22 DR. T. ANDERSON ON AFRICAN ACANTHACEJE. 
Herba pedalis, erecta, subglabra. Folia 1-14 unc. longa, à unc. lata. 
Calyz 3 lin. longus. Corolla 4 lin. longa, purpurea. Ovarium mul- 
tiovulatum. 
3. N.? LvaLLiANA, T. Anders.—Echinacanthus Lyallianus, N. ab E., 
DC. l. c. p. 168. 
Hab. In insula Madagascar, Lyall! in herb. Hook. 
I have seen so imperfect a specimen of this plant that I am in 
doubt about the genus. It has certainly no affinities with Echi- 
nacanthus, from which the form of the capsule distinguishes it. 
VII. Hxaengoruma, R. Br. 
1. H. SENEGALENSIS, T. Anders.—Physichilus Senegalensis, N. ab E., 
DC. Prod. xi. p. 81. 
Hab. In Senegal et Senegambia, Heudelot! in herb. Hook. un. 139 et 
2838. 
2. H. opora, T. Anders.—Polyechma odorum, N. ab E. in DC. l.c. 
p. 88. 
Hab. In Senegambia, Heudelot, n. 807 in herb. Hook.!, in herb. Mus. 
Paris. 
3. H. CÆRULEA, T. Anders,.—Polyechma ceruleum, Hochst. in Flor. 
Ratis. 1841, i. p. 376. 
Hab. In Nubia, ad ripas fluminis Nili, Schimper! in herb. Hook. 
4. H. uicRANTHA, T. Anders.—Polyechma micranthum, N. ab E. l. c. 
p. 83. 
Hab. In Senegal, Perrottet; ad Dagana in Senegambia, Leprieur ! in 
herb. Mus. Paris. 
9. H. Asyssinica, T. Anders.—Polyechma Abyssinicum, Hochst. in 
Schimp. Pl. Abyss. 
Hab. In Abyssinia, Schimper; in regno Sennaar, Kotschy, n. 293! 
6. H. BAnBATA, T. Anders.—Physichilus barbatus, N. ab E. l. c. p. 82. 
Hab. In Senegambia, Heudelot, n. 573 in herb. Hook.! 
7. H. LuTEA, T. Anders. Erecta, scabra; caule obsolete tetragono, 
supra nodos tumido; foliis sessilibus, linearibus, acutis, integris, pilis 
rigidis asperis; floribus in verticillis axillaribus, densis, subglobosis ; 
calycis laciniis longe lineari-subulatis, setis hyalinis ciliatis. 
Hab. Ad ripas fluminis ** Quorra," prope * Onitohe," Barter! in herb. 
Hook. 
Annua?, ]-2-pedalis, pilis rigidis patentibus scabra, pauce foliata. 
‘olia 2-5 unc. longa, Y unc. lata, linearia, acuta, basi attenuata, utrin- 
que aspera. Corolla parva, lutea. 
8. H. spinosa, T. Anders. in Thwaites, Enum. Pl. Zeyl. p. 225.—Aste- 
racantha longifolia, N. ab E. in DC. l. c. p. 247, cum syn.—A. auri- 
culata, N. ab E. l.c. p. 248.—A. macrantha, Hochst. in Schimp. Pl. 
