Jan., 1915.] The Roses of Ohio. 427 



10. Rubus odoratus L. Rcse-flowered Raspberry. Shrubby 

 covered with glandular hairs; leaves simple, 3-5-lobed; peduncles 

 many-flowered; flowers purple-red; fruit red, not edible. Ashta- 

 bula, vStimmit, Jefferson, Belmont, Cuyahoga, Monroe, Mus- 

 kingum, Lake. 



10. Porteranthus. 



Perennial herbs; leaves nearly sessile, stipulate, 3-foliate; 

 flowers white or pink, in loose terminal panicles; calyx cylindric, 

 5-toothed; petals 5, lance-linear; stamens 10-20; carpels 5, oppo- 

 site the calyx lobes ; follicles 2— 1-seeded. 



1. Stipules narrow, usually entire. P. trifoliatiis. (1). 



1. Stipules broad, foliaceous, incised. P. stipulatus. (2). 



1. Porteranthus trifoliatus (L.) Britt. Indian-physic. Erect, 

 branching herbs, 2-4 ft. high, usually glabrous though sometimes 

 pubescent; leaves with narrow entire stipules; leaflets ovate or 

 lanceolate, acuminate, serrate, 2-3 in. long; flowers few, in panicles, 

 pink or white; follicles pubescent. No specimens. 



2. Porteranthus stipulatus (Muhl.) Britt. American Ipecac. 

 Less pubescent than the above species; stipules broad, foliaceous, 

 sharply serrate; leaves usually narrower than in the above; 

 follicles usually glabrous. Ross, Gallia, Pike, Clinton, Muskingum 

 Adams, Guernsey, Belmont. 



11. Schizonotus. 



Shrubs with pinnately divided leaves; flowers in terminal 

 panicles; calyx campanulate, 5-parted; petals 5, white; stamens 

 numerous, carpels 5, united at the base. 



1. Schizonotus sorbifolius (L.) Lindl. Mountain-ash Spiraea. 

 An erect shrub, pubescent when young; leaves 3-12 in. long, 

 13-21-parted; leaflets lanceolate acuininate, doubly serrate; 

 panicle large, white. Harrison, Lake. 



12. Filipendula. 



Tall perennial herbs with pinnately divided leaves; flowers 

 small, borne in large cymose panicles; sepals and petals 5; stamens 

 numerous on a flat or slightly concave receptacle; carpels 5-15; 

 fruit resembling a follicle, indehiscent. 



1. Filipendula rubra (Hill.) Rob. Queen-of-the-prairie. Stem 

 tall, often more than S feet, branched, leaves pinnately 3-7 

 foliate; leaflets lighter green beneath, irregularly serrate; temiinal 

 leaflet palinately 7-9-parted; flower % in. broad. Champaign, 

 Madison, Erie, Cuvahoga, Holmes 



