4:>U CUMroSlT-K. Itujintsnuia. 



1. R. Californica, Null. Eatlior stout niul nnicli branching, 2 or 3 Ibet hiyh : 

 lower leaves pretty large, oblong ; upper gradually reduced to small bracts : invo- 

 lucre becoming thick at base and more or less conical ; its rather numerous calycu- 

 late scales subulate anil spreading ; the j)roper scales 1 2 to 15 : ligules short, white : 

 akenes tapering into a very slender beak us long as the body : pappus dull white, 

 the bristles line and sol't. — Torr. iiot. ]\lex. Eound. 10(i, t. 34. 



Thickets and slmdy groumls, from Sail Francisco Bay to Sun Diego ; aoiiietiiucs in grain-tielils 

 in the eastern part of the State : llowering in spring. Heads about two thirds of an inch high. 



2. R. Neo-Mexicana, (J ray. About a foot high, more simple : leaves laiiceo- 

 lato : head narrower, 15- 18-ilovvered : proper scjiles of the involucre 7 or 8, the 

 calyculato ones short and rather few : ligules rather large and conspicuous, llesh- 

 color or nearly whitt; : uktsnes tapering graduidly into a lirnior beak which is mostly 

 shorter than the body : pappus bright white, of 10 or 12 more rigid and uruchnoiil- 

 plumose bristles. — 1*1. Wright, ii. 103. 



Sand-liills near Fort Moliave {Cooper) ; thence through S. Utali {Mrs. Thompson, dipt. Bishop) 

 to tlie Rio Grande near El Taso, C. IVright. Head an inch long, exclusive of tlie corollas, which 

 are two thirds of an inch long. 



112. HYPOCHiERIS, Linn. 



Head several - many-llowered. Involucre oblong or campanuluto : the scak'S 



imbricated, lanceolate, appressed, the outer ones successively shorter, lieceptacle 



flat, furnished with thin and narrow scarious chaft" subtending the flowers. Akenes 



glabrous or merely scabrous, 10-ribbed, oblong or fusiform, at least the inner ones 



tapering upwards commonly into a beak. Pappus a series of flne plumose bristles, 



and often with some shorter and outer naked bristles. — Herbs with either leafy or 



naked stems, bearing solitary or somewhat corymbose long-peduncled heads of 



yellow lloW(irs; the leaves toothed or pinnatilid. — Henth. tt llook. (Jen. ii. 519. 



A rather largo gduiis of tlie mountains and temiierato regions of tlio Old World and of Soutii 

 America (now made to include Achijrophonis, Adansou) ; none indigenous to Nortii Amerim, 

 hut the following is simriiigly naturalized in California, as it is in various other parts of the 

 world. 



1. H. glabra, Linn. A span to a foot or more high from an annual root, 

 glabrous or nearly so : leaves all or mostly in a radical tuft, oblong-spatulate 

 or oblanceolate, ol)tuse, coarsely sinuate-toothed : scape commonly branched : outer- 

 most akenes truncate at the summit, the others tapering into a limg and slender 

 beak : pappus of capillary bristles, which are intricately plumose below but nearly 

 naked toward tlu; apex, and of some line and shorter naked outer bristles. 



In fields, near S;iii Francisco and Santa Cruz {Kef/oij;/, Anderson); doubtless introduced from 

 Euro])e. Ileatls a little over half an inch in length. 



113. ANISOCOMA, Torr. k (bay. 

 Head rather many-llowercil. Involucre cylindraceous, imbricated ; the s(;ales all 

 obtuse, thin-herbaceous, with broad whitish-scarious margins ; the inner broadly 

 linear and equal ; the others comparatively short and broad, oval, or the outermost 

 nearly orbicular. Receptacle flat, furnished with' long and bristleform chalf sub- 

 tending the flower.s. Ligules conspicuous. Akenes linear-turbinate, terete, 10-nerved, 

 silky-jnibescent, attenuate to a sharp point at base, the truncate summit crowned 

 with a narrow cu[) like border or ring. Pappus very white, of 10 or more rathcir 

 rigid bristles ; the about 5 longer ones (equalling the involucre) long-])lumose above 



