134 CARYOPHYLLACEAE. 



I. 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. 



^. 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. 



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

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

 SOOO-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. 



1. 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. 



