GREENMAN. — GENUS GALIUM. 465 
ledges on mountains near Chihuahua, 25 October, 1886, Pringle, no. 741, 
distributed as G. uncinulatum, DC., var. obstipum, Watson. 
§ 8. Fruit smooth and glabrous, dry, subcarneous or distinctly baccate. 
* Herbaceous, nearly or quite glabrous plants: leaves usually in fours, occasion- 
ly in fives, sixes, or in whorls of seven. 
+ Leaves linear-oblong to spatulate-oblong, obtuse: fruit dry. 
G. BRANDEGEI, Gray. Low herbs: stems 0.5 to 1.5 dm. high, usu- 
ally matted or cespitose-depressed, glabrous or minutely hispidulous on 
the angles: leaves 5 to 10 mm. long, 2 to 3 mm. broad, glabrous or 
slightly hispidalous on the margins and midrib beneath: flowers axillary, 
solitary or in pairs: pedicels in fruit usually less than 1 cm. in length. 
—Proe. Am. Acad. xii. 58, & Syn. Fl. N. A. i. pt. 2,38. G@. Brandegeei, 
Wiegand, Bull. Torr. Bot. Club, xxiv. 398. — New Mexico, Valley of 
the Rio Grande, Brandegee (type); extending northward, according to 
Wiegand, to Saskatchawan. No Mexican specimens of this species have 
been seen by the writer, although the plant very probably occurs along 
the northern boundary. 
9. G. trifidum, L., var. subbiflorum, WieGanp. Stems weak, 
ascending, usually much branched, nearly glabrous: leaves 5 to 15 mm. 
long, about 2 mm. broad, obtuse or slightly rounded at the apex, slightly 
hispidulous on the margins. — Bull. Torr. Bot. Club, xxiv. 399. — 
eral District, Valley of Mexico, Pringle, nos. 6785, 7208. 
7 difficult of separation, and perhaps not distinct from G. Claytoni, 
~*~ Leaves (nearly 4 cm. in length) oblong or obovate, cuspidate or aristate : 
fruit subcarneous. 
20. G. glaberrimum, Hemst. Glabrous throughout, glaucous ; 
branches Striate: leaves in whorls of seven (or the uppermost opposite), 
sessile, membranous, cuneate: flowers minute, disposed in a loose cyme ; 
Pedicels slender: fruit naked, somewhat fleshy. — Diag. Pl. Nov. pars 
any p- 53, & Biol. Cent.-Am. Bot. ii. 64. — Mexico, Liebmann, no. 
“ + + Leaves (1.5 cm. or less in length) linear-oblong to elliptic-oblong, cus- 
Pidate-acuminate: fruit subcarneous or distinctly baccate. 
™ Inflorescence terminating the stems and branches in few-flowered cymes: 
fruit subcarneous. 
21. G, Galeottianum, War. Perennial nearly glabrous through- 
out, slightly hispid on the stems below: stems slender, reclining or 
nding, 3 to 15 dm. long: leaves in fours, linear-oblong to oblong- 
- Vou, 
