COMPOSITE. (COMPOSITE FAMILY.) 495 



SYSTEMATIC SYNOPSIS. 



Suborder I. TUBUIiIFL.OmE.- 



Tribe I. EUPATORIACE^. Heads discoid. Flowerets all alike, tubular. 

 Anthers nearly entire at base. Branches of style long, nearly terete or club-shaped, with 

 short papillte. 



1. EUPATORIUM. Tall herbs. Leaves pinnatipartite into 3, ovate to lanceolate leaflets. 



Tribe II. ASTEKOIDE^, Heads radiate or discoid. Anthers obtuse at base 

 and entire. Branches of style in the perfect flowers rather flat, but coniinonly with a 

 prominent margin formed by the termination of the stigmatic lines, and terminating in 

 lanceolate or triangular, papillose appendages. Receptacle (in ours) naked 



2. Si^iJDAGO. 2f Flowers radiate, yellow, in a simple or paniculate, leafy raceme. Leaves 



simple, 



3. BELLIS. 2f Flowers radiate, pinkish-white, on scapes or branching stems. 



4. ERIGERON. (§) If Flowers radiate or discoid, pinkish-white to purplish. Rays in 



several rows. Leaves simple or lobed. 



Tribe III. INULOIWEiE. Heads various. Anthers caudate or bristly at base. 

 Branches of the style in the perfect flowers linear, obtuse, more rarely truncate, often club- 

 shaped, somewhat flattened ; the style of the sterile, marginal flowers undivided. 



SuBTRiBE I. JPIiUCHEINK^. Heads discoid, flowers all tubular, those of the 

 margin pistillate, filiform. Receptacle naked. 



5. CONYZA. 21. A tall shrubby plant, with ovate-oblong leaves, and corymbose flowers. 



SuBTRiBE II. FILiACrlNE/E. Heads of both staminate and pistillate flowers 

 collected into clusters, the marginal flowers subtended by the pales of the receptacle, the 

 central frequently naked, Scales of the involucre commonly scarious or translucent j 

 branches ol style obtuse. Akenes small, ribless. Woolly herbs. 



6. EVAX. Stemless or caulescent, minute herbs, with headlets crowded into flattened, 



hemispherical heads. 



7. MICROPUS. Stemmed herbs, with headlets crowded into small, nearly spherical 



racemed or panicled heads, 



8. FILAGO. Stemmed herbs, with solitary, clustered or crowded, corymbed, racemed, 



or panicled headlets. 



9. IFLOGA. Stemmed herbs, with headlets 2-3-clustered in axils of linear leaves, form- 



ing a dense interrupted spike from base to apex of plant. 



SuBTRiBE III. GNAPHAIilEiE. Heads various. Involucre of scarious, translucent 

 scales, the inner sometimes ray-like. Receptacle naked. Branches of the style in the per- 

 fect flowers usually truncate. Woolly plants. 



Series I. EUGNAPHAIilE^E. Scales of involucre not ray-like. 

 10 LASIOPOGON. Minute, moss-like plauts,with headlets clustered in terminal, globular 

 heads, hidden by long wool. 



11. PHAGNALON, ^ Low herbs with shrubby base, and solitary, long-peduncled heads. 



12. GNAPHALIUM. Herbs with corymbose branches, and headlets in dense cymes. 



Series II. HEIilCHRYSE^. Scales of the involucre scarious, the inner at 

 least often colored, ray-like or petaloid. 



13. HELICHRYSUM. 2L (5 I"^''l'*<^''^ scarious, red or yellow, as long as flowerets, or 



silvery-white, the intermediate scales radiating. 



SuBTRiBE IV. ATHRIXIE^. Heads radiate. Branches of style truncate at apex. 

 Receptacle naked or with fibrous chaft' at margin. 



14. LEySSERA. A small desert plant, with filiform leaves, and axillary or terminal, 



obconical-oblong, .005 long heads. 



SuBTRiBE V. EUINTJIjE-3E. Heads various. Receptacle naked. Branches of style 

 rounded at apex or obtuse. Flowers yellow, 



15. INULA, (D2i! 5 Unarmed herbs or shrubby below. 



