37. DOODIA. 189 



Lorinseria, Presl. Fronds dimorphous, veins everywhere anastomosing. 

 Sp. 6-6. 



5. W. areolata, Moore; sterile fr. with a slender st., 9-12 in. 1., 6-8 in. br., 

 deltoid-ovate, with numerous oblong-lanceolate sinuated pinnae on each side, the 

 lower ones 3-4 in. 1., ^-f in. br., reaching down to the rachis, which above has a 

 broad wing; texture herbaceous, both surfaces naked ; fertile fr. with an 

 elongated, strong, erect, chesnut-brown, naked stem ; pinnae 3-4 in. 1., narrowly 

 linear, |-1 in. apart. Hk. Sp. 3. p. 70. Gard. F. t. 61. W. angustifolia, Sm. 



Hab. United States, from Massachusetts to Florida. 



6. W. Harlandii, Hk. ; st. 6-18 in. 1., erect, nearly naked ; barren fr. varying 

 in shape from linear-lanceolate, undivided, to broadly ovate, with 1 or 2 spreading 

 linear-lanceolate lobes 3-4 in. 1., -|-f in. br., reaching down to a broadly-winged 

 rachis ; texture coriaceous, both surfaces naked ; fertile fr. with more numerous 

 and narrower lobes, the lowest pair often quite free from the others ; sori in 

 broad lines close to the midrib of the lobes, with short lines branching from these 

 in an erecto-patent direction. Hk. Sp. 3. p. 70. Fil. Ex. t. 7. 



Hab. Hong-Kong. 



GEN. 37. DOODIA, R. Br. 



Sori oblong or slightly curved, superficial, placed in one or more rows parallel 

 with and between the midribs and margins of the pinnae. Invol. membranous, 

 the same shape as the sorus. Veins forming one or two series of arches between the 

 midrib and edge, on which the sori are placed. Fronds 6-18 in. I., pinnate or pin- 

 natifid. A small genus, confined to the islands from Ceylon eastward to Fiji, New 

 Zealand, and Australia. TAB. IV. f. 37. 



* Pinnatifid. Sp. 1-3. 



1. D. aspera, R. Br. ; st. 2-4 in. 1., erect, dark-coloured, asperous ; fr. 6-18 in. 

 1., 2-4 in. br., oblong-lanceolate, with numerous spreading linear pinnce on each 

 side, which are 1-2 in. 1., ^ in. br., the margin strongly serrated, the base dilated, 

 the lower ones dwindling down gradually to mere auricles ; texture coriaceous ; 

 sori oblong, about their own length apart, in one or two rows, the innermost a 

 short distance from the midrib. Hk. tip. 3. p. 71. 



Hab. Temperate Australia. 



2. D. blechnoides, Cunning. ; st. 3-4 in. 1., erect, slightly scabrous below ; fr. 

 15 in. 1., 6 in. br., oblong-lanceolate, with numerous spreading linear pinnce on 

 each side, the largest of which are 3 in. 1., by rather more than J in. br., the 

 margin sharply serrated, the base dilated, the upper ones connected, the lower 

 ones shorter and free, not dwindling down to auricles ; texture coriaceous ; sori 

 oblong, in a rather irregular row contiguous to the midrib. Hk. /Sp. 3. p. 72. 



Hab. N. S. Wales. Our description is taken from a wild specimen gathered by 

 Mr. Fraser. The plant cultivated under this name has the pinnae reduced very gradually 

 below, as in the last. 



3. D. dives, Kunze ; st. 6-12 in. 1., slender, erect, smooth, clothed towards the 

 base with dark-coloured linear scales ; sterile fr. 1 ft. 1., 3-5 in. br., oblong- 

 lanceolate, with numerous spreading linear-oblong pinna? on each side, which are 

 2-3 in. 1., | in. br., the point blunt, the margin undulated and serrated, the base 

 suddenly dilated, and all except the lowest connected ; texture coriaceous ; fertile 

 fr. longer, with narrow linear pinnae, the central ones 1 in. apart, connected by a 



