6 96. MARSILEA. 



§ 1. EUMARSILEA. 



£. Leaflets with spurious veinleis between the real veins. 



(1) M. coromandelica. 

 l.f. Leaflets with&ui spurious veinlets. 



9. Petioles densely tufted. (2) M. quadrata. 



. 9.9. Petioles not densely tufted, often remote. 



3. Sporocarps ribbed and bordered. (3) M. minuta. 



3.8. Sporocarps neither ribbed nor bordered. (4) M. crenata. 



(1) M. coromandelica, JBufm., Bk., Fern AIL, 147; Burm., 

 Flor. Ind., tab. LXII, fig. 3; Copel., Phlipp. Journ., IV^, 13; M. coroman- 

 deli(a)na, Willd., Spec, V, 539. 



Small, aquatic or subterrestrial, glabrous in all its paits. Petioles 

 erect, VU — 7 'A cm. long. Leaflets cuneate^ 2 — 8 mm; long, rounded and 

 entire on the outer edge, with spurious veinlets of sclerenchyma showing 

 as pellucid streaks between the real veins, t'edicels erect, free, hnbranched, 

 filiform, not more than 1 to a leaf, 1—2 cm. long, inserted at the 

 middle of the base of the sporocarp. Sporocarps oblong, erect, 4 mm. 

 long, distinctly bordered and ribbed. With distinct basal teeth; sori 8 — 12 

 in a sporocarp. 



Celebes (t. Christ); Brit. India, Socotra. 



(2) M. quadrala, A. B*-., Bk., Fern AIL, 146; Copel., Philipp. 

 Journ., lyc, 13. 



Subterrestrial, densely tufted. Petioles 2 'A — 7 'A cm. long. Leaflets 

 cuneate, 4 — 10 mm. long, rather silky, crenated on the slightly rounded 

 outer edge. Pedicels in a tuft with the petioles, at best 1 to a leaf, free 

 to the base, adnate to the whole base of the sporocarp, unbranched, 

 erect, 6 — 8 mm. long. Sporocarps nearly squarej 2 mm. long, glabrescent, 

 unbordered, with 2 basal teeth, the upper one prominent, often long- 

 conical; sori 5 — 6 in a sporocar|). 



Borneo. 



(3) M. inlnuta, A., Bk., Fern AIL, 140, p. p.; CopoL, Philipp. 

 Journ,, JVC, 12; Rac, Flor. Btz., I^ 234, p. p.; M. erosa^ Willd., Spec, V, 

 540; — var. ZoUingeri, A. Br., Bk., 1. c; Engl. & Prantl, Nat. Ffl.Fam., 

 I*, 418. 



