EXPLANATION OP THE MAGNIFIED ANALYTIC 

 FIGURES OF THE PLATES. 



Plate I. — Qingidium Dieffbnhachii. — 1, male flower; 2, front view of a 

 stamen ; 3, back view of a stamen ; 4, side view of a stamen ; 5, side view and 

 6, front view of a male flower after the lapse of the stamens. 



Plate II. — Euryhia Traversii. — 1, unexpanded capitulum ; 2, expanded 

 capitulum ; 3, acomplete bisexual flower ; 4, corolla and genitalia of the latter ; 

 5, corolla of the same laid open ; 6, stamina ; 7, pollen-grains ; 8, style of bi- 

 sexual flower ; 9, unisexual flower complete ; 10, its coroUa and style ; 11, its 

 style separate ; 12, bristles of the pappus ; 13, alveoles of the receptacle ; 14, 

 aohenium ; 15, its longitudinal and 16, its transverse section ; 17, embryo. 



Plate III. — Senecio Skniii. — 1, indumentum j 2, unexpanded capitulum ; 

 3, expanded capitulum ; 4, bisexual flower complete ; 5, its corolla and geni- 

 talia; 6, its corolla out open ; 7, stamens; 8, pollen-grains ; 9, style of bisexual 

 flower ; 10, unisexual flower complete ; 11, back view of its coroUa ; 12, invo- 

 lucre and receptacle ; 13, aohenium ; 14, the same longitudinally dissected ; 

 15, embryo ; 16, transverse section of aohenium ; 17, bristles of pappus. 



Plate IV. — Senecio radiolatus. — 1, unexpanded capitulum ; 2, expanded 

 capitulum ; 3, longitudinal section of capitulum ; 4, bisexual flower complete ; 

 5, its corolla separate; 6, corolla laid longitudinally open; 7, stamens; 8, 

 pollen-grains ; 9, style of bisexual flower ; 10, unisexual flower complete ; 11, 

 dorsal view of the same ; 12, its style ; 13, involucre and receptacle ; 14, 

 alveoles of the latter ; 15, aohenium dry ; 16, aohenium moistened ; 17, 

 longitudinal and 18, transverse section of aohenium ; 19, embryo ; 20, bristles 

 of pappus. 



Plate V. — Leptinella Featherstonii. — 1, unexpanded capitulum ; 2, ex- 

 panded capitulum, with part of the uni- and bisexual flowers removed ; 3, a 

 bisexual flower complete ; 4, the same laid open ; 5, stamens ; 6, style of the 

 bisexual flower ; 7, poUen-grains ; 8, a complete unisexual fertile flower ; 9, 

 longitudinal section of the same ; 10, achenium cut transversely ; 11, side 

 views of embryo. 



Plate VI. — Leptinella potentilUna. — 1, unexpanded capitulum ; 2, ex- 

 panded capitulum with part of the bi- and unisexual flowers removed; 3, 

 involucre and receptacle ; 4, a bisexual flower ; 5, the same laid open longitu- 

 dinally ; 6, stamens ; 7, pollen-grains ; 8, style ; 9, unisexual flower ; 10, the 

 same longitudinally cleft ; 11, transverse section of aohenium ; 12, side views 

 of embryo. 



