MACLOSKIE: REVISION OF FLORA PATAGONICA. 7 



pinnulis laciniisque dense confertis, plerumque imbricatis, segmentis inte- 

 gerrimis, oblongo-linearibus, obtusis ; pinnae ac pinnulae pedicellate. 

 NW. Patagonia, Rio Manso ; W. Magellan. 



Add Macl., p. 128: 



H. TUNBRIDGENSE (L.) Sm. 



Pusillum; rhizoma valde ramosum, tenue, atro-brunneum, juventute 

 pilis brunnescentibus vestitum, demum glaberrimum ; folia 2-6 cm. longa, 

 sordido-viridia, opaca, primo pilis brunnescentibus obtecta, demum gla- 

 berrima; stipes frondem dimidiam plerumque aequans, in parte superiore 

 cum rachi alatus ; pinnae utrinque 7-15, alternantes, confertae, inferiores 

 utrinque, superiores antice pinnulatae, pinnulis lineari-oblongis, i-nerva- 

 tis, interdum bilobatis, remote acuteque serratis, apice truncatis vel ro- 

 tundatis ; sori plerumque solummodo in parte dimidia superiore frondis 

 dispositi, nervos secundarios posticos terminantes; segmenta indusii 

 semiorbicularia vel obovata, incisa, serrata ; annulus obliquus. 



W. Magellan. S. Fuegia. 



Description. Leaves 2-6 cm. long, in their young state covered with 

 brownish hairs, soon to fall off, when adult glabrous, dirty-green, pale; 

 stipe usually half as long as the frond, winged at the top as well as at the 

 rachis; pinnae 7-15 on both sides of the rachis, alternate, crowded, the 

 lower being pinnulate on both sides, the uppermost only on the upper 

 side, the pinnulae being linear-oblong, i-nerved, sometimes bilobed, 

 remotely and acutely serrate and truncate or rounded at the end ; sori 

 generally confined to the upper half of the frond, attached to the end 

 of the secondary nerves on the lower side of the pinnae ; indusium with 

 semiorbicular or obovate segments which are incised and serrate. 



Add the following: 



H. RARUM R. Br. Macl., p. 130. 



The occurrence of this species in S. America appears to be somewhat 

 doubtful. H. rarum is omitted in The Reports of the French Cape Horn 

 Expedition, and has been found neither by Skottsberg, nor by Spegazzini 

 and Dusen. The S. American plant hitherto stated to belong to H. 

 rarum represents, according to Christiansen, some forms of 21, Hymcno- 

 phyllum ctmeatum Kee, Anal, pterid., p. 50, which consequently should 

 replace H. rarum R. Br. 



