RHINANTHACEAE. 305 



Calyx almost equally 4-cleft ; upper lip of the corolla slightly 

 if at all longer than the 1-3 saccate lower one which is 

 minutely or obsoletely toothed. 14. ORTHOCARPUS. 



Calyx 2-phyllous, i. e., cleft to the base on the sides, or, by 



absence of the lower part, i-phyllous. 15. ADENOSTEGIA. 



Anther-cells alike, parallel ; leaves mostly opposite. 



Calyx split below, or below and above, not inflated ; capsule ovoid 



or oblong, oblique. 



Galea prolonged into a filiform recurved beak ; throat with a 



tooth on each side. 16. ELEPHANTELLA. 



Galea not prolonged into a beak or this not filiform, straight 



or incurved; throat without teeth. 17. PEDICULARIS. 



Calyx 4-toothed, inflated and veiny in fruit ; capsule orbicular. 



18. RHINANTHUS. 



i. VERBASCUM L. MULLEN. 



Plant densely woolly; flowers in dense spikes. i. V. Thapsus. 



Plant glabrous or sparingly glandular; flowers racemose. 2. V. Blattaria. 



1. Verbascum Thapsus L. In waste places and cultivated ground from 

 N. S. and B. C. to Fla. and Calif.; naturalized from Europe. Alt. 5000-6000 

 ft. Boulder; 12 miles above mouth of Leroux Creek. 



2. Verbascum Blattaria L. In waste places from Que. and B. C. to Fla. 

 and Calif.; naturalized from Europe. Boulder. 



2. LINARIA Mill. BUTTER-AND-EGGS, TOAD-FLAX. 



Corolla blue or white, 12 mm. long or less. i. L. canadensis. 



Corolla yellow, 2-3 cm. long. 2. L. Linaria. 



1. Linaria canadensis (L.) Dum. In dry soil from N. S. and Wash, to 

 Fla. and Calif. Alt. 4000-8000 ft Boulder; Table Rock; Loveland; Spring 

 Cafion. 



2. Linaria Linaria (L.) Karst. (L. vulgaris Mill.) In waste places and 

 fields from Newf. and Man. to Va. and Colo. ; naturalized from Europe. 

 Gunnison ; North Platte. 



3. COLLINSIA Nutt. BLUE-EYED- MARY. 



i. Collinsia parviflora Dougl. On shaded hillsides from Ont. and B. C. to 

 Ariz, and Calif. Alt 5000-9000 ft. Foothills, Larimer Co. ; Veta Mountain ; 

 west of Ft Collins ; near Golden ; Chicken Creek, West La Plata Mountains ; 

 Ward; Cimarron; North Boulder Peak; Palmer Lake; Rist Canon; vicinity 

 of Horsetooth; Beaver Creek; Trail Creek; Horsetooth Gulch; hills west of 

 Soldier Canon ; Boulder. 



4. SCROPHULARIA L. FIG-WORT, HEAL-ALL. 



i. Scrophularia occidentalis (Rydb.) Bickn. In woods and among bushes 

 from N. D. and Wash, to Ind. Terr, and Calif. Alt. 4000-10,000 ft. George- 

 town; South Cheyenne Canon; Turkey Creek and tributaries; near Parrott, 

 La Plata Mountains; Cache la Poudre; Baxter's ranch; Moon's ranch; 

 Horsetooth Gulch; Pennock's mountain ranch; Rist Canon; gulch west of 

 Soldier Canon; Trail Creek; Boulder. 

 20 



