72 SOCIÉTÉ BOTANIQUE DE FRANCE. 
29. I. Perralderiana DR. et Letourn. in Kralik. PL. Alg. exs. n. 157. — Foliis 
12-20, :-1-pedalibus ; microsporis dense spinulosis. — Algeria. 
30. I. dubia Gennari Comment. 11, 104. — Foliis circiter 12, 6-8-pollicaribus ; 
macrosporis infra prominentius tuberculosis, microsporis dimorphis tum cris- 
tatis, tum spinulosis. — In insula Magdalena prope Sardiniam. 
31. I. tegulensis Genn. Comment. 11, 106.— Foliis 10-20, 2-1-pedalibus ; ma- 
crosporis minute tuberculosis, microsporis dimorphis. — Sardinia. 
Hic I. betica Willk. et Lange. Prodr. Fl. hisp. 1, 15. 
32. I. Boryana DR. Bull. Soc. bot. de Fr. vut, 164.— Foliis 10-30 vel pluribus, 
4-8-pollicaribus ; macrosporis minute tuberculosis, infra prominentius, micro- 
sporis dimorphis. — In paludibus Galliæ meridionalis et occidentalis. 
33. I. tenuissima Bor. Mém. Soc. Acad. Maine-et- Loire [1850] 259. — Foliis 
15-20, 3-4-pollicaribus ; macrosporis sparse et grosse tuberculosis, microsporis 
dense spinulosis. — In paludibus Gallie centralis. 
34. I. olympica Al. Br. Milde Fil. Eur. 285. — Foliis plus quam 20, {-2-pol- 
licaribus; macrosporis minute tuberculosis, infra prominentius, microsporis 
spinulosis. 
Species Africæ tropicalis. 
35. I. Welwitschii Al. Braun in Kuhn Fil. Afr. 196. — Foliis 6-15, 2-3 polli- 
caribus ; macrosporis parvis, griseis. — Angola (Welw. n. 166). 
36. I. nigritiana Al. Br. in Kuhn Fil. Afr. 196.— Foliis 12-15, 6-8-pollica- 
ribus; acrosporis parvis, griseis. — Nupe (Barter n. 1020). ; 
37. I. Schweinfurthii Al. Br. msc. — Foliis 12-30, circiter pedalibus, sat 
rigidis, opacis, stomatibus instructis, velo nullo; macrosporis parvis, cretaceis, 
alte cristatis et ubique grosse faveolatis. — Djur (Schweinf. n. 1962). 
38. I. equinoctialis Welw. Al. Br. in Kuhn Fil. Afr. 195. — Foliis 6-19, 
pedalibus v. ultra, velo partiali ; macrosporis cretaceis. 
Species Asiatica. 
E I. japonica Al. Br. Verhandl. Brandenb. [1862] 33. — Foliis 4-6-polli- 
caribus. ' 
T I. coromandelina L. — Foliis 10-20, 9-15-pollicaribus. — Madras (Wright 
n. 309). 
A1. J. brachyglossa Al. Br. in Verhandl. Brandenb. [1862] 32 (I. capsularis 
Griff. Ic. tab. 116-118 non Roxb.). — Foliis 20-30, circiter pedalibus. — Seram- 
pore (Griffith). 
Obs. — I. capsularis Roxb. est Vallisneria spiralis mascula. 
Species australiensis. 
42. I. tripus Al. Br. Berl. Monatsb.[ 1863] 559, [1863] 544 (I. phaospora DR. 
Bull. Soc. bot. Fr. x1, 103). 
Species Americæ meridionalis. 
43. I. amazonica Al. Br. msc. — Foliis 10-20, 2-3-pollicaribus; sporangiis 
