ROSACEAE 
En rpals as n of 1-5 dehiscent follicles. 
arpels 
s many 25 the sepals and alternate with them, or fewer: 
eciduou 
Gus 1-5, if more 
oe pyriform, 
present. 
Carpels usually 5, distinct: seeds dull, dur 
ar to linear-lanceolate, the co at thin 
endo sperm wantin 
ae opposite to the sepals: 
rsistent. 
Fruit Concio s of indehiscent achenes em A 
Carpels not enclosed in a fleshy hypan 
"Fruits consisting of de ac Nene 
Ovules 2, one above the other: achenes 
more or less flattened, usually 1-seeded, 
borne in a single whor 
Ovules, and seeds, Solitares achenes usually 
a borne in a spiral. 
than one, more or less 
the coat bony: endosperm 
stipules present, 
or in 
throat nor osely investing the 
Style not articulated to the ovary ; 
hypanthium more or ius urceo- 
late, contracted at t mouth. 
Style oo basal: T R 
cym hypanthium loosely 
aveg the "achenos. 
Style terminal : inflorescence 
SE racemos or panicu- 
i hypanthium closely 
esting the achen 
seeds inserted at the proxi xin end of the 
, that is, perfectly basal: rad- 
icle inferior 
Style Belly decidi uous 
Style partly or wholly persistent, 
Fruits as d or less fleshy drupelets: ovules 
coll 
Carpels at least as many as the sepals, usu- 
ally numerous : eorolla present at least in 
the staminiferous flower rs, the petals 
white to pu 
rpie 
iy fewer than the sepals: corolla want- 
ng or if present the petals yellow. 
Carpels enclosed in the hypanthium which becomes 
fleshy in fruit 
united below: 
Tribe 
Tribe 
Tribe 
I. NEI 
Sea e with alternate leaves, with Gnd. ud usually lobed 
II. SPIRA 
PR BOUE on the edge of the hy num: p perfect : 
S or undershrubs: leaf-blades simple. 
Stamens Borne on the inside of the hypanthium: E dioe- 
cious: tall herbs: leaf-blades twice or thrice c 
III. Son 
Perennial herbs with rootstocks: leaves cid a e ie blades. 
ULMARIEAE 
D oa herbs with rootstocks : leaf-blades pinnatifid and in- 
V. POTENTILLEAE 
Style terminal or nearly so, D: lateral. 
Style terminal or nearly s 
Style on 
arged receptacle. 
chenes glabrous, borne on the surface of an en- 
605 
stipules none 
seeds shining, 
I. NEILLIEAE. 
II. SPIRAEAE. 
III. SORBARIEAE. 
Tribe. IV. ULMARIEAE. 
Tribe V. POTENTILLEAE. 
Tribe VI. ALCHEMILLEAE. 
Tribe VII. SANGUISORBEAE. 
Tribe VIII. COLURIEAE. 
Tribe IX. DRYADEAE. 
Tribe X. RUBEAE. 
Trine XI. KERRIEAE. 
Tribe XII. ROSEAE. 
1. OPULASTER. 
2. SPIRAEAE. 
ound. 3. ARUNCUS. 
4. PORTERANTHUS. 
5. FILIPENDULA. 
6. POTENTILLA. 
