COMPOSIT-ffl. (composite FAMILY.) 499 



74. EHAPONTICUM. 2|! Dwarf plants, with rosetted, 2-pinnatisect leaves, aad ovate 



heads. Hcales of involucre spiny -tipped. Flowerets pink. 



75. PH^OPAPPUS. 2|! ^ Scales of involucre more or less spiny. Flowerets yellow. Pap- 



pus of one kind, gradually longer from without inward. 



76. PTOSIMOPAPPUS. ^ Tall, unarmed. Flowerets yellow. Pappus caducous, nearly 



in 1 row of equal, scabrous hairs. 



* * Heads subtended by leaf-like or spiny bracts. 



77. CAKTHAMUS. (D 1(! Pales or bristles of pappus scabrido-serrulate. 



78. CAEDTJNCELLU8. 2L Pappus long-plumose. 



Tribe XI. MUTISIACEiE. Heads discoid, flowerets all perfect, fertile. Ee- 

 ceptacle honey-combed. Corolla regular, tubular, 5-parted. Anthers sagittate at base, ap- 

 pendages long-lanceolate. Branches of style linear, obtuse,»flat. 



79. H0CH8TETTEEIA. 2|| Akenes villous. Pappus composed of ten scales, produced into 



barbed bristles. 



Suborder II. L.IGUL.IFIiOR.^. 



Tribe XII. CICHORIACE^, ^Heads homogamous, flowerets all ligulate, fertile. 

 Anthers appendaged at tip, sagittate at base. Branches of style filiform, minutely papillose. 



SuBTRiBE I. SCOLcYMEJE, Spiny plants. Eeceptacle chaffy, scales enclosing* 

 akenes. Pappus crown-hke. 



80. SCOLTMUS. (2) Stems winged-spiny. Leaves and heads spiny. Flowers yellow 



SuBTRiBE II. CANTENANCHEyE. Eeceptacle honey-combed, bristly. Pappus 

 of long chaff". 



81. CATENANCHE. Leaves entire or sparingly dentate. Flowerets yellow, 



SuBTRiBE III, HYOSERIBE^E, Eeceptacle naked. Pappus chaffy or cup-like, 

 never plumose, sometimes with a few bristles, Akenes truncate. 



82. CICHOEIUM, 21 Flowerets blue or pink. Pappus short, in 2-3 rows of chaff" and 



bristles, 



83. HYOSEEIS. Stemless herbs. Flowerets yellow. Pappusof short bristles and dilat- 



ed pales. 



84. HEDYPNOIS. Low herbs. Flowerets yellow. Pappus of outer akenes cup-like, of 



inner chaflfy. 



85. TOLPIS. (D Tall herbs. Flowerets yellow. Pappus of very short outer, and 



longer inner bristles, or altogether of long bristles. 



SuBTRiBE IV. IjAPSANE^. Eeceptacle naked. Akenes rounded or obtuse at 

 tip, slightly margined. 



86. LAPSANA. Tall, corj'inbose herbs, with lyrate to lanceolate leaves. Flowerets 



yellow. 



SuBTRiBE V. RHAOADIOIiE^. Eeceptacle naked. Akenes taperiug or beak- 

 ed, rarely rounded at tip. Pappus crown-like, or of beards or bristles, rarely 0. 



87. KCELPINIA. Low. Leaves linear-filiform, entire. Akenes slender, curved, tipped 



with 7-9, recurved prickles. 



88. EHAGADIOLUS. Tallish. Heads medium. Akenes awl-shaped, spreading-stellate 



Pappus 0. 



89. GAEHADIOLUS. Low. Heads small. Akenes hook-like. Pappus a fringed crown. 



90. ZACYNTHA. Low. Heads minute. Akenes of margin gibbous, with a very short 



beak. Pappus scabrous, caducous. 



