GREENMAN. — GENUS GALIUM. 459 



subappressed uncinate hairs. — Collected by C. G. Pringle on shaded 

 ledges of the Sierra Madre near Monterey, State of Xuevo Leon, 9 July, 

 1898, noj 1884, distributed as " Galium uncinulatuni, DC?" 



1- -I- Flowers in terminal or lateral few -several-flowered loose cymes: uncinate 



bristles of the fruit spreading. 



6. G-. orizabense, Hemsl. An herbaceous perennial: stems 3 to 

 10 dm. or more long, erect or ascending, hirtellous-pubescent especially 

 on the angles with short recurved hairs : leaves obscurely 3-nerved, 

 linear-lanceolate or linear-oblong, O.o to 2 cm. long, 1.5 to 5 mm. wide, 

 obtuse, a little narrowed at the base, usually hirtellous-pubescent upon 

 either surface, and especially on the midrib beneath. — Diag. PI. Nov. 

 pars tertia, 54, & Biol. Cent.-Am. Bot, ii. 65. — Region of Orizaba, Sumi- 

 chrast, nos. 838, 1933; Iluller, nos. 1144, 1326; Botteri, no. 538, 



7. Or. uncinnlatum, DC. Stems slender, usually several from a 

 perennial base, nearly glabrous or pubescent with spreading or somewhat 

 reflexed hirsute hairs : leaves 3-nerved from the subpetiolate base, oblong 

 to oblong-lanceolate, mucronate, more or less hirsute upon either surface, 

 especially on the veins beneath, sometimes nearly glabrous : inflorescence 

 terminating the lateral branches in three-few-flowered cymes. — Prodr. 

 iv. 600; Hemsl. Biol. Cent.-Am. Bot. ii. 66; Wats. Proc. Am. Acad, 

 xviii. 99. G. Jalapense, Schlecht. Linntea, ix. 591. — Sonora, F. E. 

 Lloyd, no. 393; Nuevo Leon, Guajuco, Palmer, March, 1880, no. 412; 

 San Luis Potosi, Schaffner, no. 840 (a nearly smooth form) ; Valley of 

 Mexico, Schaffner, no. 179, Pn?z^/e, no. 6462 ; Orizaba, .fioi^en, nos. 188, 

 945, 1174, Midler, no. 1820, Seaton, no. 209, Siimichrast, no. 1921 ; 

 Oaxaca, vicinity of Cerro San Felipe, Nelson, no. 1103. Specimens 

 collected by Pringle, San Luis Potosi, no. 5125, and Puebla, no. 7018, 

 seem to connect with the following variety. 



Var. obstipum, Wats. Leaves usually smaller, suborbicular to 

 oblanceolate, densely hirsute-pubescent beneath. — Proc. Am, Acad, 

 xviii. 99. G. obstfpum, and varieties, Schlecht. Linnsea, ix. 592 ; 

 Hemsl. Biol. Cent.-Am. Bot. ii. 65. — Coahuila, Lerios, about 70 km. 

 east of Saltillo, July, 1880, Palmer, no. 413, by the same collector in the 

 Caracol Mts., 33 km. east of Monclova, August, 1880, no. 414; Michoa- 

 can, Patzcuaro- hills, 8 November, 1890, Pringle, no. 3597; Real del 

 Monte, Tk. Coulter, no. 185; Cliiapas. Ghiesbreght, no. 886; Guatemala, 

 Cohan, Depart. Alta Verapaz, altitude 1325 m.,von Taerckheim (Donnell 

 Smith's sets, no, 1222), 



Var. (?) nanum. Low, about 1 dm. high: stems glabrous or 

 slightly pubescent at the nodes: leaves oblanceolate, 5 to 10 mm. long. 



