878 cii. LABIATE (baker). [HoslvMcHa. 



hills north-east of Lake Tanganyika. 5000-6000 ft., Scott-Mliot, 8233 ! Portuguese 

 East Africa : bank of the River l^uabo, Kirk, 18 ! Lower Zambesi ; Shupang.i, Kirk ! 

 Morambala Mountain, A' trX: / Lower Shire Valley, A'i>^ / British Central Africa: 

 Nyasaland ; Maiiganja Hills, Meller ! Zoinha and t-a-^t end of Lake Shirwa, Meller .' 

 Konuowe to Karoiiga, 2000-6000 ft., Whyte ! Songwe River and Karonga, 1700- 

 2000 ft., Whyie, 58 ! and without precise locality, Buchanan, 410 ! 916 ! Rhodesia ; 

 Taniasctze, llolub ! Gasliuina Plain, Holub, 1919 ! Leshunia Valley, Hohib ! 

 Also in Soutli Africa and Madagascar. 



9. ALVESIA, Welw. ; Benth. et Hook. f. Gen. Plant, ii. 117G. 



Calyx small in the flowering stage, with a campanulate tube and 

 very small obtuse lobes, in fruit large, scariose and inflated. Corolla- 

 tube scarcely longer than the calyx; throat dilated, oblique; upper lip 

 very short; lower large, oblong, concave. Stamens 4, didynamous, 

 declinate ; filaments free ; anther-cells confluent. Disk thick, equal, 

 entire or shortly lobed. Style shortly bifid. Kucules obovoid, 

 granular. 



Endemic and monotypic. 



1. A. rosmarlnifolia, Welw. in Trans. Linn. Soc. xxviii. 55, t. 19. 

 A much-branched undershrub, 8-4 ft. high, with woody branches and 

 small square densely hairy branchlets. Leaves small, sessile, lanceolate, 

 entire, rather rigid, with reflexed edges, very hairy. Whorls many- 

 flowered, forming simple dense racemes ; bracts small^ ovate ; pedicels 

 ^-J in. long, densely hairy, like the rhachis. Calyx in flower ^ in. 

 long, densely coated with whitish pubescence, in fruit ventricose, 1 in. 

 long. Corolla pale lilac; tube ^ in. long; lower lip decurved, as long 

 as the tube. Stamens as long as the lower lip.— Engl. Hochgebirgsfl. 

 Trop. Afr. 862 ; De Wild. & Durand, 111. Fl. Congo, i. t. 42. 



JaO'wer Cruinea. Lower Congo : Stanley l*ool, 1000 ft.. Hens, 88 I Angola : 

 province of Huilla, 3800-5500 ft., Wei witsch, 1Q2>Q \ Chella Mountains, Johnston! 

 Cunene River, Johnston ! 



I think the plant mentioned in Gen. Plant. 1. c, raised by Messrs. Rollison from 

 seeds given them by Dr. Livingstune, is a form of the same species, I suppose either 

 from the Mozambique or South Central districts. 



10. PYCNOSTACHYS, Hook. ; Benth. et Hook. f. Gen. 

 Plant, ii. 1177. 



Calyx slightly accrescent ; tube short, campanulate ; teeth 5, sub- 

 equal, subulate, rigid. Corolla-tube longer than the calyx, deflexed and 

 dilated at the throat ; upper lip short, 4-toothed ; lower longer, deeply 

 concave. Stamens 4, didynamous, declinate ; filaments filiiorm, free ; 

 anther-cells confluent. Disk subequai. Style shortly bifid. Nucules 

 subglobose, smooth. — Perennial herbs. Leaves opposite, broad or 

 narrow, sessile or petioled. Whorls condensed into a dense terminal 

 spike ; bracts small. Corolla bright blue or violet. 



