134 CARYOPHYLLACEAE. 



1. Lychnis Drummondii (Hook.) S. Wats. On dry hills and plains from 

 Man. to B. C, N. M. and Ariz. Alt. 4000-10,000 ft. Sangre de Cristo Creek ; 

 Middle Park; Ironton Park, 9 miles south of Ouray; hills about Box Canon, 

 west of Ouray ; Marshall Pass ; Georgetown ; Yampa ; mountains between 

 Sunshine and Ward; Trapper's Lake; South Park; Empire; vicinity of 

 Como; Leroux Creek, Delta Co. 



2. Lychnis striata Rydb. On hillsides from Wyo. to Utah and Colo. Alt. 

 8000-10,000 ft. Cameron Pass; Silver Plume. 



3. Lychnis montana S. Wats. Mountains of Colo, and Wyo. " Colorado " ; 

 exact locality not given. 



3. VACCARIA Medic. COW-HERB. 



i. Vaccaria Vaccaria (L.) Britton. (Saponaria Vaccaria L.) In waste 

 places from Ont. to Alaska, Fla. and Calif. Naturalized from Europe. Alt. 

 5000-8000 ft. Cucharas Valley; Wahatoya Creek; Pagosa Springs; Boulder; 

 Ft. Collins; Pueblo. 



Order 25. RANALES. 



Stamens numerous ; anther-sacs opening by slits. 

 Gynoecium of single or several free carpels. 



Submerged water plants with minute axillary sessile monoecious flowers ; 



anthers with horn-like appendages. 53. CERATOPHYLLACEAE. 



Land plants or rarely water plants with perfect or rarely dioecious flowers ; 



anthers not with horn-like appendages. 54. RANUNCULACEAE. 



Gynoecium of several united carpels ; water plants with floating, reniform or 



orbicular-cordate leaf-blades. 55. NYMPHAEACEAE. 



Stamens definite (in ours 6) ; anther-sacs opening by hinged valves. 



56. BERBERIDACEAE. 



Family 53. CERATOPHYLLACEAE. A Gray. 

 i. CERATOPHYLLUM L. 



i. Ceratophyllum demersum L. In water from Newf. and Ore. to Fla. and 

 Calif. Platte River. 



Family 54. RANUNCULACEAE Juss. CROWFOOT FAMILY. 



Carpels with several ovules ; fruit a follicle or a berry. 

 Flowers regular. 



Petals inconspicuous or none, not spurred. 



Fruit follicles ; leaves simple ; flowers solitary. 



Petals wanting; leaf-blades entire or toothed. i. CALTHA. 



Petals present, small, linear, clawed ; leaf-blades palmately parted and 



toothed. 2. TROLLIUS. 



Fruit a berry ; leaves twice or thrice ternately compound ; flowers racemose. 



3. ACTAEA. 

 Petals conspicuous, produced into a spur or at least saccate at the base ; 



leaves ternately compound. 4. AQUILEGIA. 



Flowers irregular. 



Posterior sepal spurred. 5. DELPHINIUM. 



Posterior sepal hooded, helmet-shaped or boat-shaped. 6. ACONITUM. 



