20. LINDSAYA, EULINDSAYA. 107 



a simply pinnate point, and several pairs of erecto-pacent branches, some of 

 which are again a little branched below ; pinnl. 4 lin. br,, 3 lin. deep, nearly 

 entire or once or twice cleft from the upper margin, placed close together, but 

 not imbricated ; texture thickly pellucido-herbaceous ; sori in a continuous line 

 except when interrupted by the lobes. L. Gardneri, Hk. Sp. l.p. 213. t. 65. B. 



Hab. Organ Mountains, Brazil ; gathered by Burchell and Gardner. Allied in habit 

 to L. flabellulata, but the pinnules are smaller and more divided. 



16. L. flabellulata,, Dry. ; rJiizome short-creeping ; st. wiry, erect, brownish- 

 black, polished, 4-12 in. 1. ; fr. 6-12 in. 1., simple or with one or several pairs of 

 lateral branches ; pinnl. j-^ in. L, about ^ in. deep, the lower line nearly straight 

 or decurved, the upper rounded, entire, or lobed, the point broadly rounded ; 

 texture pellucido-herbaceous ; rachis naked ; venation fiabellate ; sori in a con- 

 tinuous line except when interrupted by the lobes. Ilk. Sp. l.p. 211. t. G3. C. 

 Hk. & Gr. Ic. 75. Adiantuni orbiculatum, Lam., oldest name. 



Hab. N. Hindostan, S. E. China, Malayan Peninsula and Islands, Ceylon, N. Australia. 

 Very variable in the size of the pinnae and in ramification. Var. gigantea of Hooker is 

 an abnormal state, with some of the pinnae of the central rachis 1-2 in. 1., and lengthened 

 out to a narrow point. L. tenera, Dryander, Hk. Sp. 1. p. 211. (L. striata, Blume), only 

 differs by its thinner texture. In this and the preceding the lower pinnae are often nearly 

 as deep as broad. 



, erect, 6-12 in. 1.; 

 rigidly erecto- 



^ _ a , ^- in. deep, the 



lower line nearly straight or curved upwards or downwards, the upper rounded, 

 entire, closely placed, but scarcely imbricated ; texture pellucido-herbaceous ; sori 

 in a continuous line round the upper margin. Hk. Sp. l.p. 214. L. quadran- 

 gularis, Raddi, Hk. Sp. 1. p. 214. L. horizontinalis, Hk. Sp. 1. p. 214. t. 62. B. 

 L. arcuata, Kunze, Hk. Sp. 1. p. 215. L. caudata, Hk. Ic. PL t. 958. Sp. 1. p. 

 215. 13, L. laxa, Kunze, upper margin broadly lobed, so that the line of the fruit 

 is more or less interrupted. L. Klotzschiana, Moritz. y, L.falcata, Willd. ; fr. 

 not branched ; pinnce often very large. L. Leprieurii, Hk. Sp. 1. p. 208. t. 62. D. 



Hab. Tropical America, from Cuba and Guatemala southward to Rio Janeiro ; Ceylon, 

 Malayan. Peninsula and Islands. . caudata is a large handsome Ceylonese form, with 

 more branches than usual ; L. arcuata, a form with long narrow falcate pinnules ; and 

 L. L' Herminieri, F6e, a plant from Guadeloupe, with the pinnules broadest at the outer 

 edge and the upper margin concave. Adiantum Lancea, L., is the oldest name. 



18. L. lorneensis, Ilk. MSS. ; rhizome short-creeping, paleaceous; st. strong, 

 erect, polished, 9-15 in. 1. ; fr. 12-18 iif. 1., 9-12 in. br., with a long unbranched 



continuous marginal line. 



Hab. Forests of Borneo ; gathered by Messrs. Lobb and Barber. This comes very 

 near L. Guianensis in habit, but the sori are quite marginal. 



uous line, with the outer valve produced, but altered in texture. Hk. Sp. 1. 

 *. 62. A. 



Hab. Tropical America from Jamaica southward to Rio Janeiro. This is inter- 



