Adelostigma.] lxxiii. coMPOSiTiE (oliver and hiern). 321 



Staminate florets 1 or few, 6-toothed ; anther-base bidentate. Style 

 undivided, strongly papillose from the fcip downwards. Achenes ob- 

 long, obtusely angular, clothed with erect stiffish hairs; basal callns 

 white ; setae of pappus 12-24, faintly cohering at base. — Cavcellaria 

 senegalensis, Sch. Bip. ms. in Hb. Cosson. 



Upper Guinea. Senegambia (flowers rose-coloured), Heudclot ! Sierra Leone, 

 Afzelius ! 



2. A. athrlzloides, Steetz in Peters Mossamb. Bot. 430. Erect 

 annual herb of 1 ft. more or less, with 2 or 3 short leafy branches 

 above, thinly pilose-hri'sute. Leaves linear- lanceolate, subacute, mu- 

 cronulate, narrowed to the base, entire or denticulate, 3 in. long, ^— i 

 in. broad. Capitula solitary, terminal, | in. diam., on tawny-pilose 

 erect peduncles. Involucral scales very numerous, narrow-linear- 

 subulate; outer successively shorter; intermediate ^ in. long. Pistillate 

 florets very slender, 2^ lin. long ; hermaphrodite florets much larger, 

 traversed by*6 dark purple lines. Achenes 1 lin. long, often slightly 

 curved, clothed with silvery appressed hairs ; seta? of pappus 12-16 

 denticulate. 



Mozamb. Blstr. Inhambane, Br. Peters ! 



25. TARCHONANTHUS, Linn. ; Benth. et Hook. f. 

 Gen. PI. ii. 288. 



Capitula dioecious, discoid. Involucre campanulate ; bracts 1-2- 

 seriate, herbaceous. Receptacle small, naked. Corolla of 9 fl. densely 

 woolly. Anther-base sagittate, long tails cohering in pairs. Style $ 

 fl. undivided or minutely 2-dentate. Achenes woolly ; pappus 0. — 

 Shrubs or small trees with alternate areolate- reticulate leaves and 

 paniculate inflorescence, the 9 capitula conspicuous owing to the co- 

 pious woolly investment of the florets. 



With the following exception confined to the Cape. 



1. T. camphoratos, Lmn. 8p. Pl.,ed. i., 842. A much-branched 

 shrub or a small tree with dark-ashy branches and aromatic smell. 

 Leaves narrowly oval, obtuse or submucronulate at the apex, somewhat 

 narrowed to the shortly petiolate base, entire, very shortly tomentose 

 beneath, subglabrescent and minutely tessellated above, coriaceous, 

 |— 1| by :J— f in., pale. Capitula campanulate, J in. long, ver}' shortly 

 pedicellate, in short racemes forming pyramidal cymes. Female florets 

 3-5. Achenes very woolly. — Harv. Fl. Cap. iii. p. 118, with synonymy. 



xrUe ILand. Somali, var. min(yr, Hildebrandt! shrub of 9-10 ft., alt. 6600 

 feet; Abyssinia, Hildebrandt! tree of 13 ft. ; Abys.sini;i, Schimper! 



T. minor, Less. ; Harv. 1. c. is probably a synonym ; also T. abyssinicus, Schultz 

 Bip. in Schweinf. Fl. JEthiop. 287. 



Occurs also widely spread over the regions of Africa south of the tropic. 



It was upon an arborescent species of Tarchon<inthns that Dr. "NVclwitsch states 

 that he found growing the only species of the genus Viscum which he saw in Angola. 

 VOL. III. *• 



