axillary 
and sessile or terminating short branches, appearing before or with 
the leaves, pendulous or erect, often silky-villous. Bracts mem- 
branous, caducous or sometimes in the female catkins persisting 
till the ripening of the fruits. 
Genera 2; species about 210, widely dispersed in the Arctic, Temperate 
and Tropical Regions ot both hemispheres, most frequent in Europe, ‘Temperate 
Asia and North America, usually on the banks of streams or in moist places. 
Leaves usually narrow. Disc of 1 or 2 small distinct 
glands ... 1, Saux. 
Leaves usually broad. Disc cupshaped or annular 2. PoPULUS. 
