278 THE TASMANIAN FLORA. 



Female amenta of 2 pairs of opposite scales, with 2 erect ovules at the base of 

 each of the inner ones, not materially altering in the fruiting condition. Seeds 

 3-winged. 



A genus of but 2 species, one being found in temperate South America. 



F. ABCHEEI, B. et H. An erect branched shrub, 4-5 feet. Leaves closely 

 imbricate, in 4 rows, thick, keeled, obtuse, | line. Male amenta solitary, 

 terminal, hardly differing from foliage. Fruiting amenta solitary, termiual, 

 about 1^ liae long, the scales rather fleshy. Seeds 2, about | line long, with a 

 pointed apex and 3 prominent wings. Diselma archeri, H. 



On mountain-tops. Mount Pelion, Adamson Peak, Mount La Perouse, Mount 

 Dundas, &c. 



8. CALLITRIS. 



Female amenta in 6, rarely 8, scales, in 2 ,whorls. Ovules several within each 

 scale. Fruit cone with much-enlarged scales, sometimes all appearing to arise 

 from the same level. Seeds irregular, 1-2 or 3-winged. 



A small genus, found in Australia and New Caledonia. 



Cone nearly globular ... ... ... ... ... 1. C. rhomboidea. 



Cone ovoid ... ... ... ... ... ... 2. C. ohlonga. 



1. C. RHOMBOIDEA, R. Br. A small tree, about 20 feet, much-branched at the 

 base. Leaves minute, triangular, in distant whorls of .3. Male amenta about 1 J 

 line, oblong, usually 3, at the ends of the branches, besides a few solitary ones 

 in the axils. Fruit cones usually in clusters of 3 or 4, nearly globular, \-^ inch 

 diameter. Scales 6, thick and woody. G. cupressiformis,YenX.; Frenela ventenati, 

 Mirb. ; F. rhomboidea, Endl. 



East Coast, Bass Straits ; also South Australia, Victoria, New South Wales, 

 and Queensland. 



2. C. OBLONGA, Rich. Very similar to the last, but less branched at the base. 

 Cones |-1 inch, ovoid. Scales thick and woody, narrow, 3 long and 3 much 

 shorter, hardly united at the base, each with a small protuberance near the apex. 

 Frenela australu, R. Br. 



South Esk, near Avooa and Launceston, &c. 



CRYPTOGAMS. 



The following Classes only are included here : — 



Ltcopodin* (Club-mosses). 

 Divided into : — 



Isoetacem. Spores of 2 kinds, in sporangia at the base of long quill-like 



leaves. Stems very short. 

 Lycofodiacem- Spores of one size. The sporangia solitary, in the 



axils of small leaves. Stemslong, often branched. 

 Selaginellacete. Similar to the last, but spores of two sizes. 



FiLiciNJ! (Ferns in the broadest sense). 

 Divided into : — 



Filices (Ferns) and Ophioglossacete (Adders' Tongues). Leaves relatively 

 large. Spores on the back or margin of the leaves, which are 



