WISNERIA . ALISMACEÆ (AUCT. M. MICHELI). 83 
Folia longe petiolata, scapum superantia ; petioli teretes, intus lacu- 
nosi, basi vaginantes, limbo longiores; limbi lineari-spathulati, in 
petiolum sensim desinentes, subacuti, 5-6 mill. lati, trinervii, vasis 
lactiferis percursi. Scapi circa 15 cent. longi, apice floriferi. Verticilli 
6-8 quorum 1-2 feminei. Pedicelli bracteas superantes, circa 2 mill. 
longi, feminei post anthesin erecti vel patentes. Perigonii laciniæ 
exteriores ovatæ, obtuse, 1,5 mill. longæ, interiores multo breviores, 
in floribus Y late obovatæ, in floribus 9 anguste ovatæ. Stamina 
antheris rotundato-ovatis, filamenta æquantia. Carpella late ovata, 
obtusa vel apice styli vestigio brevissime apieulata, dorso et ventre 
tricostata, costis vix prominulis, lateraliter ad basim obscure tuber- 
culata, eirca 3 mill. longa. 
In India orientali, in aquosis prov. Mahran (Dalzell) Malabar, 
Conean, etc. (herb. Ind. Orient. Hook. et Thomson). 
AÁLISMACEJE NOMINE TANTUM NOTAE. 
Alisma aphyllum Hamilton (Steudel). 
Alisma nathpurense Steudel Ind. Or. 
Alisma trinerve Link Lusit. (Steudel). 
Sagittaria aquatica Lam. (Steudel). 
Sagittaria heterophylla Bert. 
Sagittaria incrassata Steud. 
Sagittaria subulata Schomb. Fauna et fl. of Brit. Guy. p. 1117. 
Damasonium repens Thuill. (Steudel). 
Ex ORDINE EXCLUDENDÆ. 
Damasonium indicum Willd. 
D. lancifolium Presl. Reliq. Hænk. 1, p. 89 
^i Javanieum Blume. 
- Ovalifoli . Br. . 
D. Swa ra Br | = Ottelia vel Stratiotes sp. 
D. transquebariense Schult. | 
Alisma flavum Linn. = Limnocharis flava Buch. 
Damasonium flavum Mill. = Limnocharis flava Buch. 
/ = Ottelia alismoides. 
