NOVITATES AFRICANAE 
167 
caulescens, ad 12-5 cm. altum, ramis adscendentibus vel diffusis, ramulis 
floriferis 4-foliatis ; folia sat pallide viridia laevia connata, turgide 3-quetra, 
carina obscura, inferiora apice subrecurva, ad 1-4 cm. longa, vagina 
0-6 cm. longa, superiora acuta apiculata, lamina 1-8 cm. longa, 0-4 cm. 
lata diametroque, vagina ad 0-9 cm. longa; flores solitarii 5-meri, per 
totam diem expansi, etiam per noctem vix clausi, 4-6 cm. diam., pedun- 
culo tereti, basin versus 2-bracteato, bracteis 2-3 cm. longis sine vagina 
0-6 cm. longa; calycis tubus subcrateriformis viridi-punctatus, 0-4 cm. 
longus, 0-8 cm. diam., segmentis lineari-lanceolatis vel oblongis acumin- 
atis, 1-1 — 1-7 cm. longis; petala angusta, laxe disposita, inter se sub- 
aequilonga, linearia, acuta vel rarius subobtusa, alba vel pallide rosea, 
ad 2-1 cm. longa, 0-1 — 0-15 cm. lata; stamina conico-collecta, staminodiis 
numerosis albidis, superne luteis vel pallidissime roseis, circumdata, 
cono circa 1 cm. alto, filamentis pallidis, parce barbatis, 0-4 — 0-8 cm. 
longis; discus inconspicuus annularis, obscure crenulatus; ovarium 
supra fere planum vel interdum leviter convexum, stigmatibus 10, 
linearibus, longe attenuatis, 1 cm. longis, demum ultra stamina bene 
exsertis. 
Cape Province: South-Western Region; Clanwilliam Div., fl. July 
1923, Dorothy van Zijl (Bolus Herbarium, No. 15199). 
Mesembrianthemum diutinum, L. Bolus. Epapillosumglaberrimum caulescens, 
ramis elongatis, nodis radicantibus, ramulis floriferis adscendentibus vel 
erectis, compressis, anguste alatis, sine pedunculo saepius 3-5 — 8 cm. 
longis, internodiis 1 — 2-5 cm. longis; folia adscendentia vel patentia, 
interdum subfalcata, connata, vagina ad 0-15 cm. longa, 3-quetra, e 
medio superne leviter dilatata, acuta purpureo- apiculata viridia laevia, 
ad 2 cm. longa, 0-25 cm. lata, 0-35 cm. diametroque; flores 5-meri 
solitarii vel 2-nat.i, meridie expansi, ad 4-8 cm., saepius 4 cm., diam., 
pedunculis medio 2-bracteatis, 3 — 6 cm., rarissime 1-5 cm., longis; 
calyx subclavatus, tubo 0-6 cm. longo, segmentis ovato-oblongis, inter 
se subaequilongis, 0'5 — 0-6 cm. longis, intimis late membranaceo- 
marginatis, membranis brunneis; petala pluri-seriata, exteriora spathu- 
lata, apice irregulariter denticulata, roseo-purpurea, 1-8 2 cm. longa, 
fere ad 0-3 cm. lata, interiora pauca linearia, acuminata vel acuta, 
0-7- — 1-3 cm. longa; stamina erecta vel subdiffusa, in diam. 0-7 cm. 
metientia, filamentis albis ebarbatis, 0-2 — 0-4 cm. longis, antheris pol- 
lineque luteis; discus conspicuus annularis, obscure crenulatus, o\arium 
supra planum, stigmatibus subulatis crassis, 0-2 cm. longis. 
Cape Province: South-Western Region; Riversdale Div., Dr J. Muir, 
2670 (National Botanic Gardens, No. 
This species has flowered at Kirstenbosch for the last nine years. 
It has a long flowering-period, from July to November, and remains open 
