120 ROSACEA. (rose family.) 



2. F. vesca, L. Achenia superficial on tlie 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. DALIBABDA, L. Dalibarda. 



Calyx deeply 5 - 6-partcd, 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. Flowers 1-2, white, on scape-like peduncles. (Named in 

 honor of Dalibard, a French botanist.) 



1. S>. repcilS, 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 recej)tacle when 

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

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

 1. R. odoratus, L. (Purple Flowering-Raspberry.) Stem shrub- 

 by (3° -5° high) ; In-anches, stalks, and calyx bristly icith glandular clammy hairs; 

 leaves 3 - 5-lobed, 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. NsstlifsBiMS, Moc;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. ChamsemdrUS, L. (Cloud-berry.) Herbaceous, low, dioecious ; 

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

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

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

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



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

 ■*- Stems annual, herbaceous, not prickly : fruit of few separate grains, 

 4. R. triflOTOS, Richardson. (Dwarf Raspberry.) Stems ascending 

 (6' -12' high) or trailing; leaflets 3 (or pedately 5), rhombic-ovate or ovate- 

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



