ROSACES. 96 



email laciniate leaves near the middle. Radical leaves numerous. Flowers at 

 first nodding. Calyx purple. Petals yellowish white. Three-flowered Avens. 



6. G. Peckii : somewhat hairy ; stem paniculately branched above, 

 several-flowered, scarcely leafy; radical leaves lyrate-pinnate ; the terminal 

 leafet very large, roundish reniform, somewhat truncate at base ; lateral 

 ones minute ; petals obovate-roundish, twice as long as the ovate-triangular 

 segments of the calyx. Sieversia Peckii R. Drown. 



White Mountains. N. H. Prof. Peck. July, Aug. 1\.. Stem a foot or more 

 high, with 3 or 4 small sessile incised leaves. Flowers terminal and solitary at 

 the end of each branch or peduncle, yellow, middle-sized. Peck's Avens. 



5. COMAROPSIS. Rich. Dry Strawberry. 



(From the Greek, Kopapos, the ancient name of a strawberry, and oifsis, appear- 

 ance ; on account of its resemblance to the strawberry.) 



Calyx with the tube turbinate, the limb 5-cleft, not bracted. 

 Petals 5, without claws. Stamens numerous. Capsule small, 

 with an elongated filiform style at the apex. Achenia 2 6, 

 dry, not united at base. 



C. fragarioides D. C. : leaves radical, terhate ; leafets broad wedgeform, 

 toothed and incised; scapes 3 5-flowered ; petals much larger than the 

 segments of the calyx ; carpels hairy. Dalibarda fragarioides Mick. 

 Pursh. Waldsteinia fragarioides Torr. $ Gr. 



Shady woods. Can. to Geor. May. %. Root creeping. Scape 3 4 inches 

 high, with a small leafy bract below the middle. Leaves on long petioles. 

 Flowers yellow. Dry Strawberry. 



6. RUBUS. Linn. Raspberry and Blackberry. 

 (Said to be from the Latin ruber, red.) 



Calyx concave or flattish at base, naked, 5-parted. Petals 

 5, deciduous. Stamens numerous, inserted into the border of 

 the disk. Berry composed of many pulpy carpels aggregated 

 on a spongy receptacle, persistent or deciduous. 



1. Berry concave beneath and falling away f ram the dry receptacle when 

 ripe. (Raspberry.) 



* Leaves simple. 



1. R. odoratus Linn. : hispid with glandular hairs ; stem erect, branched ; 

 leaves large, 3 5-lobed ; the lobes acute or acuminate, unequally serrate ; 

 peduncles many-flowered, compound ; sepals long, acuminate, shorter than 

 the obovate-roundish petals. 



Rocky places. Can. to Geor. June. Tj. Stem 3 4 feet high. Flowers 

 large, purple. Fruit broad and flat, yellowish or red when ripe, scanty, but 

 well-flavored. It is often abortive. Flowering Raspberry. 



2. R. Chamamorus Linn.: dioecious; stem creeping at base, simple, 1- 

 flowered, somewhat pubescent, unarmed ; leaves cordate-reniform, plicate, 

 5-lobed, serrate, the lobes rounded ; sepals ovate, obtvyse, shorter than the 

 spreading obovate petals. 



