170 
NOVITATES AFRICANAE 
0-7 cm. diam. metientia, filamentis rubris ebarbatis, antheris pollineque 
aureis, 0-5 — 0-9 cm. longis; discus inconspicuus annularis crenulatus; 
ovarium supra convexum, distincte 5-lobum, stigmatibus erectis subu- 
latis acuminatis, 0-4 cm. longis. 
Cape Province: Western Region; Nieuwoudtville. Flowered in 
Dr R. Marloth’s garden, Cape Town, July 1923. 
A remarkably beautiful species, whose broad, bright scarlet petals 
serve to distinguish it from its allies in the § Tumidula. Named after 
Mrs R. Marloth, an ardent cultivator of South African plants. 
Mesembrianthemum cymosum, L. Bolus (§ Tumidula). Glabrum, 20 — 40 cm. 
altum vel ultra, crebre ramosum; rami rigidi, ad 0-4 cm. diam., inter- 
nodiis 2-5 — 4 cm. longis, ramulis saepius 4 — 6-foliatis, axillis gemmiferis, 
superne pedunculoideis; folia adscendentia, saepius fere erecta, apicem 
versus haud recurva, dorso rotundata, supra leviter convexa, sat abrupte 
acuta, obscure apiculata, glauco-viridia, 2 — 4-5 cm. longa, ad 0-4 cm. 
lata diametroque, vagina ad 0-5 cm. longa; flores 5-meri numerosi, 
meridie expansi, 1-8 — 2 cm. diam., in cymam latam, ad 12 cm. diam., 
saepius 4-furcatam, dispositi, ramis senioribus rigide patentibus, juniori- 
bus adscendentibus, pedunculis persistentibus, induratis vel etiam sub- 
spinescentibus, ultimis 1 — 2 cm. longis, omnibus 2-bracteatis, bracteis 
patentibus connatis crassis obtusis, 0-3 — 1 cm. longis; calyx turbinatus, 
segmentis inter se subaequilongis, ovato-lanceolatis acutis, ad 0-4 cm. 
longis, tribus ampliate membranaceo-marginatis; petala 1-seriata lineari- 
spathulata integra purpureo-rosea, ad 0-8 cm. longa, 0-1 — 0-15 cm. lata; 
stamina subdiffusa, 0-4 — 0-5 cm. diam. metientia, filamentis dilute 
roseis, basi barbatis, 0-15 — 0-3 cm. longis, antheris pallidis, polline luteo; 
discus annularis crenulatus; ovarium supra convexum, stigmatibus subu- 
latis, longe attenuatis, 0-2 cm. longis. 
Cape Province: South-Western Region; Montagu Div., Montagu 
Baths, very common, fl. Oct. 1921, M. M. Page (Bolus Herbarium, No. 
17168). Oudtshoorn Div., The Brook, near Oudtshoorn, fl. Dec. 1905, 
H. Bolus, 11903. 
Mesembrianthemum Lerouxiae, L. Bolus. Epapulosum caulescens glabrum, 
ramis decumbentibus vel subadscendentibus, 0-3 cm. diam., internodiis 
1'5 — 3 cm. longis, ramulis fere erectis compressis, anguste alatis, 2 — 4- 
foliatis; folia fere erecta connata, vagina sat tumidula, 0-3 — 0-5 cm. 
longa, triquetra vel turgide 3-quetra, acuta ajjiculata, supra plana, 
laevia glauco-viridia, ad 6 cm. longa, 0-4 — 0-8 cm. lata, 0-6 — 0-8 cm. 
diam.; flores 5-meri, die expansi, ad 5-6 cm. diam., 3-nati, pedunculis in 
calycem gradatim abeuntibus, 3 — 6 cm. longis, omnibus medio 2-bracteatis, 
bracteis foliis multo minoribus, basi concavis, 1-1 — 1-7 cm. longis; calyx 
turbinatus, tubo 0-5 — 0-6 cm. longo, segmentis lanceolatis acutis, inter 
