518 CXXV. HYDROCHARIDEiE. 



Macrozamia — contd. 



mountperriensis, Bail. — " Tchalli " of Mount Perry natives. 



(Fig. 517 bis.) 

 Douglasii, W . Hill. — " Coobine" or " Coobyn" of Fraser 



Island natives. 

 Moorei, F. v. M. 



Denisonii, C. Moore = M. Perowskiana, Miq. 

 Hopei, W. Hill = Catakidozamia Hopei, W. Hill. — "Arum- 

 ba" of Cairns natives. 

 Bowenia, Hook. 



spectabilis, Hook. — " Jul-bin" of Mount Cook natives ; " moo- 

 nah," the root or yam. " Gunyoo" of Cardwell natives. 

 var. serrata, Bail. (F. Muell., Fragm. Phytog. viii. 279.) 



Class III.— MONOCOTYLEDONS. 



Series I.— MICROSPERM^E. 



Order CXXV.— HYDROCHARIDEJE. 



Series I. — Glycydr/E. 



Trice I. — Hvdrille^e. 

 Hydrilla, Rich. 



verticillata, Casp. — A bad water-weed. 



Tribe II. — Vallisnerie.e. 

 Vallisneria, Linn. 



spiralis, Linn. — Tape-grass. The growth of this, plant is so- 

 dense in some of our rivers that it impedes the progress 

 of small boats ; and in bathing persons should avoid 

 approaching too near to where it is seen growing, for 

 even good swimmers have become entangled in its 

 leaves and been drowned, 

 gracilis, Bail. (Fig. 518.) 

 caulescens, Bail, ct F.v.M. (Fig. 519.) 

 Blyxa, Thonars. 



Roxburghii, Rich. 



Tribe III. — Stratiote^e. 

 Hydrocharis_, Linn. 



morsus-ranpe, Linn . — Frogbit. 

 Ottelia, Pcrs. 



alismoides, Pcrs. 



ovalifolia, L. C. Rich. 



