LXXVII, COMPOSITE. (J. D. Hooker.) 223 
late, or style of sterile fl. entire. Achenes 3-4-angled or terete or compressed. 
Pappus of 2-4 bristles or paleaceous or 0. 
Subtribe 1. LAGAsCEJ. Heads 1-flowered in globose clusters; invol. bracts 
forming a 5-fid tube. 
A villous or scabrid herb; lower or all the leaves opposite . 48*. LAGASCEA. 
Subtribe 2. MILLERIE®. Heads few-flowered. FI. sterile with undivided 
styles. Receptacle naked in the centre. 
Achenes and inflorescence with stipitate glands . . . . . 49. ADENOCAULON. 
Subtribe 3. MELAMPODIE®. Heads many-flowered. ` IL 9 sterile with un- 
divided styles. Receptacle paleaceous all over. 
Achenes dorsally compressed, with acute margins, embraced 
by the pales of the receptacle. . . . . . . . . . 60. CHRYSOGONUM. 
Subtribe 4. AxnBRosrEX. Heads heterogamous or unisexual. Fl. 9 sterile 
with undivided styles; 9 apetalous. -Anthers nearly free, with inflexed appen- 
dages. 
Invol.-bracts of d fl. free; of 9 forming a 2-flowered 2-celled 
capsule armed with glochidiate spinor 996, . . . 61, XANTHIUM. 
Subtribe 5. VERBESINE®. Heads GE, or homogamous. FI. % all 
fertile. Achenes of the disk angled, subterete, or laterally compressed, crowned 
with 2-3 bristles or scales or naked.— Leaves usually opposite. 
* Inner invol.-bracts embracing the achenes. 
Outer invol.-bracts 5-glandular . . . . . 92. SIEGESBECKIA. 
Outer inyol.-braets 4, broad, in opposite pairs, a marsh herb 53. ENHYDRA. 
** Inner invol.-bracts not embracing the achenes, Palee of Viene fiat, 
narrow. 
Outer invol.-bracts many . . . . . . Eu: 60 Of, ML 
*** Inner invol.-bracts not embracing the achenes. Palee of receptacle con- 
cave, embracing the achenes. 
Ray-fl. ligulate, sterile. Achenes not winged nor ciliate . . 55. ScrEROCARPUS. 
Ray-fl. with small ligules. Achenes not winged. . . . . 06. BLAINVILLREA. 
Ray-fl. with large yellow ligules. Achenes thick . . . . 57. WEDELIA. 
Ray-fl. with white or yellow ligules. Achenes ciliate . . . 58. SPILANTHES. 
Subtribe 6. ConEorsrpEx. Heads hetero- or homogamous. FI. § all fertile 
or neuter. -Achenes dorsally compressed, 2—4-awned or naked. 
* Outer invol.-bracts herbaceous, subequal ; inner shorter like the palee of the 
receptacle. 
Achenes small, sub-4-angled, sheathed at the tip by the hairy 
corolla. Pappus 0. d . . 68*. Gvizomia. 
Achenes flat, margins lacerate and winged. “Pappus of bristles 58*. SYNEDRELLA, 
** Outer involucral bracts few, small ; inner membranous, connate below. 
Style-arms with short appendages. Leaves alternate . . . 59. GLOSSOCARDIA, 
Style-arms with short appendages. Leaves opposite. Achenes 
usually 2-4-awned . . . . 60. BIDENS. 
Style-arms with long appendages, Achenes with 2 bristles . 61. GLOSSOGYNE. 
Style-arms with long appendages. Achenes awnless . . . 62. CHRYSANTHELLUM. 
Subtribe 7. GALINSOGE®. Heads hetero- or homogamous. Fi. X all fertile. 
Achenes with short bristle-like pale. 
Pappus paleæ entire or fimbriate . . . . . . . . . . 62*, GariNsoaa, 
Pappus palee awned, plumose . «e . e . » « « « « . 62*. Tripax, 
