66 xcviii. ACANTHACE^ (clarke). [WJtitfieldia. 



1 . W. elongata, C. B. Clarke. Nearly glabrous except the calyx. 

 Upper leaves up to 8 by 3 in., closely dotted on the upper face ; petiole 

 1 in. long. Racemes 1-3, simple, 2-5 in. long; bracts J in. long, 

 elliptic-acuminate, green, subpersistent ; pedicel 0— J in. long. Linear 

 part of corolla-tube 1 in. long; lobes glandular, without fine white 

 hairs, greenish-white (Vogel), figured light-blue by Beauvois. Stamens 

 glabrous, connective glandular. Style glabrous, articulated on the 

 ovary. — W. longifoUa^ T. Anders, in Journ. Linn. Soc. vii. 27 in small 

 part. Ruellia elongata, Beauv. Fl. Owar. i. 45, t. 26. JDipteraca^ithus 

 elongatusj Nees in DC. Prod. xi. 140 ; Benth. in Hook. Niger Fl. 478. 



Upper Guinea. Oware, Beauvois I Fernando Po, Vo(jeJ, 187, 242! 



2. W, perglabra, C. B. Clarke. Nearly glabrous except the calyx. 

 Upper leaves (> by IJ in., closely dotted on the upper surface; petiole 

 J in. long. Kaceme 2\ in. in diam., lower branches divided ; bracteoles 

 up to J in. long, elliptic-lanceolate acute. Corolla-tube and lobes 

 without glands, nearly glabrous. — Stylarthropus tenuijlora, Baill. ? in 

 Bull. Soc. Linn. Paris, ii. [1800], 823; Lindau in Engl. & Prantl, 

 Pflanzenfam. iv. 3B. 306. 



Upper Guinea. Fernando Po, Mann ! 



This has been named W. longifolia, by T. Anderson, and also numbered as 198, 

 which is W. suhmridis, but not by G. Mann. Stylarthropus tenuiflora, Eaill. in 

 Bull. Soc. Linn. Paris, ii. [1890], 823, which is very imperfectly described, may be 

 this plant. 



3. W. longifolia, T. Anders, in Journ. Linn. Soc. vii. 27, partly. 

 Shrub 8 ft. high {Barter). Upper leaves up to 6-8 by 2-3 in., closely 

 dotted on the upper face ; petiole 0-J in. long. Racemes 1-3, simple, 

 pubescent ; bracts small, caducous. Calyx f-1 in. long. Corolla white ; 

 linear part of the tube 1-1| in. long ; lobes soft with fine white hairs, no 

 glands. Style articulated on the ovary. Capsule \\ in. long, 4-seeded, 

 glabrous ; stalk half the length of the capsule ; seeds \ in. in diam. 

 smooth, glabrous. — Lindau in Engl. & Prantl, Pflanze&f. iv. 3B. 306. 

 W. Icmgifiwa, S. Moore in Journ. Bot. 1880, 229 ; Lindau in Engl. 

 Pfl. Ost-Afr. C. 367 partly. 



Upper Guinea. Cameroons : Yaunde, Zenker, 69 ! and without precise locality, 

 Zenker, 759b ! Fernando Po, Barter, 2069 ! 



ZiOwer Guinea. Angola, Welwitsch, 5086 ! 5152 ! 5153 ! 5193 ! ilfecAow, 156 ! 



Nile Iiand. British East Africa: Sesse Islands, in Lake Victoria Nyanza, 

 Stuhlmann, 1213 ! 



Mozamb. Blst. German East Africa : Karagwe ; Bukoba, Stuhlmann, 1021 ! 

 Usambara ; Lutindi, Eolst, 3297 ! Gouja, Hoist, 4266 ! 



4. "W. subviridis, C. B. Cla/rke. Shrub, up to 20 ft. high {Mann). 

 Leaves up to 10 by 4 J in., usually smaller, not or remotely and obscurely 

 dotted on the upper face; petiole J-lJ in. long. Inflorescence loosely 

 or densely paniculate, pubescent; bracts small, caducous; bracteoles 

 J-f in. long, elliptic, acute. Calyx 1-1^ in. long. Linear part of 

 corolla-tube lJ-2 in. long; lobes with some fine white hairs. Style 



