180 Annals of the South African Museum. 



tiores lutescentes ; folia ad 06 cm. longa, vix 0-2 cm. lata ; corolla 

 - 7 cm. longa, lobis haud vel obscure contortis, 0'2 cm. longis. 



Great Namaqualand : Eotkuppe, 4462. 



Branches and branchlets rigid subspinescent glabrous, green or 

 the older ones becoming yellowish ; leaves up to 06 cm. long, 

 scarcely G"2 cm. wide ; corolla 0*7 cm. long, the lobes not or 

 obscurely twisted. 



5. M. longituba, Schlechter, in Bull. Herb. Boiss., iv., 445. 

 Great Namaqualand : Among rocks at Gabis, 4320. Sandy plains 



near Raman's Drift, 4054. Bushmanland : Kweekfontein, 3822. 



6. M. Massoni, Schlechter, in Journ. Bot., 1896, 418. 



Great Namaqualand : Sandy plains 18 km. West of Aus, 4205. 



5. XYSMALOBIUM. 



1. Pearsonii, n. sp. X. carinato, N. E. Br., affine sed foiiis longi- 

 oribus margine crispulatis, umbellis flores pauciores ferentibus, 

 coronae lobis dorsaliter planis, columna staminali duplo longiore 

 distinguitur. 



Herba perennis, ad 35 cm. alta, e basiramosa, ramis elongatis sub- 

 compressis, novellis exceptis, glaberrimis ; folia erecta vel adscen- 

 dentia, petiolata, infima oblongo-linearia, cetera anguste linearia, 

 acuta vel acuminata, apice interdum spiraliter contorta, basin versus 

 gradatim in petiolum 1-5-6 cm. longum attenuata, margine scabrida 

 crispulataque, ad 20 cm. (saepius 10-15 cm.) longa, - 5-0-8 cm. lata ; 

 umbellae sessiles vel saepius pedunculatae, pedunculis ad 2-1 cm. 

 longis ; bracteae lineari-filiformes, 02-0-4 cm. longae ; pedicelli 

 parce pilosi, 1-2-1-8 cm. longi ; salycis segmenta oblongo-lanceolata 

 acuta, extus parce pilosa, - 4 cm. longa; corollae segmenta patentia 

 oblongo-lanceolata, marginibus delicatule revoluta, - 6 cm. longa ; 

 coronae lobi patenti-incurvi, e basi calumnae staminalis orientes et ei 

 aequantes, dorsaliter plani, ecai'inati oblongi, apice rotundati minu- 

 teque bifidi ; columna staminalis cylindrica, medio constricta, - 4 cm. 

 longa ; appendices antherarum ampliatae rotundatae, in apicem con- 

 cavum styli inflexae ; alae - 2 cm. longae; pollinia oblique lateque 

 obovata. 



Khamiesberg : Khamiesberg plateau, alt. 5,000 ft., 6560. 



A perennial herb, attaining 35 cm. in height, branched from the 

 base, the branches elongate, somewhat compressed, quite glabrous 



