GREENMAN. — GENUS GALIUM. 463 
++ ++ Flowers perfect or polygamo-monecious, purplish. 
13. G. Rothrockii, Gray. Stems several from a woody base, 
profusely branched, hirtellous-pubescent below and on the young shoots, 
glabrous above, rarely glabrous throughout!: leaves linear, 0.6 to 1.5 cm. 
long, rather rigid, acute or short-acuminate, subpungent-tipped, glabrous 
or somewhat hirtellous: lobes of corolla acuminate: fruit rather spar- 
ingly hirsute. — Proc. Am, Acad. xvii. 203 (excluding Rusby’s plant), 
& Syn. Fl. N. Avi. pt. 2, 39. — Arizona, Rothrock, no. 675, Lemmon, nos. 
526, 3010, 2718 ; Lower California, Orcutt, no. 912 ; Sonora, Wright, no. 
1113 in part; Chihuahua, Pringle, no. 661. 
14. G. Wrightii, Gray. Hirsute-pubescent throughout: stems 
about 3 dm. high, rising from a woody base, profusely branched above : 
leaves linear to linear-oblong, 0.5 to 1.5 em. long, 1 to 3 mm. broad, 
obtusish to mucronate-acuminate : corolla brownish purple ; lobes mucron- 
ate-acuminate: fruit more densely hirsute than in the preceding species. — 
Pl. Wright. i. 80, ii. 67 in part, & Syn. Fl. N. A. i. pt. 2, 39.— Arizona, 
Apache Pass, Lemmon, no. 615, near Fort Huachuca, nos. 2902, 3011-2; 
New Mexico, Wright, nos. 421, 235 (type) ; Sonora, Wright, no. 1113 in 
part, 
Var. latifolium, Ros. & Fern. Much less pubescent than in the 
species proper: leaves linear-oblong to elliptic-oblong, slightly narrowed 
toward the base, 0.5 to 1.5 cm. long, 1 to 5 mm. broad. — Proc. Am. 
Acad. xxx. 116, — Sonora, Hartman, no. 58. 
* * Leaves linear-lanceolate to ovate-acuminate, lateral nerves absent. 
- 15. G, Stellatum, KreLtoee. Suffruticose, 2 to 6 dm. high: stems 
covered with a light gray or yellowish bark; branchlets hirtellous 
or hispidulous: leaves rather rigid, 0.5 to 1.5 em. long, 1 to 5 mm. 
broad, usually attenuate-acuminate, sometimes ovate, merely acute: 
Owers white: fruit densely pilose-hirsute; hairs in length exceeding the 
diameter of the fruit. — Proc. Cal. Acad. ii. 97, f.26; Gray, Syn. FI. N. A. 
1. pt.2,40. @ acutissimum, Gray, Proc. Am. Acad. vii. 850, not of East- 
wood, Proc. Cal. Acad. vi. 292 (1896). —“ Between the Rio del Norte 
and New Mexico,” Dr. Newberry ; Southern Utah, Santa Clara, Palmer, 
no. 86; Arizona, Camp Grant, 27 April, 1867, Palmer, no. 105, rocky 
cafions of the Santa Catalina Mts., altitude 770 to 1085 m., 19 April, 
1881, P, ringle, Santa Cruz, Parish, no. 76, Wickenburg, Palmer, no. 
616; Southern California, Parish, nos. 1724, 2381, Colorado Desert, 
San Diego Co., Oreutt (without number), Panamint Mountains, Coville 
. Funston, no. 715; Lower California, Los Angeles Bay, Gulf of Cali- 
fornia, November, 1887, Palmer, nos, 525, 525}, 526. 
