1954] 



PLANTS COLLECTED IN NYAS ALAND 



469 



Mlanje District: Mlanje Mountain; Luchenya Plateau, frequent in open rocky 

 situations on grasslands, shrub 30-40 cm. high, of compact bushy habit, a very 

 beautiful species, flower-bracts silvery white flushed with pink (just coming into 

 flower), 2150 m., July 11, 1946, 16790. Endemic to Nyasaland. 



Helichrysum patulifolium Bak. Kew Bull. 1898: 150. 1898; Moeser, Bot. Jahrb. 

 44: 330. 1910. 



North Nyasa District: Nyika Plateau, common on grassy edges of forest, shrub 

 60-80 cm. high, flowers yellow, 2300 m., Aug. 11, 1946, 17176; ibid., local in 

 grasslands, shrub 30-40 cm. high, flowers yellow, lower bracts reddish, upper 

 yellow, 2400 m., Aug. 18, 1946, 17314; ibid., Nchena-chena Spur, plentiful in 

 open grassland, shrub 50-70 cm high, flowers yellow, bracts yellow, sometimes 

 tinged with red, 2000 m., Aug. 20, 1946, 17347. Nyasaland, Tanganyika Terri- 

 tory, and the Belgian Congo. 



Helichrysum (§ Polylepidea) milne-redheadii Brenan, sp. nov. 



H< patuli folio Baker perspicue affinis, capitulis multo majoribus plerumque 

 valde laxe subcorymbosis vel singulatim dispositis, foliolis involucri interioribus 

 longioribus differt. 



Herba perennis, erecta, usque ad 1 m. alta; caules e caudice incrassato ut 

 videtur singulatim vel bini exorientes, 1*3 mm. diametro, primo araneosi necnon 

 pilis nonnullis patentibus glandulosis inconspicue instructi, serius glabrescentes 

 et brunnei, inferne denudati et cicatricibus foliorum delapsorum notati, superne 

 plus minusve laxe ramosi et dense foliosi; internodia brevissima, circiter 1-2 mm. 

 longa. Folia rigidula, patentia, saepe varie arcuata, subtus albido-araneosa sed 

 hoc indumento marginibus revolutis saepe plus minusve occulto, supra pilis nu« 

 merosis rigidis brevibus glandulosis asperula et primo parce et evanescenter 

 araneosa, linearia, basi sessilia et saepe dilatato-auriculata, apice acuta, 6-18 

 mm. longa, medio 1-1.5 mm. lata, suprema parum reducta; costa supra canalicu- 

 lato-impressa, subtus prominula, nervis aliis vix cernendis. Inflorescentiae laxae, 

 oligo-(3-6-)cephalae, capitulis aliis solitariis ramos laterales terminantibus 

 saepe adjunctis. Capitula heterogama; involucrum 1.1-1.4 cm. altum, circiter 

 1.3*1.5 cm. latum; foliola appressa, circiter 7-serialia, glabra vel parce araneosa, 

 basi unguiculata; lamina foliolorum interiorum omnino lutea vel nonnunquam luteo= 

 rubella, ovato-lanceolata, acuta, subintegra, 7-8 mm. longa, 2-2.5 mm. lata, sed 

 intimorum reducta et circiter 1 mm. lata; ea medianorum et exteriorum stramineo- 

 rubella vel nonnunquam fere straminea, ad apicem acuta, ad marginem plus 

 minusve eroso-denticulata; extimorum ovato-triangularia, circiter 2.5 mm. longa, 

 interiorum sensim majora. Flores extimi $ uniseriati, 2.8 mm. longi, anguste 

 tubulosi, sursum paulum ampliati et ad apicem minute 5-lobati; <jf numerosissimi, 

 3»5 mm. longi, tubulosi, ad apicem minute 5°lobati; antherae 2 mm. longae. Ovar- 

 ium glabrum, pappi setis circiter 2 mm. longis coronatum. Achaenia nondum 

 matura. 



NYASALAND: North Nyasa District: Nyika Plateau, Nchena-chena Spur, in Brachy- 

 stegia woodlands, 80 cm. high, flowers and bracts yellow, 1400 m., Aug. 20, 1946, 17360. 



NORTHERN RHODESIA: Kalwala, local and very scattered amongst grasses in Isober- 

 linia paniculata, Brachystegia spiciformis, B. longifolia, Uapaca kirkiana, Faurea, Protect 

 woodland on a reddish-brown sandy loam, a perennial herb up to 60 cm. high with red outer 

 bracts to golden-yellow capitula, 1770 m., Aug. 1, 1938, Greenway & Trapnell 5549 (Herb. 

 Kew.). Mwinilunga District: R. Kakema S. ot Mwinilunga, on grassy bank above river, 

 perennial 60-90 cm. high, outer bracts reddish, inner golden, 24 Aug. 1930, Milne-Redhead 

 964 (TYPUS in Herb. Kew.). 



The marked differences in size and arrangement of the capitula enable this 

 species to.be very easily separated from its nearest relative, H. patulifolium Bak. 



