328 MR. SPENCER MOORE ON THE 
with Lessing’s description; indeed in regard to the leaves, they 
are more like the specimens seen by Lessing than those which 
Harvey had before him, inasmuch:as while the first-named given 
4- 10 lines as the length of those organs, and Harvey (Fl. Cap. 
i. 516) says the length is 1-14 in., on Masson's specimen there 
are no leaves reaching an inch in length, the largest measuring 
not more than 7 or at most 8 lines. 
On account of the rarity of Dicoma radiata it has been judged 
worthy of the accompanying plate, from the details of which the | 
plant’s special features will be readily apprehended. The habitat, 
according to Solander, is the Karroo beyond Hartegnas Kloof, 
in very dry places (* locis aridissimis "'). 
CREPIS BUMBENSIS, Hiern, Cat. Welw. PL i. 616. 
Angola, along the road from N'Golo to Oulangombe ; Goss- 
weiler, 1172. 
LACTUCA ScnvrzkANA, Büftn., in Verhandl. Bot. Ver. Brand. 
xxxi. (1889) 72 (e deseript.). 
Loanda, Cazengo, among high grasses on gravelly ground near 
Monte Bello; Gossweiler, 668. 
An erect green or purplish herb 6-15 feet high. Stem up to 
an inch in diameter. Inflorescence 4 feet or more long.  Ligules 
milk-white. Except for the white florets agrees fairly well with 
Biittner’s description. 
[Nore.—The following description was inadvertently omitted ; 
it should come after T. griseiflora on page 306.—8. L. M.] 
TRICALYSTA MILANJIENSIS, sp. nov. Fruticosa, ramulis ascen- 
dentibus mox apertis tenuibus bene foliosis pubescentibus demum 
glabris novellis minute sed dense pubescentibus, foliis lanceolatis 
vel oblongis sursum aliquando cuspidulatis nune acutis nune 
obtusis rarissime obtusissimis apice solemniter longiuscule 
mucronatis basi in petiolum brevem angustatis papyraceis supra 
costa media puberula exempta glabris necnon obscure nitentibus 
subtus in nervorum axillis passim pubescentibus eeterum glabris 
costis secundariis utrinque cirea 8 horizontalibus leviterve ascen- 
dentibus marginem versus dichotomis, stipulis e basi brevi ovata 
in appendicem longam exeuntibus extus pubescentibus, axillis 
plurifloris, floribus breviter puduneulatis, ealyeulo duplici 
