Hyplis.] cii. LABiATiE (baker). 447 



20. HYPTIS, Jacq.; Benth. et Hook. f. Gen. Plant, ii. 1178. 



Calyx-tube campanulate or oblong; teeth 5, subulate, subequal. 

 Corolla-tube cylindric or slightly ventricose ; limb sub-bilabiate ; lower 

 lip deflexed, concave, narrowed to the base. Stamens 4, didynamous, 

 declinate ; filaments free, filiform ; anther-cells confluent. Disk entire 

 or reduced to an anticous gland. Style subentire or shortly bifid. 

 Nucules ovoid or oblong, rarely winged, smooth or dotted. — Annual or 

 perennial herbs. Inflorescence very varied. Corolla small. 



Species about 250, all Tropical American, a very few extending to the Old World. 

 Flowers in globose heads. 



Annual . . . . . . . . 1. H. brevipex. 



Perennial 2. H. atrorubens. 



Flowers racemose. 



Cymes forming simple whorls . . . . Z. H. spicigera. 



Cymes compound 4. JST. pectinata. 



Flowers in peduncled umbellate cymes . . . 5. H. suaveolens. 



1. H. brevipes, Poit.-, Benth. in DC. Prod. xii. 107. Annual. 

 Stem erect, branched, pubescent, 3-4 ft. long. Leaves subsessile, 

 oblong-rhomboid, crenate, the upper lanceolate. Flowers in dense 

 globose heads J in. diam. on short ascending peduncles from the nodes 

 all down the stem ; outer bracts lanceolate, as long as the flowers. 

 Calyx ^ in. long ; tube short, campanulate ; teeth subulate, twice as 

 long as the tube. Corolla scarcely longer than the calyx. — Benth. in 

 Hook. Niger Fl. 489 ; Oliv. in Trans. Linn. Soc. xxix. V6d ; Durand <k 

 Schinz, Etudes Fl. Congo, i. 229 ; Briquet in Bull. Soc. Bot. Belg. 

 xxxvii. 61. Mesosiihcerum hrevipea, 0. Kuntze, Rev. Gen. Pi. i. 525 ; 

 Hiern in Cat. Afr.' PI. Welw. i. 872. H. lanceifolia, Schumach ; 

 Benth. 1. c. 



upper Crulnea. Senegambia, Leprieur ! Guinea, Thonning ! Sierra Leone : 

 Regent, Scott-Elliot, 3969 ! near Kambia, on the River Scarcies, Scott-Elliot, 4348 ! 

 Lago?, Eowland ! Millen ! Niger Territory: Nupe, Barter, 11301 Lower Niger; 

 Attali, Vogel, 71 ! Niger Delta ; Brass, Barter, 1284 ! Caineroons : Efulen, Bates, 

 215 ! Bipinde, Zenker, 1307 ! Fernando Po, Vogel, 22 ! Barter ! 



Wile land. British East Africa : Uganda, Scott-Elliot, 7343 ! Madi, Speke ^ 

 Q-rant ! 



Xiower Guinea. Lower Congo : on islands near Ponto de Lenha, Naumann ; 

 Stanley Pool, 950 ft., Hens, b92 ! and without precise locality. Cobra, 78, Bupuis. 

 Angola ! province of Pungo Andongo, Welwitsch, 5576 ! 5599 ! 



Soutb Central. Monbuttu, Schweinfurth, 3302 ! 



nXozamb. Sist. British Central Africa ; Nyasaland : Elephant Marsh, Npessi 

 River, Scott ! between Kondowe and Karonga, 2000-6000 ft., Whyte ! 



Also in Tropical America and Tropical Asia. 



2. H. atrorubens, Poit.; Benth. in DC. Prod. xii. 108. A 

 perennial, with a slender stem, creeping and rooting at the base, 

 ascending and pubescent upwards. Leaves small, petioled, ovate, 

 crenate, slightly hairy. Flowers in globose heads \ in. diam., on short 



