Stachytarpheta. | CI. VERBENACEE (BAKER). 285 
long, pubescent ; teeth minute. Corolla-tube nearly twice as long as 
the calyx, dilated at the throat; limb red, 3-4 in. diam. Capsule 
shorter than the calyx, cylindrical, glabrous. 
Lower Guinea. Angola, Welwitsch, 5631! 5649! 5716! 5764! 
A native of Tropical America, now widely spread in the Old World. 
6. PRIVA, Adans.; Benth. et Hook. f. Gen. Pl. ii. 1145. 
Calyx at first cylindrical, with 5 ribs produced into small teeth, 
dilated as the fruit ripens, and closely investing it, the throat still 
remaining small. Corolla-tube cylindrical, slightly dilated upwards ; 
limb patent, oblique, bilabiate. Stamens 4, didynamous, included in 
the corolla-tube; filaments short; anther-cells divaricate. Ovary 
4-celled ; cells 1-ovuled; style filiform; stigma oblique, with an angle 
or tooth at the back. Fruit included in the dilated calyx, separating 
into two bony pyrenes, each with 2 ovules. Seeds subterete, ex- 
albuminous.—Erect, glabrous or pubescent herbs. Leaves opposite, 
petioled, membranous, toothed. Spikes long, lax, terminal; bracts 
small. Flowers inconspicuous. 
Species about 9. Cosmopolitan in the warmer regions of both hemispheres. 
1. P. leptostachya, Juss.; Schauer in DC. Prod. xi. 533. A 
much-branched perennial herb, with slender square hairy branches. 
Leaves opposite, ovate, membranous, hairy, crenate, acute or obtuse, 
1-3 in. long. Spikes }-1 ft. long, with lax flowers and a slender 
square rhachis; flowers ascending; fruits spreading or deflexed, some- 
times obscurely pedicellate; bracts small, lanceolate. Flower-calyx 
hairy, cylindrical, } in. long, globose in the fruiting stage, 3 in. diam. 
Corolla-tube twice as long as the calyx; limb } in. diam., white. 
Pyrenes bony, globose, muricate on the back, with a large hollow in 
the centre between them.—C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 
565; Giirke in Engl. Pfl. Ost-Afr. C. 338. P. dentata, J USS. ; Schauer, 
loc. cit.; A. Rich. Tent. Fl. Abyss. ii. 165; Schweinf. Beitr. Fl. 
Aethiop. 120. P. abyssinica, Jaub. & Spach, I}lust. Pl. Orient, t. 
453-4; Franchet, Sert. Somal. 50. P. Forskalii, Jaub. & Spach, 
loc. cit. t. 455. 
Nile Land. Nubia: Coast region, Bent / between Svakin and Berber in Wady 
O-Mareg, Schweinfurth, 433! near Suakin at Gebel Uaratab, Schweinfurth, 54] 
Eritrea: near Saati, Schweinfurth & Riva, 490! Keren, Steudner, 1301 ! Abyssinia : 
Tigre; near Aguar, Schimper, 1023! Somaliland, Révoil, British East Africa : 
Kikumbuliyu, Scott-Elliot, 6217! Ukamba (ex Giirke). 
Mozamb. Dist. (rerman East Africa! West of the Pare Range, 600-2300 ft., 
Héhnel ; Kilimanjaro; below Marangu, 3000 ft., Volkens, 2154! Portuguese Bast 
Africa : Lower Zambesi ; Shupanga, Kirk ! 225! British Central Africa: Nyasaland ; 
Plain of Zomba, 2500-3000 ft., Whyte! Shire Highlands, Buchanan ! 
Also in South Africa, Socotra and India. 
