1382 XCVIII. ACANTHACEH (CLARKE). | Asystasia. 
Lower Guinea. Princes Isle, Newton, 19! Quintas, 89! 93! Gaboon: 
Munda; Sibange Farm, Biittner, 452! 611! Soyaux, 190! 198! 1984! Angola, 
Welwitsch, 5050! 5131! 5160! 5170! 5196! 5206! Mechow, 53! 
South Central. Congo Free State: Bangala, 1000 ft., Hens, 124! Bolobo, 
on the Congo, Biittner, 453! 454! Lulua River, Pogge, 1246 ! 
Mozamb. Dist. Zanzibar, Hildebrandt, 980! Stuhlmann, 409! 1086! 1087! 
Peters! Mafia Island, Bartle-Frere ! German East Africa: Kilimanjaro, 9000 ft., 
Meyer, 33! 5000 ft., Volkens, 710! Ugweno Mountain, Meyer, 171! Karagwe; 
Bukoba, Stuhlmann, 3677! 3938! Usambara; Tanga, Holst, 2063! Volkens, 7! 
163! Mascheua, Holst, 8733! Usaramo; Dar-es-Salaam, Stuhlmann, 7602! 7665! 
7698! 7701! Lake Tanganyika; Kavala Island, Carson, 27! Rovuma River, Meller ! 
Portuguese East Africa: Zambesi Delta; River Luabo, Kirk, 34! Lower Valley of 
the River Shire, Meller ! Boror, Peters! British Central Africa: Lake Nyasa, Simon! 
Urungu ; Abercorn, Carson, 27! Nyasaland; Mount Mlange, Whyte! Shire High- 
lands, Buchanan, 321! Shire River, Kirk! and without precise locality, Buchanan, 
872! 
Also in Tropical Asia. 
The corolla of this weed varies (in Africa as in Asia) greatly in size and in colour. 
The types of Klotzsch’s species reduced have been seen. 
2. A. parvula, C. B. Clarke. Hairy. Leaves up to} by $ mm, 
ovate, subpetioled. Raceme 14 in. long, with distant flowers; bracts 
hardly ;}, in. long. Calyx } in. long, pubescent and with gland-tipped 
hairs. Corolla in total length 4 in. ; tube less than } in. long. Stamens 
and pistil as of A. coromandeliana, Nees. Capsule less than } in. long. 
Nile Land. Somaliland: Adda Galla, James & Thrupp ! 
The anthers, pollen, stigmas, are identical with those of 4. coromandeliana, of 
which even this may be a depauperated state. 
3. A. Buettneri, Lindau in Engl. Jahrb. xx. 37. Hairy. Leaves 
5 by 2 in., ovate; petiole 0-3 in. long. Racemes 2 in. long, terminal, 
one-sided ; pedicels scarcely j, in. long; bracts minute. Sepals 9, 
3 by 1, in., linear-oblong, with long white hairs. Corolla white; tube 
fin. long. Anthers minutely tailed at the base. Ovary with the style 
pave very hairy.—Lindau in Engl. & Prantl, Pflanzenfam. iv. 3 B. 
“ov. 
Upper Guinea. Togoland, Bittner, 260! 283! Kling, 191! 
This is allied to the large forms of 4. coromandeliana, Nees (called formerly 
A. calycina, Benth.), but has larger flowers and very much larger sepals. 
4. A. congensis, (’. B. Clarke. Glabrous, except the puberulous 
corolla. Leaves 3} by 1 in., elliptic, acuminate at each end ; petiole 
0-$ in. long. Raceme terminal, 3-flowered, peduncled; bracts hardly 
pz in. long, linear. Sepals + in. long, linear-oblong, microscopically 
pubescent. Corolla-tube lin. long, puberulous. Stamens 4, subsimilar ; 
outer cells parallel, muticous at the base; pollen of genus. Style hairy 
at the base; stigma 2, subglobose. 
Lower Guinea. Lower Congo: Stanley Pool, Callewaert ! 
5. A. linearis, S. Moore in Journ. Bot, 1894, 136. About 2 ft. 
high. Branches tetragonal, puberulous. Leaves 24-3 by 4-} in., sessile, 
