WOOTON AND STANDLEY FLORA OF NEW MEXICO. 603 



2. Plantago argyrea Morris, Bull. Torrey Club 27: 111. 1900. 

 Type locality: Castle Creek, Arizona. 



Range: Arizona and New Mexico. 



New Mexico: Tunitcha Mountains; Middle Fork of the Gila; Ramah. Mountains 

 and low hills, in the Upper Sonoran and Transition zones. 



3. Plantago lanceolata L. Sp. PI. 113. 1753. English ribgrass. 

 Type locality: "Habitat in Europae campis sterilibus." 



New Mexico: Farmington; Mesilla Valley; Lake Valley. 



A native of Europe, widely introduced into North America. It grows in New 

 Mexico chiefly in alfalfa fields, where it spreads rapidly. 



4. Plantago major L. Sp. PI. 112. 1753. Common plantain. 

 Type locality: "Habitat in Europa ad vias." 



Range: Nearly cosmopolitan; a common weed throughout the United States. 

 New Mexico: Nearly throughout the State. 



Our plants are very variable in their pubescence; in some it is appressed, in others 

 spreading, and in some nearly wanting. 



5. Plantago eriopoda Torr. Ann. Lye. N. Y. 2: 237. 1827. 

 Plantago retrorsa Greene, PI. Baker. 3: 32. 1901. 



Type locality: "Depressed and moist situations along the Platte." 

 Range: British America to Nevada and northern New Mexico. 

 New Mexico: North of Ramah (Wooton). Transition Zone. 



6. Plantago tweedyi A. Gray, Syn. Fl. 2^: 390. 1878. 



Type locality: "N. W. Wyoming, on grassy slopes of the East Fork of the Yellow- 

 stone River." 



Range: Montana to Utah and northern New Mexico. 



New Mexico: Pecos Baldy (Standley 4329). Meadows in the mountains, in the 

 Arctic-Alpine Zone. 



Order 47. RUBIALES. 



KEY TO THE FAMILIES. 



Stamens twice as many as the corolla lobes; low 



herbs with ternately dissected leaves 136. ADOXACEAE (p. 612). 



Stamens as many as the corolla lobes; herbs or 

 shrubs with simple or pinnate leaves. 

 Leaves with stipules, these often leaflike, 

 adnate to the stems between the leaf 



bases 134. RUBIACEAE (p. 603). 



Leaves without stipules, or, if present, these 



adnate to the petioles 135. CAPRIFOLIACEAE (p. 608). 



134. RUBIACEAE. Madder Family. 



Low herbs or sometimes shrubs, annuals or usually perennials, with opposite or 

 whorled simple leaves, and mostly small flowers in axillary or terminal cymes or 

 panicles; flowers perfect or polygamous, regular or nearly so; hypanthium adnate to 

 the ovary; sepals deciduous or persistent; corolla inserted near the top of the hypan- 

 thium, of 3 to 6, rarely 10, more or less united petals; stamens as many as the lobes 

 of the corolla and alternate with them, adnate to the tube; ovary partly inferior, 

 2 to 5-celled, the styles united, the stigmas 2 to several; fruit a drupe, a capsule, or a 

 beriy; seeds 1 to several, sometimes flattened on one side. 



