338 Karl M. Wiegand and Arthur J. Eames 



e. Staminodia ; anthers oblong or oval ; lobes of the corolla convolute ; 

 leaves dotted. 3. Lysimachia 



e. Staminodia present ; anthers linear ; each lobe of the corolla wrapping 

 around its stamen in the bud ; leaves not dotted. 4. Steironema 



d. Flowers white, appearing terminal ; staminodia 0. 5. Trientalis 



c. Capsule transversely dehiscent; flowers axillary, scarlet or rarely white. 



6. Anagallis 

 1. Primula L. 



1. P. mistassinica Michx. Canadian Primrose. 



Damp limy shaded ledges on cliffs; rare. May 10-30. 



Fall Creek Gorge, s. side below Triphammer Falls (D. !) ; Taughannock Gorge, 

 s. side below the falls (D. !). Discovered many years ago (see Dudley's Cayuya 

 Flora), fluctuating in abundance from year to year. Found elsewhere in TST. Y. State: 

 Fish Creek, Annsville (Knieskeni & Vasey) ; deep ravine at head of Keuka Lake 

 (Sartwell) ; cliffs at Portage (Clinton); Salmon River ravine, Orwell (Rowlee). 



Newf. to Sask., southw. to Vt, N. Y., Mich., Wis., and Minn. 



2. Samolus (Tourn.) L. 



1. S. floribundus HBK. (5\ Valerandi, var. americanus, of Cayuga Fl.) Water 

 Pimpernel. Brookweed. 



Muddy places about the marshes and in alluvial fields at lake level, less commonly 

 on dripping rocks, apparently requiring lime or salt ; occasional. July. 



Lick Brook (D.) ; alluvial flats, lighthouse road, Ithaca; woods s. e. of Sherwood 

 (D.) ; limestone falls in brook s. of Goodwin (Taughannock) Point (D.) ; alluvial 

 fields, Myers Point and Big Gully Point; Paine Creek; Big Gully; Cayuga and 

 Montezuma Marshes (D. !) ; salt flats n. e. of Montezuma village;. open swamp n. e. 

 of Mud Pond, Conquest; mucky woods n. of Duck Lake; and elsewhere. 



Widespread in temperate and tropical America, mostly in saline or alkaline situa- 

 tions. 



3. Lysimachia (Tourn.) L. 



a. Flowers axillary or in terminal racemes. 



b. Plant erect; leaves lanceolate; corolla 1-1.5 cm. in diam., with dark spots or 

 streaks. 

 c. Leaves whorled; flowers axillary. 1. L. quadrifolia 



c. Leaves opposite; flowers all in a terminal raceme, with smaller bracts. 



2. L. terrestris 

 b. Plant creeping; leaves round-ovate; corolla 2-3 cm. in diam., not streaked. 



3. L. Nummularis 

 a. Flowers in dense axillary spikes. 4. L. thyrsiflora 



1. L. quadrifolia L. Yellow Loosestrife. 



On dry scrubby or wooded slopes with oak and chestnut, in sandy or gravelly non- 

 calcareous soils; frequent. June 15-July 15. 



On the hills w., s., and e. of Ithaca, along the shores of Cayuga Lake, and in the 

 sandy country n. of the lake; rare or absent in the McLean district and on the clays 

 and richer soils back from the lake shores. 



N. B. to Minn., southw. to Ga. and Mo., including the Coastal Plain. 



2. L. terrestris (L.) BSP. (L. stricta of Cayuga Fl.) Yellow Loosestrife. 

 Alluvial mucky and sandy swales and marshes, in both calcareous and noncalcareous 



regions; frequent. July. 



Newf. to Man., southw. to Ga. and Ark., including the Coastal Plain. 



A form with the leaves occasionally subverticillate, the raceme more leafy-bracted, 

 and the lower flowers in the axils of normal leaves (apparently L. producta (Gray) 



