6 
NOVITATES AFRICANAE 
folia adscendentia, connata, vagina circa 0-2 cm. longa, triquetra, acuta 
vel acuminata, apiculata, carina complanata, integra vel crenulata, le viter 
decurrente, glauco-viridia, 2-5 — 3 cm. longa, 0-3 cm. lata diametroque; 
flores solitarii 5-meri, meridie expansi, ad 1-8 cm. diam., pedunculis 0-5 — 
1 '8 cm. longis, medio bracteatis; calyx turbinatus, segmentis inter se 
inaequalibus lanceolatis acuminatis, tiibus membranaceo-marginatis, 
0-4 — 0-7 cm. longis; petala 2-seriata linearia, e medio attenuata, obtusa, 
dimidio superiore roseo-purpureo, inferiore pallido, ad 0-8 cm. longa, vix 
ad 0-2 cm. lata; stamina conico-collecta, 0-2 cm. diam., staminodiis fili- 
formibus, inferne albis, parce barbatis, circumdata, filamentis medio 
barbatis, superne purpureis, 0-2 — 0-3 cm. longis, antheris pollineque 
flavis; discus conspicuus annularis denticulatus; ovarium supra valde 
convexum, stigmatibus subulatis acuminatis, 0-15 cm. longis. 
Cape Province: South-Western Region; Riversdale Div., on limestone 
hills near the sea, fl. June, Dr John Muir , 3097. On limestone hills near 
Eland’s Kop in the Duinen, fl. Aug., id., 905. Gouritz River, Melkhout- 
fontein, on limestone hills, fl. July, id., 3113. 
Described from living specimens. The name, calcicolum, has been given 
because the species, as far as is known, grows exclusively in limestone. 
M. Stayneri, L. Bolus. M . yroducto affine, sed habitu compacto, foliis abrupte 
acutis, haud longe attenuatis, carina magis conspicua, differt. 
Glabrum compactum, sat robustum, multo ramosum, circa 20 cm. 
altum, ramis diffuse patentibus, internodiis ad 2 cm., saepius 1-5 cm., 
longis, ramulis ultimis erectis vel fere erectis, dense foliosis; folia saepe 
fere erecta, basi connata, vagina ad 0-1 cm. longa, superne 3-quetra, 
inferne semi-teretia, supra plana vel basi profunde concava, abrupte 
acuta, glauco-viridia rubro-apiculata laevia, 1-5 — 2-5 cm. longa, 0-3 cm. 
lata diametroque; flores 3-nati vel saepe abortione 1 — 2-nati, 5-meri, 
meridie expansi, saepius 3 — 3-3 cm. diam., pedunculis brevibus, rare ad 
2 cm. longis, infra medium bracteatis; calyx turbinatus, segmentis inter 
se valde inaequalibus, 2 petalis aequilongis vel ea excedentibus, acuta vel 
acuminata, brevioribus late membranaceo-marginatis, 0-9 — 1-6 cm. longis; 
petala circa 5-seriata linearia, inferne leviter angustata, integra (acuta vel 
obtusa) vel denticulata, roseo-purpurea, 0-3 — 1-4 cm. longa, parum exce- 
dentia 0-1 cm. lata; stamina conico-collecta, staminodiis acuminatis roseis 
circumdata, filamentis pallidis barbatis, 0-3 — 0-6 cm. longis, antheris 
pollineque saturate luteis; discus annularis crenulatus; ovarium supra 
convexum lobatum, stigmatibus subulatis acuminatis, 0-4 — 0-5 cm. longis. 
Cape Province : South-Eastern Region ; Bedford, F. J. Stayner (National 
Botanic Gardens, No. §i). 
Described from numerous living specimens which flowered at Kirsten- 
bosch from March to July 1924. 
