Glyptopleura. COMPOSITE. 423 



M. Cleveland!, GRAY. Akenes oblong-linear, minutely striate-costate, 4 or 5 of the ribs 

 slightly more prominent : outer pappus of one persistent bristle and a conspicuous circle of 

 narrow white setulose teeth : leaves narrow, only some of the radical pinnatifid. Bot. Calif. 

 i. 433. From Antioch (Mrs. Curran) to Santa Barbara and Sail Diego in California (first 

 coll. by Cleveland) ; also mountains of Arizona. 



M. obtusa, BENTH. Akenes obovate-oblong, obtusely angled by 5 rather prominent ribs, 

 the others delicate or obscure, the apex somewhat contracted and its border entire : no per- 

 sistent pappus-bristles : remains of tomeutum in axils of leaves, &c. : radical leaves thickish, 

 spatnlate-oblong, sinuate-dentate or pinnatifid; the teeth or lobes short-oblong, sometimes 

 very obtuse : corollas (white 1 ?) in dried specimens purplish-tinged. Gray, 1. c. Al.olitiimi, 

 & M. parviflora, Benth. PI. Hartw. 321. Senccio flocciferus, DC. Prodr. vi. 426. Cali- 

 fornia, from Monterey to Humboldt Co. and in the Yosemite ; first coll. by Douglas and 

 Hart we(j. 



* * Suffrutescent-perennial: "flowers yellow." Malacomerls, Nutt. 



M. incana, TORR. & GRAY. Low, white-tomentose : leaves in tufts on short basal shoots, 

 piunatifid, with short lobes : flowering branches scape-like, a few inches high, bearing one 

 or two rather large heads: involucre broadly campanulate : no persistent pappus-bristles. 

 Fl. ii. 486. Malacomerls incana, Nutt. Trans. Am. Phil. Soc. vii.435. Island in the bay at 

 San Diego, California, Nuttall, who only has collected it, and in imperfect specimens. 



* * * Somewhat suffrutescent and leafy paniculately branching perennials: flowers white 

 (changing to rose-color?): involucre broadly campanulate (nearly half-inch high), many- 

 flowered; the loose calyculate bracts numerous, subulate, passing into similar bractlets on the 

 peduncle: receptacle obscurely dentate-alveolate, no bristles detected: no persistent exterior 

 pappus-bristles. Leucoseris, Nutt. 



M. saxatilis, TORR. & GRAY. Minutely tomentose when young, soon glabrate, somewhat 

 succulent, a foot or two high : leaves lanceolate or the lower spatulate, either entire or laciui- 

 ate-pmuatifid : heads terminating the paniculate branches- akenes narrowly oblong, 10-15- 

 costate, at maturity somewhat 4-5-angled by the stronger ribs : apex slightly contracted, 

 bearing a very short multidenticulate white border. Gray, Proc. Am. Acad. & Bot. Calif. 1. c. 

 M. saxatilis & M. commutata, Torr. & Gray, 1. c., excl. syn. Senecio flocciferns. Leucoseris 

 saxatilis & L. California, Nutt. Trans. Am. Phil. Soc. vii. 440, 441. Hicracium? Califor- 

 nicum, DC. Prodr. vii. 235. Sonchits? Califomfctis, Hook. & Arn. Bot. Beech. 361. Coast 

 of California at Santa Barbara and southward ; first coll. by Coulter. Passes on the moun- 

 tains and in the interior district into 



Var. tenuif 61ia. Early glabrate or glabrous : stems slender, not succulent, 2 to 4 

 feet high, with lung and slender loosely-paniculate branches, bearing slender-pedunculate 

 heads (of equal or smaller size) : leaves narrowly lanceolate to linear, or on branchlets 

 almost filiform. M. tenuifolia, Torr. & Gray, 1. c. Gray, Bot. Calif. 1. c. Leucoseris tcnui- 

 folia, Nutt. 1. c. Mountain-sides and canons, Santa Barbara to San Diego, also Tejou, San 

 Bernardino, and Arizona; first coll. by Coulter. 



224. G-LYPTOPLEtTRA, Eaton. (r/Wro'?, carved, TrXeupa, side, from 

 the sculpturing of the akenes.) - - Winter annuals of the Utah-Nevada desert, 

 many-stemmed and depressed, forming flat and leafy tufts, only an inch or two 

 high ; with thickish and oblong runcinate leaves on margined petioles : heads 

 rather large for the size of the plant: fl. spring. Bot. King Exp. 207, t. 20; 

 Gray, Proc. Am. Acad. ix. 209, & Bot. Calif, i. 431. 



G. marginata, EATOX, 1. c. Corollas white, turning pink in fading, little exserted : lobes 

 and mostly whole margin of the leaves densely scarious-fringed, this white border mainly cut 

 into short obtuse teeth, only pectinate-setiform on the leaves subtending the heads. West- 

 ern borders of Nevada, from the Truckee to Caudelaria ( Watson, Lemmon, Shockley), and to 

 the Mohave desert in California, Parish. 



G. setulosa, GRAY, 1. c. Corollas yellow changing to pink, much exserted (half to three- 

 fourths inch) : white margin of the leaves less conspicuous, mainly composed of distinct sub- 

 ulate or acicular white teeth. St. George, S. Utah, to the Mohave desert, Parry, Palmer, 

 Parish, &c. 



