588 



THE BOOK OF CHOICE FERNS. 



A. (Euasplenium) heteroearpum— Eu-as-ple' -ni-uni ; het-er-oc-ar'-pum 

 (various-fruited), Wallich.' 

 This very distinct and well-marked, stove species, which in habit 

 resembles a dimidiate Adiantum, is a native of the Malayan Peninsula, Borneo, 

 and Ceylon, and is also, according to Bedclome, found wild on the Travancore 

 Hills, on the Neilgherries. Its fronds, 6in. to loin, long and l|an. to Sin. 

 broad, are borne on firm, erect stalks 4in. to 9in. long, of a chestnut-brown 

 colour and polished; they are furnished with numerous closely-set, dimidiate 

 pinnaB (leaflets fully developed on one side of the midrib and scarcely at all 

 on the other) about tin. long and Jin. broad. The lower edge of the 



Fig. 108. Frond of Asplenium heterocarpum 



(nat. size). 



pinna3 is quite entire, while their upper edge, broadest towards the base, is 

 deeply cleft throughout (Fig. 108). The sori (spore masses) are disposed one, 

 rarely two together, on each tooth or lobe. — Hooker, Species Filicum, hi., 

 p. 132, t. 175. Nicholson, Dictionary of Gardening, i., p. 131. Beddome, 

 Ferns of Southern India, t. 131. 



A. heterodon — het'-er-od-on (variously toothed). Synonymous with 

 A. vulcanicum. 



A. (Diplazium) hians— Dip-laz'-i-um ; hi'-ans (gaping), Kunze. 



This strong-growing, almost arborescent, stove species is a native of the 

 West Indies and Ecuador. Its gigantic fronds, oft. to 4ft. long and 2ft. to 

 3ft. broad, borne on stalks 1ft. to ljft. long and slightly scaly, are furnished 

 with leaflets of a thin, papery texture and dark green colour ; the lower 



