302 46. OLEANDEA. 



Hab. Juan Fernandez, — This differs from the preceding by its firmer texture, 

 crenate pinnsB, and by not turning at all black when dried. Both have the stem 

 usually jointed a short distance above the base, as in J. Smith's Artkropteris. 



6. N. flocdgera, Moore ; st. furfuraceous ; fr. 2-3 ft. 1., 8-12 in. br. ; pinnw 

 4-6 in, 1., §- j in. br., tke apex acuminate, the edge crenated to a depth of 1 lin., 

 the base slightly unequal ; texture subcoriaceous ; raehis and under surface 

 furfuraceous ; smi in the crenations ; invol. firm, reniform. — Hk. Sp. 4. p. 166. 



Hab. Java and Celebes. — Resembles exaltata in habit, but the pinnse are distinctly 

 crenated, and the sori placed at the tip of the lobes. 



7. N. dmallioides, Kze. ; cavd. short, stoloniferous ; st. tufted, 1 fl. or more 1., 

 scaly towards the base ; jr. drooping, 2-3 ft. 1., 1 ft. or more br. ; lower pinnce 

 barren, 4-8 in. 1., |-1 in, br., the apex acuminate, the edge ineiso-crenate to a 

 depth of 1 lin. or less, fertile pinnse narrower, the lobes deeper and bearing each 

 a single sorus at the point ; texture subcoriaceous*; racMs furfuraceous, both 

 sides nearly naked ; invol. reniform. — Hi. Sp. 4. p. 165. Fil. Ex. t. 60. 



Hab. Java. — Clearly distinguished by its pinnatifid fertile piuns, with the sori at the 

 tip of the lobes. Ophioglosmm amminatwm, Hout., is the oldest name. 



Gen. 46. Oleandba, Cav. 



Sori round, inserted in a row near the base or below the centre of the compact 

 free veinlets. Invol. reniform. A small gemis, almost restricted to the Tropics, 

 distingmshed from Nephrodium mainly h/, habit, with wide-creepinq scandent shoots, 

 jointed stems, and entire lanceolate-elUptical fronds. Tab. V. f . 46. 



1. O. neriiformis, Cav. ; shoots woody, suberect, clothed with adpressed scales ; 

 St. \-l in. 1., with the joint below the middle ; fr. 6-18 in. 1., j-1^ in. br., 

 scattered, or in opposite pairs, or often in terminal whorls, narrowed gradually 

 towards both ends ; texture generally subcoriaceous and both sides naked ; sori 

 in two rather irregular rows near the midrib ; invol. oblique. — Hk. Sp. 4. p. 156. 

 {in part). Fil. Ex. t. 68. 



Hab. America — N. Granada and Guiana to Brazil and Peru ; Fiji, N. Guinea, Samoa, 

 Aneiteum, N. India (up to 6,000 ft.), Philippines, Malaccas, Guinea Coast. — A variable 

 plant, but vf e cannot distinguish clearly more than one species with firm suberect shoots. 

 0. piiylla/i'thron, 'Kze., is a form with small, rigid, sessile fronds ; 0. micans, Kze. ; 

 0. hirta, Brack. ; 0. mollis, Presl ; 0. trujulensis, Karst. ; 0. hirtella, Miquel ; and 

 0. pilosa, Hk., are S. American plants, with thinner and more or less pilose fronds, and 

 with the sori often in an irregular wavy line not close to the midrib, as in 0. airticulata. 



2. 0. muscefolia, Kunze ; shoots firm, wide-climbing, clothed with adpressed 

 scales, curving upwards to where it bears the fronds singly or in tufts of 2 to 5, 

 and then downwards ; st. ^-1 in. 1, jointed close to the base ; fr, 6-12 in. 1., 1-1^ in. 

 br., narrowed gradually towards both ends ; texture subcoriaceous, naked or 

 the midrib slightly pilose ; sori in two irregular rows near the midrib ; invol. 

 oblique. — Mett. Fil. Ind. p. 240. 



Hab. Ceylon and Malay Isles. — Well distinguished from the preceding by its different 

 mode of growth. 0, Moritzii, Eunze, is a form with more scattered fronds and sub- 

 squarrose scales. 



3. 0. articulata, Cav. ; shoots firm, suberect, wide-climbing, clothed with 

 linear-subulate adpressed scales ; st. scattered, sometimes opposite but not 

 whorled, 1-2 in. 1., with the joint close to the base ; fr. 6-12 in. 1., 1^-2 in. br. ; 

 texture subcoriaceous ; midrib beneath slightly scaly ; sori in two irregular 

 rows, often some distance from the midrib, — 0. neriiformis Hk. Sp, 4. p. 166. 



