Madia. COMPOSITE. 305 



to 16; bracts of the receptacle linear and unconnected : ray-akenes linear-falcate, 1-2-nerved 

 on the narrow faces, commonly with a rudiment of pappus : disk-akenes numerous, straighter, 

 all the outer ones fertile, all with a pappus of slender palea;, which are either little or much 

 shorter than the corolla. — Anisocarpus Bolanderi, Gray, Proc. Am. Acad. vii. 3G0. — Woods 

 of the Sierra Nevada, California, from Mariposa to Plumas Co.; first coll. by Bolander, and 

 northward to Scott Mountains, Primjle. 



* * * Annu;il, with showy heads, cliiefly alternate leaves, :ind no pappus: pubescence viscid as 

 well as hirsute or hispid. 



M. radiata, Kellogg. Stem stout, 2 or 3 feet high : larger leaves broadly lanceolate, den- 

 ticulate : bracts of the involucre 10 to 20, with short tips: rays as many, half-inch long, 

 obtusely 3-toothed : disk-flowers very numerous on a nearly flat glabrous receptacle, all but 

 the central ones fertile, somewhat clavate and 4-angular, straightish : ray-akenes narrowly 

 obovate-falcatc, flat, tipped witli a minute reflexed beak ! — Proc. Calif. Acad. iv. 190; Gray, 

 Bot. Calif, i. 359. — California, near the mouth of the San Joachin River, Bolander. 



M. elegans, Dox. Stem less stout, a foot or two high, or in depauperate forms only a span 

 or two, above sometimes copiously beset with stipitate viscid glands, sometimes these almost 

 wanting: leaves linear or lauceolate, mostly entire : bracts of the involucre 5 to 1.5, with 

 linear tips : rays acutely 3-lobed, yellow throughout or with a brown-red spot at base : disk- 

 flowers more numerous than the rays, on a couvex hirsute-fimbrillate receptacle, all sterile : 

 fertile akenes olillquely obovate-cuneate, nearly nerveless, depressed-truncate and wholly 

 beakless at summit. — Don iu Bot. Keg. t. 1458; Gray, 1. c. 31. viscosa, var.. Hook. Fl. ii. 

 24, not Cav, Madaria elegans & M. corijmbosa (with var. }iispida1),T)C. Prodr. v. G92. 

 M. elegans. Hook. Bot. Mag. t. 3548. M. conjnihosa, Endl. Iconogr. t. 36. M. raccmosa, 

 Nutt. Trans. 1. c. — Hills and plains, throughout California, Oregon, aud the borders of 

 Nevada ; first coll. by Douglas. 



§ 2. EumIdia. Ligules inconspicuous or sliort, from twelve to one, or rarely 

 none : disk-flowers few or numerous and fertile : the corollas j^tibescent : pappus 

 none : receptacle flat, smooth : glandular and viscid heavy-scented annuals. — 

 Gray, 1. c. Madia^ Madariopsis, Madordla, & Amida, Nutt. I. c. 



M. sativa, Molina. Commojily robust, 1 to 3 feet high, pubescent with slender somewhat 

 viscid hairs and beset wltii pedicellate very viscid glands : leaves from broadly lanceolate to 

 linear: heads commonly short-peduucled or sessile aud rather scattered, 5 or 6 lines high: 

 rays 5 to 12, with honey -yellow ligules about 2 lines long! disk-akenes cuneate-oblong and 

 quadrangular, being prominently one-nerved on the faces (2 lines long), those of the ray 

 somewhat falcate-obovate, eitlier with or witliout au obvious nerve on the sides. — Don in 

 Bot. Reg. 1. c. ; DC. Notul. Jard. Genev. & Prodr. 1. c. ; Torr. & Gray, Fl. ii. 404. il/. saliva 

 (with false char.) & ii/. mellosa (which would have been the better name to use), JMolina, 

 Chil. ed. 1, 354. M. viscosa, Cav. Ic. iii. 50, t. 298. M. mellosa, Jacq. Hort. Sch<Enb. iii. 29, 

 t. 302. HI. stellala, Fisch. & Meyer, Ind. Sem. Petrop., few-flowered form, like that figured 

 by Jacquin. — Oregon and California. (Chili.) 



Var. congesta, Tork. & Gray, 1. c. The common Tarweed near the coast, stout, 

 branching, very sticky: heads mostly crowded or glomerate at the end of the brandies, 

 maiiy-flowered ; the rays from 8 to 12. — M. capitata, Nutt. 1. c. Nearly M. viscosa, Cav. 1. c. 

 — Fields and waysides tliroughout the western portion of California and Oregon; probably 

 an introduction from Chili, or the contrary. 



Var. racemosa, (tray, 1. c. Slender, simple-stemmed, with fewer-flowered heads 

 somewhat racemosely disposed : disk-akenes flatter and nerve less distinct. — M. racemosa, 

 Torr. &, Gray, I.e. Madorella i-acemosa, Nutt. I.e. — Oregon to Idaho, interior of Cali- 

 fornia, and Nevada. Approaching the fewer-flowered Chilian M. mellosa, .Jacq., &c., perhaps 

 passing into the next. 



M. dissitiflora, Torr. & Gray, 1. c. Slender, a foot or two high, often loosely branching, 

 moderately viscid : heads 3 or barely 4 lines high, scattered or loosely paniculate : rays 5 to 8 : 

 disk-flowers few: akenes shorter and broader (a line or two long), also thicker, not angled 

 nor with the sides evidently nerved. — M. sativa, var. dissitijlora, Gray, 1. c. Madorella 

 dissitiflora, Nutt. 1. c. Sclerocarpus gracilis, Smith iu Rees Cycl.? — Not uncommon through- 

 out Oregon and California. 



20 



