500 COMPOSITE, (composite family.) , 



SuBTRiBE VI. CKEPIBE^. Eeceptacle naked, chaffy, or bristly. Akenes slender, 

 apex tapering or beaked. 



91. EODIGIA. Chaff linear-lanceolate. Akenes beaked. Pappus bristly or hairy. 



92. PICRIS. @ Eeceptacle naked. Akenes tapering or beaked, pappus plumose. 



93. HAGIOSEEIS. Eeceptacle naked, Akenes of the margin crowned, of the disc with 



pappus of plumose scales in 1 row. 



94. HELMIXTHA. Eeceptacle naked. Akenes with hair-like beaks ; pappus plumose. 



95. CEEPIS. (D 2f Eeceptacle commonly naked. Akenes tapering or beaked. Pappus 



not plumose. 



96. LAGOSEEIS. Eeceptacle bristly. Akenes columnar, pappus not plumose. 



97. CTMBOSEEIS. Receptacle naked. Akenes with a hollow base. Pappus not plumose. 



SuBTRiBE VII. HIER.ACIE-3E, Eeceptacle naked, bristly or chaffy, akenes con- 

 tracted at base, truncate at tip. 



98. HIEKACIUM. If Pappus white or reddish, brittle. 



99. AN^DEYALA. Pappus plumose at bae-e. 



SuBTRiBE VIII. HYPOCMJEKEUjE. Eeceptacle chaffy or naked. Akenes 

 •mostly beaked, wrinkled or scaly above. 



100. HTPOCH^EIS. Eeceptacle chaffy. Outer akenes truncate or tapering, inner 



beaked. 



101. LEONTODON. 02(! Eeceptacle naked. i\Jkenes tapering or beaked. Pappus plumose. 



102. THEIT^CIA. 2L Eeceptacle naked. Outer akenes tapering, ending in a fringed cup, 



inner beaked, with plumose pappus. 



103. TAEAXACUM. 2f Eeceptacle naked. Akenes 4-angled, scaly, beaked. Pappus 



simple. 



SuBTRiBE IX. IjACTUCE-(E, Eeceptacle naked. Akenes rather contracted at 

 base, tapering or beaked at tip, or tapering from base. Pappus copious, simple. 



104. CHOXDEILLA. @ Akenes 5-angled, commonly rather scaly, beaked. 



105. LACTUCA. (D If 5 ^^®°®^ compressed, beaked. 



106. CEPHAL0EEHTNCHU8. (f) Akenes terete 5 beak long, filiform. 



107. PICEIDIUM. If Akenes not beaked, at least the outer 4-5-angled, wrinkled. 



108. SONCHUS? (D If Asenes compressed, beakless. 



509. ZOLLIKOFFEEIA. @ If 5 Outer akenes columnar, tapering, the inner white, 

 smooth, truncate. 



SuBTRiBE X. SCOKZONEMEJE. Eeceptacle naked, or more or less haiiy. 

 Akenes with a hollow base, and a tapering or beaked tip. Pappus plumose. 



110. TEAGOPOGOX. (5) If Scales of involucre 5-16, about equal. Akenes beaked. 



111. GEEOPOGON" Scales of involucre 8. Akenes beaked, the outer tipped with 5 



lis. UEOSPEEMUM. Scales of involucre 8-10, united below. Beak hollow and inflated 

 at base. 



113. SCOEZOXEEA. 2f Scales numerous (except S. lanata), unequal. Akenes beakless. 



