167 



coronarium will yield good paper-making qualities from whatever 

 part of the world it is gathered, and that any differences in the 

 qualities of the above-mentioned material from Calcutta as com- 

 pared with that from Brazil (which latter we have thoroughly 

 investigated) are to be attributed to"^ differences in the preparation 

 of the raw fibre prior to shipment rather than to any difference in 

 the growth of the plant itself/' 



XXIX.— DIAGNOSES AFRICANAE: LIX. 



1501, Crassiila clavata, N. E. Brown [Crassulaceae]; species 

 ab omnibus distinctissima foliis rhomboideo-clavatis, floribus 

 capitatis^ petalis apice dorso appendiculis oblongo-ovoideis 

 carnosis inslructis. 



Herha nana, succulenta, acaulis. Folia omnia radicalia, oppo- 

 sita, in rosulam 3-4 cm, diametro dense conferta, 1-2 cm. longa, 

 6-9 mm. lata, 5-8 mm. prope apicem crassa, rhomboideo-clavata, 

 obtusa, supra plana, apice oblique subtruncata, subtus valde 

 convexa, glabra, viridia, leviter glauca, punctata. Pedunculi 

 3 cm. longi, 1-5 mm. crassi, erecti, minute puberuli, rubri, prope 

 apicem bracteis duabus oppositis deltoideis 2-3 mm, longis 

 instructi. Flores vsessiles, in capitulum 1-3 cm. diametro dispositi. 

 Bracteae 2-2-5 mm, longae, lineares, obtusae, glabrae, cilia tae. 

 Sepala 1-75-2 mm. longa, linearia, obtusa, ciliata. Fetala 5-6> 

 erecto-ccnniventia, fere 3 mm. longa, basi connata, superne 

 spathulata, lamina rhomboideo-ovata, subacuta, dorso infra 

 apicem appendiculo carnoso ovoideo-oblongo erecto instructa, 

 alba. Stamina 5-6, corollae tube inserta. Glanchdae hypogynae 

 minutae, clavatae, j^ulchre aurantiacae, Carpella 5-6; styli 

 brevissimi. 



South Africa. Prince Albert Division : without precise 



locality, Pearson, 



Described from a living plant sent to Kew by Prof. Pearson 



in 1912. 



1502. Mesembryanthemum fulviceps, N. E. Broken [Ficoideae- 



Mesembiyeae] ; affine J/. Lesliei, N. E. Br., sed fissura inter folia 

 multo profundiore et apicibus foliorum fulvis maculis parvis 

 rotundatis atroviridibus notatis beue distinguitur. _ 



Herba succulenta, perparva, acaulis. Folia 2, in corpusculum 

 ultra medium connata. Corpuscula subsolitaria vel subcaespitosa, 

 2-5-4'5 cm. longa, obconica, apice 2-5-2-8 cm. lata, truncata, 

 fissuris transversis notata, laevia, glabra, fulva, maculis parvis 

 rotundatis sordide atroviridibus notata, lateribus leviter purpureo- 

 cinerascentibus opacis; fissura 7-8 mm. profunda. Flores ignoti. 



South Afkica. Great Namaqualand : Great Karasberg Region, 



Pearson. 



H. W 



tbe Percy Sladen Memoriat Expedition to tlie Great Karasberg 

 Range, and sent to Kew in tlie Spring of 1913. As, from a want 

 of sunshine, these plants do not flower freely in this country, and 

 as this species may possibly die out of cultivation without flower- 

 ing, I have deemed it better to publish a description of it. In size 



