40 6. ALSOPHILA. 



42. A. Rebeccas, F. Muell. ; caud. slender, 8 ft. high ; fr. ample, bipinnate ; 

 lower pinnae oblong-lanceolate, 12-15 in. 1., 4-5 in. br. ; pinnl. 20-30 on each side, 

 the lower ones stalked, linear, 2-3 in. 1., | in br., the apex acuminate, the upper 

 part deeply, the lower less deeply incsio-crenate, the base rounded on both sides, 

 slightly auricled above ; texture subcoriaceous ; rachises reddish-brown, slightly 

 fibrillose, the main one rough, with raised points ; upper surface naked, lower 

 scattered over with small membranous scales; veins fine, 4-5 in a group ; sori prin- 

 cipally in 2 rows midway the midrib and edge.Fragm. 5. p. 53. Hk. Ic. t. 1015. 



Hab. Buckingham Bay, Messrs. Sill & Dallachy.Verj near A. podophylla, but the 

 veins few, and under surface with small scattered scales. 



43. A. Leichardtiana, F. Muell. ; st. jointed upon the caud. ; main and second, 

 rachises all dark ebeneous purple, deciduously pulverulent, mucronato-spinulose ; 

 fr. firm, cartilagineo-chartaceous, dark-green above, subglaucous beneath, gla- 

 brous or nearly so and scaleless, tripinnate ; prim, pinna; 1^-2 ft. 1., 8 in. w., ob- 

 long lanceolate, acuminate ; second, pinnae oblong-acuminate, sessile, pinnatifid 

 only at the apex ; costce beneath pubescenti-asperous ; ult. pinnl. and lobes linear- 

 oblong, acute, the margins slightly recurved, spinuloso-serrate ; sori copious, 

 close to the costa ; recept. small, not hairy. A. Macarthurii, Hk. A. Moorei, 

 J. 8m. 



Hab. Woods near Sydney, Sir Wm. M c Arthur ; Hastings and Marlony Rivers, Beckler ; 

 Illawara, Shepperd ; Mt. Lindsay (caud. 20-25 ft. 1., 9 in. w.). " Whip-stick Fern " of the 

 colonists. Allied to A . aust>-alis r but assuredly distinct. 



44. A. australis, Br. ; st. with very long, firm, subulate scales, 1^ ft. 1., 

 and as well as the main rachises muricato-asperous, stramineous ; fr. ample, 

 coriaceo-submembranaceous, subglaucous beneath, more or less villous on the 

 COSISD and costule above, and very minutely bullato-paleaceous beneath, often 

 quite naked ; prim, pinnce l ft. 1., 6-10. in. w. ; pinnl. 3-4 in. 1., -f in. w., 

 oblong, acuminate, deeply pinnatifid, or, towards the base even pinnate ; ult. 

 pinnl. or lobes oblong, acute, serrated, subfalcate ; sori copious, rather small, 

 intermediate between the costule and the margin : recept. villous. Hk. Sp. 

 1. p. 50. 1. 19. A. 



Hab. Tasmania and Australia, especially in the South ; Hastings and Clarence Rivers, 

 BecUer. 



45. A. Colensoi, Hk. f. ; unarmed, caud. small, to 4-5 ft. 1. ; st. short, densely 

 clothed with very long, white, silvery, subulate scales, 1 in. 1., and with copious 

 lesser dark brown ones on the rest of the stipes, rachises, and costoe, mixed with 

 small bullate scales ; fr. submembranaceous, subhirsute, 2-4 in. 1., 10-12 in. or 

 more w. ; prim, pinnae 12-14 in. 1., oblong, acuminate ; pinnl. 2 in. 1., 4-5 in. w., 

 rather distant, deeply nearly to the costa pinnatifid ; lobes 2-3 lines 1., ovato- 

 oblong, strongly serrated ; veins all simple ; sori small, nearer the costule than 

 the margin. #./. Fl. N. Zeal. 2. p. 8. t. 73. 



Hab. New Zealand, Northern Island, Colenso ; Otago, Sinclair. 



46. A. excelsa, Br. ; st. and main rachises muricated ; fr. ample, coriaceous, 

 dark green above, paler beneath, when young more or less ferrugineo-tomentose 

 beneath, mixed with copious, small, bullate scales on the costse and costules ; 

 prim. pinn. 1^-2 ft. 1., 6-10 in. w. ; pinnl. numerous, approximate, oblong-lan- 

 ceolate, acuminated, deeply to the costule pinnatifid, often quite pinnate ; lobes 

 or ult. pinnl. -f in. 1., oblong or linear-oblong, acute or obtuse, falcate, the 

 margins subrecurved, serrated ; veins once or twice or more forked ; sori copious 

 near the costules. Hk. Sp. I. p. 49. t. 18. A. 



Hab. Norfolk Island. Said to have a trunk 60-80 ft. 1. The segments of the sterile 

 fronds are larger and broader than the more coriaceous fertile ones, and of a paler green. 

 It appears to be a larger and stouter-growing plant than A. australw. 



