474 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



[Vol. 8, No. 5 



tulis iisdem foliorum indumento excepto quae supra sub H. brassii scriptae sunt 

 differt. 



Herba perennis, eglandulosa, caules numerosos decumbentes usque ad circiter 

 35 cm. longos et 20 cm. altos emittens; caules superne plus minusve ramosi, 

 usque ad capitula foliosi, graciles, 1-2 mm. diametro, ubique nisi ima basi densis- 

 sime ac persistenter albido-floccoso-araneosi; internodia 0.5-1.5 cm. longa. 

 Folia chartacea, patentia vel capitula versus suberecta, subtus more caulium 

 vestita, supra laxius sed satis dense araneosa et eglandulosa, basi sessilia et 

 vaginantia apice acuta et mucronata, inferiora oblongo-oblanceolata 1.5-3.2 cm. 

 longa 0.3-0.6 cm. lata, superiora sensim reducta et lanceolata, suprema circiter 

 5 mm. longa 1.5 mm. lata; costa supra leviter impressa subtus satis prominens, 

 venatione ei H. brassii, q.v. supra, similis. Inflorescentiae laxae, 1- usque cir- 

 citer 10-cephalae. Capitula pedunculos foliosos circiter 2.5-10 cm. longos ter- 

 minantia, heterogama; involucrum circiter 1 cm. altum, 1-1.5 cm. latum; foliola 

 circiter 7-serialia, glabra, scariosa, interiora omnino lutea circiter 7-8 mm. longa 

 1.5—2 mm. lata (sed intima reducta et circiter 1 mm. longa), mediana et exteriora 

 bicoloria apicem acutum et squarrosum versus viridi-nigra aliter luteo-straminea, 

 extima ovato-triangularia circiter 2 mm. longa, superne sensim longiora et lanceo- 

 lata usque ad 10 mm. longa et 2.5 mm. lata. Flores extimi tantum 2 mm. longi, 

 anguste tubulosi, sursum paulum ampliati, apice minute 4-5-lobati; J 1 numerosis- 

 simi, 2.5 mm. longi, apice minute 5-lobati; antherae 1.2 mm. longae. Ovarium 

 glabrum, pappi setis circiter 1.9 mm. longis coronatum. Achaenia nondum matura. 



Mlanje District: Mlanje Mountain, 1891, A. Whyte s.n., p.p. (Herb. Kew.), A. 

 Whyte 134, p.p. (Herb. Mus. Brit.); ibid., 2130-2440 m., Mar. 1897, G, Adamson 

 339 (Herb. Kew., Herb. Mus. Brito); ibid., Luchenya Plateau, common on shallow 

 soil in open grasslands, perennial herb 15-20 cm. high, freely branched, the many 

 ascending branches forming compact showy masses, flowers yellow, 1890 m., 

 July 2, 1946, 16622; ibid., plentiful on shallow soils in open rocky grasslands, 

 herb about 20 cm. high, of loose spreading habit, flowers yellow, tips of outer 

 bracts blackish-green, 2240 m., July 3, 1946, 16634 (TYPUS)". 



H. dichroolepis is in the circle of affinity of H. sulphureo-fuscum Bak., and 

 is most closely related to H. brassii Brenan. The leaves resemble in shape and 

 venation those of the last-named species, but are rather densely white-cottony 

 above and lack its short but conspicuous glandular indumentum. From H. suU 

 pbureo-fuscum itself the shape, venation, and cottony indumentum on the upper 

 surface of the leaves will readily distinguish it. The three species are scarcely 

 separable by their capitula alone and seem to form a natural group. H. sulphureo- 

 fuscum extends from Tanganyika to Southern Rhodesia, and thus has the widest 

 distribution; H. brassii is confined to Nyasaland and Portuguese East Africa; 

 while H. dichroolepis is apparently narrowly endemic to Mlanje Mountain. 



Brass 16622 has the darkening of the phyllaries less pronounced than usual. 



Helichrysum setosum Harv. in Harv. & Sond. Fl. Cap. 3: 231. 1865; Moeser, Bot. 

 Jahrb. 44: 337. 1910. 

 Zomba District: Zomba Plateau, occasional in open grassland, herb 1 m. high 

 or more, plant erect and bushy, aromatic, leaves very pale green, flowers yellow, 

 showy, 1800 m., May 31, 1946, 16120. Kota-kota District: Nchisi Mountain, oc- 

 casional among grasses edging rain-forest, herb 60-80 cm. high, annual, more or 

 less viscid, flowers yellowish-green, 1550 m., July 30, 1946, 17043. East Africa 

 from Abyssinia to South Africa. 



Stoebe kilimandscharica O. Hoffm. in Engl. Pflanzenw. Ost-Afr. C: 411 (1895) 

 var. densiflora O. Hoffm. Bot. Jahrb. 30: 430. 1901. 

 Stoebe kilimandscharica sensu Levyns, Jour. S. Afr. Bot. 3: 15. 1937, pro parte; non 

 O. Hoffm. sensu strict©. 



