464 Observations on Ferns 



5. A. Hippocrepis, Sw.; Plum. Fil. t. 150; Willd. Sp. PI. vol. 



v. p. 235. 



This fern varies much in size ; Plunder's figure is from a small plant. 

 Common at roadsides, Manchester. 



6. A. Sprengelii, Kaul.; Kaul. Enum. p. 239. 



Frequent ahout Wellington plantation, on the western face of the 

 Mayday Mountains, generally growing on living trees, along with Po- 

 lypodium simile. 



7. A. molle, Sw.; Schkuhr Crypt, t. 34, b.; Willd. Sp. PL vol. 



v. p. 246. 



Common in the woods in the Mayday and Carpenter's Mountains. 



8. A. invisum, Sw.; Sloane Jam. tt. 50, 51; Willd. Sp. PI. 



vol. v. p. 244. 



In great abundance at the roadside between Old England and Knock- 

 patrick plantations, Manchester. It is a very elegant fern, generally 

 attaining the height of 8 feet. 



9. A. venustum, n. s. 



A. venustum, frondibus glabris lanceolatis bipinnatifidis, pinnis lanceola- 

 tis basi truncatis subsessilibus alternis, laciniis falcatis rotundatis integer- 

 rimis ciliatis, soris minutis marginalibus. 



Frons 3 pedalis glabra. Stipes pedales tomentosi. Pinnae 6 pullicares 

 vere alternae, infimis brevibus. Indusium reniforme glabrum. 



This is a very gracefully growing fern, and conspicuous from its mar- 

 ginal fructification. I found it in the woods in the Mayday Mountains, 

 but not often. 



10. A.pubescens, Sw.; Icon. Fil. t 162; Willd. Sp. PI. vol. 



v. p. 271. 



Rather frequent in the back woods of the Mayday Mountains. 



11. A.? villosum, Sw.; Plum. Fil. t. 27; Willd. Sp. PI. vol. 



v. p. 271. 



I am not quite certain of being correct in assigning this name to my 

 plant, for I have never been able to detect any trace of an indusium on 

 my specimens ; but they are very like Plunder's figure, which Swartz 

 quotes, and as he changed it from Polypodium, I suppose mine must 

 have lost their indusium. 



Frequent in the woods near Old England plantation, Manchester. 



Adiantum, Linn. 



1. A. macrophyllum, Sw.; Icon. Fil. t. 132; Willd. Sp. PI. 

 vol. v. p. 429. 



I was only fortunate enough to find this truly elegant fern twice dur- 

 ing my residence in Jamaica ; once in a dense forest in the Mayday 



