424 The Ohio Naturalist. [Vol. XV, No. 3, 



1. Comarum palustre L. Purple Marshlocks. Plants 1-1 >^ 

 ft. high; leaves pinnate, 5-7-foliate; leaflets oblong or oblanceolate, 

 sharply serrate above the middle, narrowing at the base ^-3 in. 

 long; stipules large, usually membranous; flowers large, }4~H in. 

 broad, purple. Lorain, Summit, Ashland, Portage, Licking, 

 Stark, Ashtabula. 



6. Drymocallis. 



Erect herbs with more or less glandular or viscid stems and 

 pinnate leaves; calyx 5-practeolate ; sepals and petals 5; stamens 

 20-30 in number in 5 festoons on a thick glandular disk; style 

 nearly basal. 



1. Drymocallis agrimonioides (Pursh) Rydb. TaU Cinque- 

 foil. Erect, stout herb, 1-3 ft. high; leaflets oval or ovate, sharply 

 incised-serrate, terminal one cuneate, the others rounded at the 

 base; flowers white, cymose. Cuyahoga, Erie, Lake. 



7. Waldsteinia. 



Perennial herbs resembling strawberries, with 3-parted leaves 

 and yellow corymbose flowers; sepals, petals and bractlets 5; 

 stamens many, inserted on the throat of the hypanthium; carpels 

 usually 2-(5 on a short, villous receptacle, style deciduous, 

 terminal. 



1. Waldsteinia fragarioides (Mx.) Tratt. Dry Strawberry. 

 Low herb with creeping rootstalk; leaflets obovate, broadly 

 cuneate, crenate, sometimes incised, }4-iy^ in. long; flowers 

 yellow, |-f in. broad. Cuyahoga, Clarke, Franklin, Ashtabula, 

 Greene, Medina, Portage. 



8. Fragaria. Strawberry. 



Perennial herbs with runners, three-parted leaves, and mem- 

 branous sheathing stipules; flowers white, corymbose or racemose, 

 pedicels often recurved; calyx 5-bracteolate ; petals 5; stamens 

 many; carpels indefinite; leaflets obovate, cuneate, serrate; fruit 

 consisting of a fleshy receptacle in which are inserted the achenes, 

 seed ascending, amphitropous. 



1. Achenes in pits of the pulpy receptacle; inflorescence unilelliform or 

 a flattish topped cyme, with subequal primary branches; sepals 

 lanceolate, appres.sed abotit the fruit; hairs spreading or sub-appressed 

 on scape and petiole. F. virginiana. (3). 



1. Achenes superficial; inflorescence irregular, the primary 1 rarches of 



the cyme being distinctly unecjual; sepals loosely spreading cr reflexed, 

 shorter than the early exposed fruit; hairs appres.sed on the petiole, 

 .spreading on the scape. 2. 



2. Plants slender; fruit conical or subcylindric-ovoid. red. Fjuiicriiana. (1). 

 2. Plants stoutish; fruit ovoid-conic or sul globose, white in cur form. 



F. vesca. (2). 



