850 XCVII. LABIATE. [OciviU71l 



Yar. microphyllum Briq., I.e. 



HuiLLA.— At Mumpulla ; fl. and fr. Oct. 1859. No. 5514. 



6. 0. knyanum Vatke in Linn?ea xxxvii. p. 315 (1872). 

 LOANDA.— In fl. and fr. Nos. 5568 (partly), 5583 (partly). 

 MossAMEDEs. — An annual, pleasantly aromatic, erect herb, with 



whitish or purplish flowers. In sandy places, close to the river Bero, 

 here and there ; fl. and fr. July 1850. A poor specimen, perhaps of 

 this species. No. 5505- 



Our specimens diff:er from the type of the species by being less 

 pubescent. 



7. 0. modestum Briq., I.e., p. 162. 



HuiLLA. — Flowers whitish with a violet tinge. In rocky pastures 

 near LopoUo, among low bushes ; fl. Nov. and Dec. 1859. No. 5518. 



8. 0. laxiflorum Baker, sp. n. 



An erect, branched, suffruticose herb, 2 to 4 ft. high, sweetly 

 smelling like balm but less powerfully so ; stems slender, several, 

 pubescent ; leaves opposite, ovate, pointed or sub-obtuse at the 

 apex, obtuse or nearly rounded at the base, thinly herbaceous, 

 sparingly pubescent and minutely glandular, dark green above, 

 paler beneath, crenate or serrate-crenate, 1 to 1| in. long by 4- to 

 1^ in. broad ; petiole ^ to § in. long, hirsute ; racemes terminal 

 and in the upper axils, slender, pubescent, glandular, 3 to 8 in. 

 long, shortly pedunculate ; verticils 2- to 6-flowered, bracteate at 

 the base, the lower ones distant ; pedicels about ^ to i in. long ; 

 bracts oval, -^ to ^ in. long ; flowers ^^ in. long, white ; soon 

 withering ; calyx obliquely oblong, gibbous at the base, ribbed, 

 i in. long in flower, i in. long in fruit, 5-cleft, minutely glandular, 

 bilabiate, spreading or turning downwards in fruit, the posterior 

 lobe oval, more or less spreading ; the anterior lobes subulate, 

 erect ; the lateral lobes deltoid-acuminate ; corolla small, the tube 

 straight, about |- in. long, the limb bilabiate ; stamens 4, didy- 

 namous, scarcely exserted ; filaments glabrous, not aj^pendaged ; 

 style about equalling the longer filaments, somewhat thickened 

 at the bifid stigmatic apex ; nutlets ovoid-oblong, ^Y in. long. 



GoLUNGO Alto. — By thickets close to the banks of the river Cuango, 

 not common ; fl. and fr, March 1856. No. 5554. In fl.-bud. Perhaps 

 this species. No. 5584. 



PuxGO Andongo. — By moist thickets in the prtesidium, not plenti- 

 ful ; fl. and young fr. beginning of Nov. 1856. No. 5553. In thickets 

 in many spots but nowhere plentiful, by the Luxillo road ; fl. and fr. 

 Jan. 1857. No. 5552. 



This species belongs to the section Gymnocimum. 



9. 0. andongense Hiern, sp. n. 



An erect, perennial, glabrescent herb, nearly 2 ft, high ; stems 

 rather slender, somewhat branched in the upper half, puberulous 

 at the apex ; leaves opposite, linear or oblong-linear, subobtuse at 

 the apex, narrowed at the sessile or shortly petiolate base, 

 minutely glandular or glabrate, firmly herbaceous, minutely 

 punctulate, denticulate on the upper half of the margins, 1 to 1| 

 in. long by ^-V to i in. broad ; venation distinct, branched ; 



