WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 379 
KEY TO THE SPECIES. 
Leaflets linear or linear-oblong, twice as long as the petioles or more.. 1. C. longifolia. 
Leaflets oblong-ovate, about equaling the petioles.......---..------- 2. C. pulchella. 
1. Cologania longifolia A. Gray, Pl. Wright. 2: 35. 1853. 
Type Localiry: Hills near the Copper Mines, New Mexico. Type collected by 
Wright (no. 961). ° 
Ranae: New Mexico, Arizona, and adjacent Mexico. 
New Mexico: Hanover Mountain; Mogollon Mountains. Dry hills, in the Upper 
Sonoran Zone. 
2. Cologania pulchella H. B. K. Nov. Gen. & Sp. 6: 413. 1823. 
Typr Locaity: “Crescit in Regno Novae Hispaniae, prope Pazcuaro, alt. 1130 hex.” 
Rance: Western Texas to Arizona, south into Mexico. 
New Mexico: Mangas Springs; Organ Mountains; Cliff; Hondo Hill; Cactus Flat; 
Queen; Organ Mountains. Dry hillsides. 
Order 28. GERANIALES. 
KEY TO THE FAMILIES. 
Plants with secreting glands in the leaves or bark. 
Filaments united into a cup or tube, wholly 
or in part.............----++----+----79. MELIACEAE (p. 390). 
Filaments distinct nearly or quite to the 
base. 
Leaf blades punctate with oil glands. ...77. RUTACEAE (p. 388). 
Leaves not punctate.......-....--2+---- 78. SIMARUBACEAE (p. 390). 
Plants destitute of secreting glands or cells. 
Sepals bearing 1 or 2 dorsal glands.........- "6. MALPIGHIACEAE (p. 388). 
Sepals without dorsal glands. 
Styles united around a central column, 
breaking away from this at 
maturity.....-...---22.e2 eee ee eee 71. GERANIACEAE (p. 379). 
Styles distinct or permanently united. 
Styles distinct or partially united, 
the tips and the stigmas 
distinct. 
Leaves simple; stamens 5.......72. LINACEAE (p. 381). 
Leaves compound; stamens 10 
to 1D... ee ee eeeeeeeeee ee 73. OXALIDACEAE (p. 383). 
Styles and stigmas permanently 
united. 
Filaments normally appendag- 
ed; seeds straight or 
nearly s0.........--.--.-74. ZYGOPHYLLACEAE (p. 385). 
Filaments not appendaged; 
seeds strongly bent....... 75. KOEBERLINIACEAE (p. 387). 
71. GERANIACEAE. Cranesbill Family. 
Annual or perennial herbs, often glandular-pubescent, with lobed or dissected 
leaves; flowers regular, complete, symmetrically pentamerous, in few-flowered axillary 
pedunculate clusters; sepals persistent; petals mostly conspicuous; stamens of the 
same number as or 2 or 3 times the number of the petals; pistil of 5 united carpels, 
the united styles forming a persistent column; fruit a capsule, each carpel breaking 
away from the column. 
