120 ROSACE^E. (ROSE FAMILY.) 



2. 1\ VeSCa, L. Achenia superficial on the conical or hemispherical fruiting 

 receptacle (not sunk in pits). Fields and rocks, common : indigenous, especial- 

 ly northward. Leaves thin; the wild fruit often long and slender. (Eu.) 



13. DAL.IBARDA, L. DALIBARDA. 



Calyx deeply 5 - 6-parted, 3 of the divisions larger and toothed. Petals 5, 

 sessile, deciduous. Stamens many. Ovaries 5-10, becoming nearly dry seed- 

 like drupes : styles terminal, deciduous. Low perennials, with creeping and 

 densely tufted stems or rootstocks, and roundish-heart-shaped crenate leaves on 

 slender petioles. Flpwers 1-2, white, on scape-like peduncles. (Named in 

 honor of Dalibard, a French botanist.) 



1. I>. repeilS, L. Downy; sepals spreading in the flower, converging 

 and enclosing the fruit. Wooded banks; common northward. June -Aug. 



Leaves much like those of a stemless Violet. 



14. RUB US, L. BRAMBLE. 



Calyx 5-parted, without bractlets. Petals 5, deciduous. Stamens numerous. 

 Achenia usually many, collected on a spongy or succulent receptacle, becoming 

 small drupes: styles nearly terminal. Perennial herbs, or somewhat shrubby 

 plants, with white (rarely reddish) flowers, and edible fruit. (Name from the 

 Celtic rub, red.) 



1. Fruit, or collective mass of drupes, falling off whole from the dry receptacle, when. 



ripe, or of few grains which fall separately. (RASPBERRY.) 

 * Leaves simple : flowers large : prickles none : fruit and receptacle flat 

 1. R. OcloratUS, L. (PURPLE FLOWERING-RASPBERRY.) Stem shrub- 

 by (3 -5 high) ; branches, stalks, and calyx bristly with glandular clammy hairs; 

 leaves 3-5-lbbed, the. lobes pointed and minutely toothed, the middle one pro- 

 longed ; peduncles many-flowered ; calyx-lobes tipped with a long narrow ap- 

 pendage ; petals rounded, purple rose-color ; fruit ripening several reddish grains. 



Rocky banks, common northward. June- Aug. Flowers showy, 2' broad. 

 2. R. Nutkaiius, Mo^ino. (WHITE FLOWERING-RASPBERRY.) 



Glandular, scarcely bristly; leaves almost equally 5-lobcd, coarsely toothed; 

 peduncles few-flowered; petals oval, white. (R. parviflorus, Nutt.) Upper 

 Michigan, and northwestward along the Lakes. Much like No. 1 ; but smaller. 



3 R. Cliamrciliorus, L. (CLOUD-BERRY.) Herbaceous, low, dioecious ; 

 stem simple, 2-3-leaved, 1 -flowered ; leaves roundish-kidney-form, somewhat 5- 

 lobed, serrate, wrinkled ; calyx-lobes pointless ; petals obovate, white ; fruit of 

 few grains, amber-color. White Mountains of New Hampshire at the limit of 

 trees : also Lubcck, Maine, and northward. (Eu.) 



# * Leaflets (pinnatcly) 3 - 5 : petals small, erect, white. 

 - Stems annual, herbaceous, not prickly : fruit of few sejKirate grains, 



4. R. triflorus, Richardson. (])WARF RASPBERRY.) Stems ascending 

 (6'- 12' high) or trailing; leaflets 3 (or pcdately ;">), rhombic-ovate or ovate- 

 lanceolate, acute at both ends, coarsely doubly serrate, thin smooth ; peduncle 



