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, t. 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. — 

 Gtmnison; 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 Cafion ; vicinity 

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

 Soldier Cafion ; 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 Cafion ; gulch west of 

 Soldier Cafion; Trail Creek; Boulder. 

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