I^elsonia.] xcviii. acanthace^ (burkill). 20 



long. Corolla 2-2J lin. long. Capsule 2-3 lin. long.— Oliv. in Trans. 

 Linn. Soc, xxix. 125. N. canesceiis, Nees in DC. Prod. xi. C7 ; 

 A. Rich. Tent. Fl. Abyss, ii. 140. N. tomentosa, A. Dietr. Sp. Plant! 

 ed. 2, i. 419 ; T. Anders, in Journ. Linn. Soc. vii. 20 ; S. Moore, Journ. 

 Bot. 1880, 196. ^. hrunelloides, O. Kze. Rev. Gen. PL 493; Lindau 

 in Engl. Pfl. Ost-Afr. C. 365. N. origanoides, Roem. & Schult. Syst. 

 i. 173. Justicia canescens, Lam. 111. i. 41. Acanthodium spicatum, 

 Ac6rbi ex Nees in DC. Prod. xi. 67. 



Upper Guinea. Senegal, ^omn, 416! Bousillon, 53 \ Senegarabia, JTe.udelot, 

 48! Island of St. Mary and Kingdom of Cayor, Leprieur (ex Nees) ; Gambia, 

 Brown-Lester, 48! Sierra Leone: near Freetown, Scott-Elliot, 5905! and without 

 precise locality, Afzelius. Ashanti : Assin-Yan-Coomassie, Cummins, 191 1 Lagos, 

 Millen, 75 ! Niger Territory : Nupe, Barter, 1159 ! Fernando Po, Barter, 2046 ! 

 Mann, 253 ! 



Wile I.and. Abyssinia : Tigre ; near Jelajeranne, Schimper, 900 ! 1815 ! 

 Quartin- DiUon dc Petit! and without precise locality, Schimper, 803 ! Upper Senaar : 

 Fazokl, A'besc/iy, 484 ! Sarad Mts., /.e/gyre .^ Bahr-el-Abiad, (i'.-lrnaMc? .' British East 

 Africa: Moru Dist. ; Neangara, Pethericic ! Wayo, Petherick ! Mittuland ; Ncaraa, 

 Schweinfurth, 2776! Mvolo, Schweinfurth, 2788! Niamniam; Nabambisso River, 

 Schweinfurth, 3004 ! Uganda, in deep shade, Scott-Elliot, 7345 ! Ruwenzori, Scott- 

 Elliot ! 



Xiower Guinea. Corisco Bay, Mann, 1869 1 Gaboon : Munda ; Sibange Farm, 

 Soyaux, 295 ! Angola, Welwitsch, 5212 ! 5213 ! 5215 I 5216 ! 5217 ! 



XlXozamb. Dist. German East Africa : Lake Tanganyika, (7a77?e?-on/ eaf.t shore 

 of Lake Tanganyika, between Karema and Ujiji, Scott-Elliot, 8330 ! Khutu ; Mbwiga, 

 1290 h. , Speke d: Grant I Portuguese East Africa: Zambesi Delta: between ^lam- 

 bucha and Vicenti, Scott! British Central Africa: Nyasaland ; Fort Hill, 3500- 

 4000 ft., Whyte! Manganja Hills, Meller ! Shibisa (Chikwawa) to Tshinmuze, 200.0- 

 4000 ft., A'lrZ;/ Zomba,''2500-3500ft., Whyte! and without precise locahtv, ^wcAa/2«7J, 

 911 



5. SYNNEMA, Benth. in DC. Prodr. x. 538. 



Sepals narrow, often unequal. Corolla nearly straight ; tube shorter 

 than the calyx ; limb long, 2-lipped, twisted to the left in bud ; palate 

 transversely plicate-rugose, purple-rose and white. Stamens 2 or 4, the 

 posterior pair being smaller ; anther-cells parallel. Ovary narrow ; 

 style sparsely hairy. Capsule narrow, with many seeds borne from the 

 very base. Seeds small, ovoid, somewhat compressed, glandular- 

 puberulous or glabrous ; retinacula minute, conical, soft, not curved. — 

 Herbs, often viscid, aromatic. Leaves opposite, upper toothed, rarely 

 entire, lower often pinnatifid or pectinate. Flowers in spikes or whorls, 

 or 1-3 together in the axils of the leaves. — Cardanthera, Ham. ex Benth. 

 k Hook. f. Gen. PL ii. 1074. Adenosma, Nees (not of R. Br.) in Wall. 

 PL As. Bar. iii. 75; DC. Prod. xi. 67. 



A genus of about 10 species, of which two only occur in Africa ; the others are Indian. 

 *Pl^sianthera. Stamens 2, . . . . . . I. S. africanum. 



**EusYNNEMA. Stamcns 4 2. S. hrcviiuhum. 



1. S. africaxiTim, 0. Kze. Rev. Gen. PL 500. Stem branched, 

 l|-2 ft. high; branches puberulous. Leaves of two forms, the lower 

 stated to be submerged and pinnatifid, the upper sessile, linear-lanceolate, 



