182 BOTANY. 



nium and pappus, about, 5 diameters. 5. Involucre reflexed, showing 

 markings on convex receptacle, magnified about 4 diameters. 



Lactuca pulchella, DC. (Midgedium pidchellum, Nutt.) — Cottonwood 

 Creek, Colorado (G70). 



Sonchus ASPER, Vill. — Utah. 



Ciletadelpha* Wiieeleri, Gray (Watson, Amer. Naturalist, 7, 301). — 

 Stems numerous, flexuose, 1° high; leaves linear-lanceolate, 1-2' long, 

 entire, acute, rather rigid; flowers apparently rose-color; involucre 6" 

 long; achenia 3-4" long, the brownish pappus exceeding the involucre. 

 With the habit of Lygodesmia jimcea, in which genus Bentham and Hooker 

 are disposed to place it. — Southern Nevada. — Plate XV. Natural size. 1. 

 Involucre, enlarged about 4 diameters. 2. A single flower, about 5 diam- 

 eters. 3. Style and tube of anthers laid open, about 10 diameters. 4. 

 Mature achenium and pappus, 4 diameters. 5. A branching bristle of the 

 pappus, 10 diameters. 



Stephanomeria minor, Nutt. — Trout Creek, Colorado (671, 672); also 

 Central Arizona (361, 205). 



CAMPANULACEtE (including Lobeliace;e). 



Lobelia cardinalis, L., var. Texensis.+ (L. Texensis, Raf.) — Flowers 

 as a rule smaller than in our Northern form, and upper anthers more hairy 

 toward the apex; "leaves narrowly lanceolate." Closely resembling L. 

 splende,ns, Willd., as seen in No. 209, Palmer, 1875, but is a coarser, more 

 rigid plant, which may be merely accidental. — Camp Bowie, Ariz. (448). 



Lobelia gruina, Cav. (ic. 6, p. 8, t. 511, f. 2) — Perennial, erect, slen- 

 der, branching toward the top, glabrous or slightly puberulent below ; lower 

 leaves lanceolate, obtuse, somewhat puberulent, irregularly crenate-denticu- 

 late, 2—3' long ; upper leaves linear, acute, sometimes denticulate ; slender 

 flowering branches with the leaves fewer and smaller, narrowly linear 



* Ch^etadelpha, Gray. — " Heads about 5-flowered, ligulate. Involucre cylindrical, of lanceolate- 

 linear, membranaceous, keeled scales, enclosing the achenia, the exterior scales calyculate. Receptacle 

 naked. Ligule short, apparently rose-color. Achenia linear, truncate at each end, snb-5-angled, some- 

 what few-striate, with the apex broad and snb-repand. Pappus persistent, brownish of 5 stout naked 

 awns, to each of which there are 3-6 smaller divisions. Perennial herbs, retembling tbe Eulygodtsmiw." — 

 Gray, Proc. Amer. Acad, is, 218. 



t Regarded now by Dr. Gray (Syn. Fl. part 1, p. 3) as belonging to L. splendent), Willd. 



