CII. PAEONTCHIE^. 321 



Diffuse herbs. Leaves alternate, rather fleshy and glaucous. Stipules 

 scarious. Flowers small, cymose corymbose or panicled. — 1 diffused Euro- 

 pean species, probably introduced. 



4. SCLERANTHUS, Linn. 



Perianth funnel-shaped or tubular, at length indurate ; lobes 

 4-5, erect or incurved. Stamens 1, 2, 5, or 10, inserted on 

 the throat of the calyx. Ovary ovoid ; styles 2, distinct, fili- 

 form ; stigmas capitate ; ovule 1, suspended from a basilar 

 funicle. Utricle included in the thickened perianth-tube. — 

 DC. Prod. in. p. 378, 



Small, rigid herbs, densely tufted. Leaves opposite, connate at the base, 

 subulate. Stipules 0. Flowers very small, green. — 2 species, both Euro- 

 pean and perhaps introduced. 



Oeder cm. PENJEACEiE. 



Calyx coloured, persistent, enlarging, tubular, 4-lobed ; the 

 lobes valvate or reduplicate in bud. Stamens 4, in the throat, 

 alternate with the lobes of the perianth ; anthers adnate to a 

 thickened connective, 2-celled. Ovary free, 4-celled ; cells 

 2-4-ovuled ; style terete or 4-cornered ; stigma 4-lobed or 4 

 stigmas. Capsule loculicidal, 4-valved. Seed exalbuminous ; 

 embryo fleshy, with minute, scarcely-visible cotyledons. — 

 Shrubs or undershrubs, with opposite, entire leaves, and sub- 

 sessile, mostly bracteolate flowers in the upper axils. 



Tribe L Pen^e^. Ovules in each cell 2, erect. (Gen. 1-4.) 

 Style 4-angled or 4-winged ; stigmas 4, flat, placed 

 crosswise. 



Style 4-winged 1. PENiEA. 



Style 4-angled (not winged) 2. Stylapterus. 



Style terete ; stigma 4-lobed, capitate. 



Calyx-tube not longer than the lobes. Stamens in- 

 cluded 3. BEACnTSIPHON. 



Calyx-tube longer than the lobes. Stamens exserted 4. Sarcocolla. 



Tribe 2. Endonemeje. Ovules in each cell 4, 2 ascending, 2 pendulous. 



(Gen. 5-6.) 



Calyx-tube 4-ribbed, scarcely longer than lobes. 



Flowers crowded in a terminal, bracteate spike . . 5. Glischrocolla. 



Calyx-tube long, cyhndrical. Flowers axillary, scat- 

 tered 6. Endonema. 



Teibe 1. PEXiEE^. (Gen. 1-4.) 



1. PEN^A, Linn. 



Calyx-tube scarcely longer than the limb, about equalling 

 the bract, valvate in bud. Filaments very short ; anther-cells 



Y 



