FERNALD. — GENUS PECTIS. 73 



P. angustifolia, Torr. Plant very aromatic, resembling P. tenella : 

 pajipus a shallow cup or crown of 4 or 5 more or less connate squamellae. 



— Ann. Lye. N. Y. ii. 214 ; Gray, PI. Feudl. 61 & Gray in Torr. Bot. 

 Mex. Bound. 73 ; Hook. Bot. Mag. ciii. t. 6286. Ilelioreos, Raf". 1. c. 

 Pectidopsis angustifolia^ DC. Prodr. v. 98 ; Torr. & Gr. Fl. ii. 62. — 

 Dry soil, Kansas (Plank) and Colorado (Parry, &c.) to Lower Cali- 

 fornia (Palmer, 1887, no. 657) and Chihuahua (Hartman, no. 817). 



Var. snbaristata, Gray, Pappus, in addition to the crown, of 2 

 slender awns. — PL Wright, i. 82. P. fastigiata, Gray, PI. Fendl. 62. 

 P. angustifolia^ Gray, Proc. Am. Acad. xix. 46, in part, not Torr. — 

 Southern Texas and New Mexico to San Luis Potosi. Texas, near 

 Austin (Chas. Wright), between the Pecos and the Limpia (Chas. 

 Wright, no. 244), Georgetown (Palmer, 1880, no. 703); New Mexico, 

 Deraing (Kellogg) ; Coahuila, Saltillo and Monclova (Palmer, 1880, 

 nos. 701, 702) ; San Luis Potosi (Parry, no. 519), near Peotillos 

 (SchafFner, no. 325). 



* * Erect, branching above, heads short-pedunculate in cymose or glomerate in- 

 florescences : involucre 3-5-bracteate : awns slightly dilated at bases. (Forms 

 of P. elongata may be looked for here.) 



P. fasciculiflora, DC. Stems erect from a slightly sufFruticose base, 

 smooth, 3 to 5 dm. high, branching mostly toward the summit : leaves 

 linear-oblaiiceolate, obtuse or acute, sometimes mucronate, the largest 3^ 

 cm. long, 6 mm. wide, faintly pellucid-punctate, entire, or closely serru- 

 late, with 1 to 5 pairs of sette toward the bases, or the lowest leaves 

 rarely naked: heads crowded on short branches in the axils of the reduced 

 floral leaves : involucre 4 to 6 mm. high, 8-1 2-flowered ; bracts linear, 

 acuminate, keeled below the middle: rays oblong, 3 mm. long : pappus 

 1 to 3 very slender awns 4 or 5 mm. long, with or without a shallow 

 irregular squamellose cup at the base : akenes minutely setulose or gla- 

 brate, half as long as the pappus. — Prodr. v. 100. — Southwestern 

 Mexico, first collected by Ha^nke. Guerrero, San Marcos (Nelson, 

 no. 2268). A little known species apparently well represented by Mr. 

 Nelson's plant. 



P. fasciculata, Poir. With the habit of the former: the leaves 

 " ovales, lanceolees, elargies " : the involucral bracts oblong, obtuse, and 

 the pappus '• une membrane qui supporte lateralement deux filets soyeux." 



— Diet. V. 120. — A plant, judging from the description, very near if not 

 quite P. fasciculiflora, though placed by De Candolle in P. prostrafa. 



P. Berlandieri, DC. A low annual, 1 or 2 dm. high, of bushy 

 habit, with many angulate smooth or minutely puberulent ascending 



