384 cii. LABIATE (baker). [Pycuostachys. 



drical, \ in. diam. ; bracts small, ovate. Calyx pilose ; tube very 

 short; teeth very rigid, linear, j-1 lin. long. Corolla \ in. long ; tube 

 rather longer than the calyx; lips small. Stamens shorter than the 

 corolla. 



Mozamb. Dist. British Central Africa : Urungu ; Fwambo, 5000-6000 ft., 

 Carson, 38 I 



21. P. Volkensii, Garke in EngL Pji. Osi-Afr. C. ;^4-i. Stem 

 branched, tetragonous, pubescent. Leaves shortly petioled, oblong- 

 lanceolate, acuminate, narrowed to the base, serrate, pubescent on both 

 sides. Flowers sessile, many in a spike. Calyx campanulate; teeth 

 very rigid, J in. long, refiexed, rather longer than the tube. Corolla 

 violet. — Giiike in Engl. Jahrb. xxii. 144. 



Upper Guinea. Cameroons : Cameroon Mountain, 6000-10,000 ft., Matm, 

 1222 ! 1960 ! Johnston^ 37 ! Freuss, 688. Fernando Po : Clarence Peak, 9000 ft., 

 Mann, 2g0 ! 



irile Iband. British East Africa : Western slope of Ruwenzori, 5000-6000 ft., 

 Sfuhlmann, 2300. 



Mozamb. Blst. German East Africa : Usambara ; Mlalo, Hoist, 3707, 3812 ; 

 Kilimanjaro, Maweuzi Peak, 6600 ft., Volkens, 823. Ukami ; Uluguru, 6000 ft., 

 Stuhlmann, 9225. 



22. P. Hanningtonii, Baker. Branchlets slender, square, grla- 

 brous. Leaves shortly petioled, oblong, acuminate, membranous, 

 obscurely pubescent, slightly crenate, cuneate at the base, the upper 

 2-3 in. long. Flower-spike very dense, conical, J in. diam., exclusive 

 of the corollas. Calyx-teeth very slender, J in. long in the flowering 

 stage. Corolla with a large deflexed funnel-shaped throat, a small 

 quadrate reflexed upper lip and a deeply concave lower lip, J in. long. 

 Stamens i-ather shorter than the lower lip. 



nXozamb. Slat. German East Africa : Forests of Ugogo, Hannington I 



23. P. Meyeri, Gierke in Engl. Hochgehirgsfl. Trop. Afr. 362. 

 Stem branched, tetragonous, quite glabrous. Leaves shortly petioled, 

 oblong, acuminate, serrate, 3-4 in. long, quite glabrous on both sides, 

 narrowed to the base. Spike 1J-2J in. long. Flower-calyx sessile; 

 tube campanulate, \ lin. long ; teeth 3-4 times the length of the tube. 

 Fruit-calyx curved, \ in. long ; teeth as long as the tube. Corolla half 

 as long again as the flower-calyx. 



Mozamb. Bist. German East Africa : Kilimanjaro, 6000-7000 ft., Meyer, 

 Volkens, 1293 ! 



24. P. ruwenzoriensis, Baker. A perennial herb, with strongly 

 quadrangular pilose branches. Leaves shortly petioled, ovate, 2-3 in. 

 long, acute or acuminate, deeply crenate, moderately firm, densely 

 pubescent on both surfaces. Raceme solitary, very dense, terminal, 

 oblong-cylindrical. Calyx-tube small, campanulate, densely pilose ; 

 teeth subulate, rigid, jV in. long. Corolla J-J in. long ; tube much 



