66 XCVIII, ACANTHACEA (CLARKE). | Whitfieldia, 
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 } in. long, 
elliptic-acuminate, green, subpersistent ; pedicel 0-} 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. longifolia, T. Anders. in Journ. Linn. Soe. vii, 27 in small 
part. Ruellia elongata, Beauv. FI. Owar. i. 45, t. 26. Dipteracanthus 
elongatus, Nees in DC. Prod. xi. 140; Benth. in Hook. Niger Fl. 478. 
Upper Guinea. Oware, Beauvois! Fernando Po, Vogel, 187, 242! 
_ 2. W. perglabra, C. 2. Clarke. Nearly glabrous except the calyx. 
Upper leaves 6 by 14 in., closely dotted on the upper surface ; petiole 
Lin. long. Raceme 2} in. in diam., lower branches divided ; bracteoles 
up to } in. long, elliptic-lanceolate acute. Corolla-tube and lobes 
without glands, nearly glabrous.—Stylarthropus tenuiflora, Baill.? in 
Bull. Soc. Linn. Paris, ii. [1890], 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. subviridis, but not by G. Mann, Stylarthropus tenuiflora, Paill. in 
Bull. Soc, Linn. Paris, ii, [1890], 823, which is very imperfectly described, may be 
this plant, 
3. W. longifolia, 7. 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 0-4 in. long. Racemes 1~3, simple, 
pubescent ; bracts small, caducous. Calyx }~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 1} in. long, 4-seeded, 
glabrous ; stalk half the length of the capsule; seeds } in. in diam. 
smooth, glabrous.—Lindau in Engl. & Prantl, Pflanzenf. iv. 3B. 306. 
W. longiflora, S, Moore in Journ. Bot. 1880, 229; Lindau in Engl. 
PAl. Ost-Afr. C. 367 partly. 
Upper Guinea. Cameroons: Yaunde, Zenker, 69! and without precise locality, 
Zenker, 7598! Fernando Po, Barter, 2069! 
Lower Guinea. Angola, Welwitsch,5086! 5152! 5153! 5193! Mechow, 156! 
Wile Land. British East Africa: Sesse Islands, in Lake Victoria Nyanza, 
Stuhlmann, 1213! 
Mozamb. Dist. German East Africa: Karagwe; Bukoba, Stuhlmann, 1021! 
Usambara ; Lutindi, Holst, 3297! Gonja, Holst, 4266! 
4, W. subviridis, C. B. Clarke. Shrub, up to 20 ft. high (Mann). 
Leaves up to 10 by 44 in., usually smaller, not or remotely and obscurely 
dotted on the upper face; petiole 4-1} in. long. Inflorescence loosely 
or densely paniculate, pubescent; bracts small, caducous; bracteoles 
—} in. long, elliptic, acute. Calyx 1-1} in, long. Linear part of 
corolla-tube 14-2 in. long; lobes with some fine white hairs. Style 
