WOOTON AND STANDLEY FLOEA OF NEW MEXICO. 595 



very irregular, the tube slender, the limb 2-lipped, the upper lip little if at all longer 

 than the o-lobed lower one; stamens 4, ascending under the upper lip; anther sacs dis- 

 similar, the outer fixed by the middle, the other pendulous by its upper end; style 

 filiform, the stigma entire; capsules oblong, many-seeded. 



KEY TO THE SPECIES. 



Corolla yellow; spikes densely flowered 1. 0. luteus. 



Corolla purple and white; spikes lax 2. 0. purpureo-albus. 



1. Orthocarpus luteus Nutt. Gen. PI. 2: 57. 1818. 



Type locality: "In humid situations on the plains of the Missouri, near Fort Man- 

 dan." 



Range: Washington and Saskatchewan to Nevada and New Mexico. 



New Mexico: Raton; mountains west of Grants Station; Chama; Taos; Johnsons 

 Mesa; Pajarito Park; Santa Fe and Las Vegas mountains; Mogollon Mountains. Plains 

 and hillsides, in the Upper Sonoran and Transition zones. 



2. Orthocarpus purpureo-albus A. Gray in King, Geol. Expl. 40th Par. 5: 458. 



1871. 



Type locality: "New Mexico." 



Range: Utah and Colorado to Arizona and New Mexico. 



New Mexico: Tunitcha Mountains; Dulce; mountains west of Grants; CooLidge; 

 Ramah; Datil Mountains; Mogollon Mountains; Silver City; Rito de los Frijoles. Dry 

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



20. RHINANTHUS L. Yellow rattle. 



Erect annual about 30 cm. high, with simple opposite leaves and yellow axillary 

 flowers crowded in a bracted terminal spike; calyx ventricose-compressed, 4-toothed, 

 inflated in fruit; corolla tube cyLindric, the upper lip galeate, ovate, obtuse, com- 

 pressed, entire at the apex, with a minute tooth on each side; lower lip shorter, with 

 3 spreading lobes; capsules orbicular, compressed, the seeds suborbicular, winged. 



1. Bhinanthus crista-galli L. Sp. PI. 603. 1753. 



Type locality: "Habitat in Europae pratis." 



Range: British America to New Mexico and New York; also in Europe and Asia. 



New Mexico: Rio Pueblo; Bartlett Ranch; Brazos Canyon. Woods, in the Tran- 

 sition Zone. 



21. ELEPHANTELLA Rydb. Little red elephant. 



Similar in general appearance to the next genus, but distinguished by having the 

 galea prolonged into a filiform recurved beak, and by the presence of teeth on each 

 side of the throat of the corolla. 



1. ElephanteUa groenlandica (Retz.) Rydb. Mem. N. Y. Bot. Gard. 1: 363. 1900. 



Pedicularis groenlandica Retz. Fl. Scand. Prodr. ed. 2. 145. 1795. 



Type locality: Greenland. 



Range: Greenland and British America to CaUfoiTua and New Mexico. 



New Mexico: Santa Fe and Las Vegas mountains. Bogs, Candian to the Arctic- 

 Alpine Zone. 



22. PEDICULARIS L. Lousewort. 



Perennial herbs, mostly low, a^metimes as much as a meter high, with opposite or 

 alternate leaves and terminal crowded spikes or racemes of rather conspicuous flowers; 

 leaves more or less dissected; calyx of 5 mostly united sepals, sometimes cleft on the 

 lower or upper side; corolla of /arious colors, strongly 2-lipped, the upper lip concave 

 or condupUcate, laterally flattened, the lower erect or spreading; stamens 4, of 2 



