- 21 - 



Forma typica: lîhizome aculeate: water-leaves 3-pinnatifid 

 or 3-piiinate, the ultimate segments firm, iiarrowly cuneate-oblong, 

 raostly rounded at the apex : pinnae of normal barren fronds 



sessile or short-stalked, naked, rotandate-cuneate at the base. 



^ Var. i*ra!«!i>ioi': Khizoma aculeatum; folia aijuatica 2 pin- 



natifida vel 2-pinnata. segmentis ultimis crassis, late cuneato- 

 obovatis, apice plerumque emarginatis; pinnae frondium sterihnm 

 nornialium conspicue petioh\tae, utrinqiie decidue minutissime 

 iimbriato-.squamulosae, inferiores certe basi rotundatae ad rotun- 

 dato-subcordatae. — Sumatra {Benkoelen, Bimbo Pengadang^ Exp, 

 E. Jacobson, coll. Ajoeb No. 887 1. 



Var. îiiermi*»: Rhizome rather smooth; water-leaves 

 2 pinnatitid or 2 pinnate, the ultimate segments rather thin, 

 cuneate oblong, rounded or sub 2-tid at the apex; pinnae of normal 

 barren fronds short-stalked, cuneate or rounded at the base. 



Besides the forms quoted above, there are still otlier forms 

 in the Buitenzorg Herbarium but too incomplète for détermi- 

 nation. 



NllMIO!>ieillîa aill'ila (Sw.), f»i'.. Tt-nt. l'terid., 237; 

 V. A. V. R., Mal. Ferns, 726: Acrostichum aurilum, Sw., Schrad. 

 Journ., 18002, 12;- var. minor. Christ, Fil. Saras., III. 252. 



'=' ^'ai*. lllîiior. Also in Sumartra (Bengkoelen, Lembong 



Tandai, C. .1. Brooks No. 235/3). 



>*iif(Mi4»)>i<Miiia giiiiiiala. f'opet.. in Philipp. Journ. Sci., 

 P, Suppl., UH: V. A. V. i;., Mal. Ferns, 727. 



■^ Var edC'ilIllZa : Frondes stériles minores, usque ad 



20 cm. longae lataeque, herbaceae, lobis integerrimi.s.— Sumatra 

 (Bengkoden, Lembong Tandai, C. .1. Brooks No. 244/S). 



Vinaria (<-l<»nu'ala. -^'ir.. h^yn. Kil., lou, 303: v. A. v. R., 

 Mal. Ferns, 55(). 



Forma typica: Rhizome scales black or castaneous-black. 



Forma lurida: Rhizome scales dirty-red-brown.— Java [Gen- 

 dwgwaloeh, S. H. Koorders No. 42707,';). 



