Ord. 4.] MONOECIA PENTANDKIA. 177 



(DIANDRIA. Stamens 2.) 



Car ex » 



Order II. TRIANDRIA. Stamens 3. 



426. SPARGANIUM. Barren fl. Cat. 3-leaved. Cor. 0. 



Fert. Fl. Cal. 3-leaved. Cor. 0. Drupa dry.— N.O. 

 Aroide^e. 



427. CAREX. Barr. Fl. Catk. imbricated. Cal. a scale. Cor. 0. 



Fert. Fl. Catkin imbric. Cal. a scale. Cor. a hollow perma- 

 nent glume, investing the loose seed. — N.O. Cyperacea:. 



428. KOBReSIA. Barr.fi. Catkin with opposite scales, imbri- 



cated, in 2 rows. Cal. an inner scale. Cor. 0. 



Fert.fi. Cal. an outer scale. Cor. 0. Seed 1 , loose. — 

 N.O. Cyperace^e. 

 425. TyPHA. Barr.fi. Catkin hairy. Cal. 0. Cor. 0. ^/M. 

 about three on each filament. 



Fert. fl. Catkin hairy. Seed 1, on a hairy stalk. — N.O. 

 Aroide^e. 



Amaranthus. 



Order III. TETRANDRIA. Stamens 4. 



429. LITTOReLLA. Barr.fi. 4-leaved. Cor. 4-cleft. £*«m. 



capillary, very long-. 



Fert. Fl. Cal. 0. Cor. unequally 3- or 4-cleft. Style very 

 long. Nut of 1 cell. — N.O. Plantagine^e. 



432. URTlCA. Barr.fi. Cal. 4-leaved. Pet. 0. Nect. central, 



cup-shaped. Stam. the length of the calyx. 



Fert.fi. Cal. 2-leaved. Cor. 0. Seed 1, superior, polished. 

 — N.O. Urtice^e. 

 431. BuXUS. Barr.fi. Cal. 3-leaved. Pet. 2. Rudiment of a 

 germen. 



Fert. fl. Cal. 4-leaved. Pet. 3. Styles 3. Caps, with 3 

 beaks, and 3 cells. Seeds 2. — N.O. Euphorbiace;e. 



430. ALNUS. Barr.fl. Cal. the scale of a catkin, permanent, 3- 



flowered. Cor. deeply 4-cleft. — N.O. Amentace^e. 



Fert.fi. Cal. the scale of a catkin, permanent, 2-flowered. 

 Cor. 0. Styles 2. Nut compressed, without wings. — 

 N.O. Amentace-s:. 



Eriocaulon. Myrica. 



Order. IV PENTANDRIA. Stamens 5. 



433. XaNTHIUM. Barr.fl. Common Cal. imbricated, many- 



flowered, with intermediate scales. Cor. of 1 petal, funnel- 

 shaped, 5-cleft. 



Fert. fl. Cal of 2 leaves, with 2 flowers. Cor. 0. Drupa 

 i2 



