428 coMPOsiTiE. (composite family.) 



and September — Ditches and swamps ; Amanus to Marasli, and north- 

 ward. 



30. A;RfACYCL<US, Pers. Anacyclds. Beisum. 



Heads many-flowered, radiate, rarely discoid. Ray-flowerets pis- 

 tillate, tube flattened, winged. Disk-flowerets tubular, perfect, 5- 

 toothed. Akenes glabrous, more or less flattened, often crowned, the 

 outer, at least, with a broad, pellucid wing on each side, terminating 

 in a small ear. Involucre imbricated. Receptacle chaffy — Annual 

 herbs with aspect of Anthemis. 



1. A. radiatiis, Loisel. © .3 to .4, more or less villous-pubes- 

 cent ; stem erect, branching. Leaves oblong, bipinnatipartite into ob- 

 long, mucronate lobes. Heads .03 broad, short-peduncled ; scales of 

 involucre obtuse, the outer oblong, the inner dilated at tip into a 

 scarious, ragged appendage ; rays yellow ; akenes wedge-shaped, more 

 or less flattened, the outer winged at each side, wings ending in an 

 erect, dentate ear, the middle narrow-winged, the inmost wingless, 

 bald — Spring — Waste places and roadsides. 



2. A. nigellaBf©Ii«§, Boiss. © .2 to .3, somewhat appressed- 

 hirsute ; stem simple or stiff-branched from middle. Leaves ovate- 

 oblong, bipinnatipartite into very narrow, linear, mucronate, undivided 

 or bifid lobes. Heads .01 broad, rather long-peduncled ; outer scales of 

 involucre ovate-triangular, acute, the rest obtuse ; rays white, ovate-ob- 

 long, a little longer than involucre ; akenes obovate, wings of the outer 

 rather broader then seed, of the inner narrower, united at tip — May 

 and June — Grassy and cultivated hills about Rasheiyah (Antilebanon), 

 and Mureijat (Lebanon). 



31. ACHILLEA, L. Yakrow. 



Heads many-flowered, radiate, rarely discoid. Marginal flowerets 

 m 1 row, pistillate, the rest perfect, 5-toothed, the tube usually more 

 or less compressed, and the base more or less produced around the tip 

 of the akenes. Involucre imbricated. Receptacle chaffy. Akenes 

 compressed, tapering at base, tip rather broad, bald — Perennial herbs, 

 often woody at base, with white or yellow flowers. 



* Rays 5 or fewer, or 0. Scaler of involucre persiste?it. 



t Leaves pinnatisect into segments neither transverse nor imbricated. 



X Flowerets white, purplish, or cream-color ed. 



§ Axis of leaves toothless. 



' 1 A. Millefolium, 2 setacea, 3 odorata. 



§ § 2 Axis of leaves toothed. 



4 A. Ligustica. 



\ \ Flowerets golden-yellow. 



5 A. micrantha. 



1 1 Leaves jnnnatisect into minute, transverse, imbricated lobes. 



6 A. tomentosa, 7 Santolina, 8 falcata, 9 conferta, 10 Aleppica. 



1 1 1 Leaves undivided, serrulate. Heads discoid. 



