424 Lxxiii. COMPOSITE (OLIVER AND hiern). [Tripteris. 



undivided." Achenes in onr species conspicuously alate ; pappas 0. — 

 Herbs or shrubs with alternate or opposite entire or toothed often 

 glandular or scabrid leaves, and solitary or loosely panicled pedunculate 

 yellow purplish (or blue ?) capitula. 



A genus of 25-30 species, chiefly belonging to the Cape. 



Leaves all alternate. Heads rather numerous 1. T. Vaillantii. 



Lower leaves opposite. Heads few. 



Perennial. Leaver all sessile or subsessile 2. 7". monocephala. 



Annual. Lower leaves on slender petioles S. T. Lordii, 



Calendula arvensis, Linn, was found by Schweinfurth in the Oreat Oasis. 

 Tripteris cimeifoha and T. Rueppdlii, Schiiltz Bip. ex Schweinf. et Aschers. Enum. 

 p. 287, names only, from Abyssinia, are unknown to us. 



1. T. Vaillantii, Decalsne in Ann, 8c. Nat, ser. ii. vol, ii. p. 260 

 (1834). Scabrous erect stiff herb, 1-2 ft. high or more. Branches 

 striate, leafy below the inflorescence. Leaves all alternate, varying 

 from linear to narrowly elliptical, dentate or subpinnatifid, 1-4^ in. 

 long, the upper ones sessile and seniiamplexicaul, the lower gradually 

 narrowed into a short petiole, Capitula hemispherical, about | in. 

 diam.-in flower, on pedicels of J-7 in. in a lax open corymb. Invo- 

 lucral bracts 0-11, I in, long, narrowly linear with a subulate tip, 

 reflexed in old fruit. Ligule of the ray-flowers sometimes exceeding 

 ^ in. — A. Rich, Fl. Abyss, i. p. 446 ; T, clidranthifolia^ Schultz Bip. in 

 Herb. Scliimp. Abyss, i. n. 345 & iii. n. 1480. 



Wile Ziand. Abyssinia. Schimpcr ! ParJcyns! Petit! Q. Dillon, Both! alt. 

 5,7(>0 ft. ; 8omali-land, alt. 6,000 ft., Hildehrandt ! 

 Occurs also at Mount Sinai. 



2. T. monocephala, 0. ^ H. Erect subscabrid perennial, about 

 2 ft. high. Stems simple or but little branched, terete. Lower leaves 

 opposite, narrowly elliptical, sessile or subsessile, narrowed at both ends, 

 entire or distantly toothed, 1^-2 by J-| ; upper leaves sessile, sHghtly 

 amplexicaul, rather smaller, alternate. Capitula hemispherical, scarcely 

 ^ in. diam. in flower, solitary, on peduncles of 6-12 in., which bear one 

 or more narrow alternate bracts rather smaller than the leaves. Invo- 

 lucral bracts linear-subulate, about ^ in. long. 



Mozamb. I>istr. Manganja RiUs, Meller / Zambesia, Stewart/ 



3. T. Xiordii, 0. Sf H. A decumbent or ascending scabrid-pu- 

 bescent annual, 4-6 in. high, rather leafy below, but little branched. 

 Lower leaves opposite, petiolate, oval or narrowly elliptical, distantly 

 repand-denticulate, obtuse or apiculate, narrowed towards the base, 

 1^2| in. long including the petiole of ^-J in. ; upper leaves alternate 

 narrower sessile or shortly petiolate. Capitula campanulate in flower, 

 i in. long, on slender pedicels of 1-2-^ in., solitary or few in a lax 

 cyme. Involucral bracts narrowly lanceolate, ^ in. long, acute. Li- 

 gule of the ray-florets Unear, about ^ in. long. 



Wile Iiand. Upper Nubia, Hor Tamanib, J. K. Lord ! (with label stating that 

 the flower is blue). 



