1.84 COMPOSITE. 



late j disk flowers perfect. Receptacle chaffy, conical. 

 Papfus of the disk of 2 erect awns. Involucre scales 

 oval, margined, imbricate. Annual?, native at the South, 

 common in cultivation, with opposite entire leaves and showy heads 

 of flowers. 



1. Z. elegans, L. Elegant Zinnia. 



Stems hairy; leaves oordate, sessile-amplexicaul; heads on long pcduneles; cliaff 

 serrated. July, Aug. Several varieties are known in cultivation with violet, white, 

 purple, scarlet and yellowish flowers. 



I 2. Z. multiflora, L. Mdny-floiccred Zinnia. Youth 

 and old age. 



Leaves cvate-lanceolate on short petioles ; heads on long peduncleg with dull scar- 

 let rays. Z. paucijlorum, with bright yellow flowers, L3 also found in cultivation, 



32. TAGETES, Linn. Marigold. 



Named for Tages, a Tuscan divinity. 



Heads heterogamous ; R ay-flowers 5, persistent. In- 

 volucre simple, tubular, of 5 united scales. Receptacle 

 naked. Pappus of 5 erect awns. — Annual herhs, natives of 

 tropical America, with pinnately divided leaves and showy heads of 

 Jioicers. 



1. T. patula, L. French Marigold. 



Stem erect, with spreading branches ; segments of the leaves linear-lanceolate ; pe- 

 duncles elongated, sub-cylindric, one-flowered; involucre smooth. Stem 1 to 2 feet 

 high. Flowers' yellow-orange, striped and variegated with deep brown. 



2. T. erecta, L. African Marigold. 



Leaves pinnately divided; segments lanceolate; cilliate-serrate; peduncles 1-flow- 

 ered, ventricose and thickened at the summit; involucre angular. Stem 2 to 3 feet 

 iiigb, with large heads of deep yellow and orange colored flowers. 



33. ACTINOaIERIS, Nutt. 



CVr. aktin, a ray, and mcris, a part, alluding to the small number, or irregularity 

 of the rays. 



Heads many-flowered; ray-flowers neutral, few, elon- 

 gated or rarely wanting; disk flowers tubular, perfect. 

 Involucre foliaceous, nearly equal, in 1 to 3 rows. Re- 

 ceptacle convex, chaffy, the outer chaff embracing the out- 

 er margin of the flat, oboyate, compressed and winged aclre- 

 nia. Pappus of 2 smooth persistent awns. — Tall and branch- 

 ing perennial herbs, with serrate feather ^viened leaves, and corym- 

 bed heads of chiefly yellow flowers. 



1: A. squarrosa, Nutt. Tall Achtinomeris. 



Stem erect, somewhat hairy and winged above; leaves alternate, or the lower op- 

 'Toaite, oblong or ovate-lanceolat<\ pointed at both ends; heads, in an open corymhed,. 



