OP THE WASATCH REGION 23 



1. M. perfollata (Donn.) Howell. (Claytonia perfoliata 

 Donn.) Stems erect or ascending-, unbranched, 3-12 inches 

 high; each bearing- 2 leaves near the summit which are more 

 or less united into a round or angulately 2-lobed rather shallow 

 cup-shaped disk. Basal leaves rhomboid-ovate, with entire 

 margins; long-petioled, but shorter than the stems. Inflores- 

 cence racemose. Pedicels short, in fruit seldom longer than 

 the calyx. Corollas white or pink. Petals and stamens 5. Cap- 

 sule globose, 2-5-seeded. Shaded places near streams in rich 

 soil. April -May. 



2. M. parviflora (Dougl.) Howell. (Claytonia parviflora 

 Dougl.) Stem more slender than that of No. 1; 3-12 inches 

 high. Basal leaves narrowly linear to spatulate, on rather 

 short petioles: stem-leaves forming a disk as in No. 1, or 

 sometimes nearly separate. Pedicels slender; in fruit 2-6 times 

 as long as -calyx. Corolla white or pink. Same habitat and 

 time of flowering as No. 1. 



3. M. depressa (A. Gray) Rydb. (M. parviflora depressa A. 

 Gray). Depressed, a few inches high. Basal leaves broadly 

 ovate or rhombic and petiolate; stem-leaves rather small and 

 usually 2-angulate. Inflorescence glomerate or subumbellate. 

 Flowers small, sessile. Corolla white or pink. Along streams 

 in moist or in rather dry places, and on rather dry hills. 

 April-June. 



ORDER RANAI.ES. 



RANUNCULACE-ffi. Buttercup or Crowfoot Family. 



Herbs with acrid juice. (Clematis is more or less 

 woody) . Leaves without stipules ; basal or alternate 

 (opposite in .Clematis). Flowers perfect or rarely 

 dioecious, all their parts free and distinct. Sepals 

 3-15. generally caducous. Petals about as many as the 

 sepals ; or wanting, in which case the sepals are usually 

 colored like a corolla. Stamens many or rarely few. 

 Carpels usually many, but solitary in some species; 

 ripening- into achenes, follicles or berries. 



Leaves alternate or basal: stem not woody; sepals 



imbricate. 

 Leaves once or more ternately-compound. 



Flowers small: petals, if present, not spurred. 



Petals none; fruit an achene 1. ThnHctrum 



Petals 3-10; fruit a berry 2. Actaea 



Flowers showy; petals spurred; fruit a fol- 

 licle 3. Aquilegla 



Leaves variously lobed or divided: not compound. 



Flowers irregular; fruit a follicle 4. Delphinium 



Flowers regular; fruit an achene. 



Plant not submerged; petals yellow. . 5. Ranunculus 



Plant submerged; petals white 6. Batrachlum 



Leaves opposite; stem somewhat woody; sepals valv- 



ate . , , , , 7. Clcmatl 



