CI. AMAKANTACEiE. 319 



Ilerbs or undcrslirubs, of warm countries. Leaves opposite, rarely tufted. 

 Flowers in terminal spikes or heads, at length subrenexed.— 3 Cape species. 



10. PUPALIA, Juss. 



Flowers bisexual, 3-bracted, ternate ; the medial fertile, 

 lateral changed into hooked bristles or sharp spines. Calyx 

 5-parted ; segments subequal, erect, pilose. IStamens 5, united 

 in a very short cup; filaments subulate; staminodia 0; an- 

 thers 2-celled. Ovary 1-ovuled ; style filiform ; stigma capi- 

 tate. Fruit as in Cyatlnda.—DQ. Frod. xiilpt. 2. p. 381. 



Undershrubs, of warm countries. Branches and leaves opposite, rarely 

 alternate or fascicled. Flowers glomerate, erect, at length spreading, forlm- 

 ing interrupted spikes. — 3 or 4 South African species. 



Tribe 3. GrOMPiiEENEiE. (Gren. 11-12.) 



11. ALTERNANTHERA, Forsk. 



Flowers bisexual, rarely polygamo-dioecious, 3-bracted. 

 Calyx 5-parted ; segments equal or unequal, erect, glabrous 

 or villous. Stamens 5, united in a cup at base ; filaments fili- 

 form ; staminodia very minute, tooth-like, entire ; anthers 1- 

 celled. Ovary 1-ovuled; style short; stigma capitate or 2- 

 lobed. Fruit valveless, 1-seeded, more or less enclosed in the 

 calyx.— DC. Frod. xiii. pt. 2. p. 350. 



Much-branched herbs, of warm countries, mostly villous. Leaves oppo- 

 site. Flowers in terminal or axillary heads.— 1 or 2 species at the Cape. 



12. TELANTHERA, R. Br. 



Flowws bisexual, 3-bracted. Calyx 5-parted ;^ segments 

 equal or unequal, erect, glabrous or villous. Stamens 5, 

 united in a tube below ; filaments filiform ; staminodia elon- 

 gate, tongue-shaped, toothed at the apex ; anthers 1- celled. 

 Ovary 1-ovuled ; style short ; stigma capitate. Fruit valve- 

 less, 1-seeded, enclosed in the calyx.— DC. Frod. xiii. p. 3G2. 



Herbs or undershrubs, chiefly American and tropical. Leaves opposite. 

 Flowers in terminal or axillary heads.— T. maritima, a common plant of 

 West Tropical Africa, is stated by Sparmann to be South African also. 



f 



Order CII. PARONYCHIE^, 



Flowers usually hermaphrodite. Perianth of 4-5 seg- 

 ments, imbricate, free or connate at the base. Petals 5 in 

 Corrigiola. Stamens usually as many as the perianth-seg- 

 ments, sometimes with alterjiating staminodia, hypogynous or 

 perigynous ; filaments free or connate at the base ; anthers 

 usually short. Ovary sessile, free, ovoid or 3-gonous, 1-celled ; 



