T6 PRIMULACKa. 



PRIMDLACE^. 



tieares all radioal: nodding flowers on a naked scape in a bracteate umbel 1 



LeaTes radical or crowded on tnfted stems, cuneate-spatnlate, 6-7-toothed at apex. ... 2 



Leaves in a whorl at top of stem, bracts below: corolla rotate, rose to white 8 



/Leaves all or mostly opposite: flowers axillary. 



Flowers small, yellowish, in close clusters; corolla rotate 4 



apetalons, solitary, pnrplish or white 6 



solitary: corolla rotate on slender pedicel , 6 



Leaves all or mostly alternate: flowers solitary, minnte 7 



Sowers in paniculate racemes, very smalL 8 



1. DODECATHEON, Linnaeus. 



* Short JilamenU united to form toith the closely connivent anthers a darJi colored beak tur- 



mountiuff the short corolla tube. 



Capsule obtuse, splitting at or from the apex into valves. 



Leaves from narrowly to broadly spatulate: capsule oblong or longer ., 1 



Leaves obovate or oval, short, base ouneate: capsule globular 2 



Capsule cylindraceons; apex not splitting, but coming off as a lid 3 



• * Short distinct Jilamenta included in the corolla throat, only the anthers exaerted: leaves 



oval or ovate to oblong, not tapering at base 4 



1. D. Jeflfreyi, Moore. Often very large: capsule exceeding calyx. 



2. D. eUipticani, Nutt. Leaves ^ to 2 inches long: calyx minutely glandular. 



3. C Hendersomi, Gr. Like the last except the thin-walled exserted capsule. 



4. H. frigidiiTn, 0, & 8. yar. dentatnm. Leaves commonly repand or dentate. 



Z. FBIM1TLA, LinniBus. 

 L P. suffimtescens, Gr. Scape 2 to 4 inches long: umbel of several red-pnrple 

 flowers. 



3. TRIENTALIS, Linnmus. 

 1. X. £uropssa, L. Flowers on slender pedicels among the leaves. Our plants arej 

 Var. latifolia, Torr., with leaves mostly acute, J to 4 inches long, and 

 Var. arctica, Ledeb., with obtuse or retuse leaves an inch long or less. 



4. liTSIMACHLa., Tournefort. 

 L Xi. tbyTBiflora, L. Leaves lanceolate: small teeth between corolla lobea. 



5, GliAUX, Tournefort. 

 1. Ot. maritima, L. Succulent, pale green, 3 or 4 inches high, leafy. 



