142 ROSE FAMILY. 



5. GILLENIA. Herbs, with nearly white flowers and ahnost sessile leaves of 3 leaflets. 

 Calyx narrow, oblong, 5-toothed, enclosinjj the 5 pistils (which at first lightly cohere 

 in amass) and the little pods. Petals rather unequal, lance-lin<!ar. Stamens 10-20, 

 nut projecting. 



» « Ovaries /eto or many, single-ovuled, hccomiiuj dry (ikctics in fruit above the open 

 and mostly upreadiiig calyx ; stamens numerous. 



+- Pistils few, only 2-S. 



fi. KEIUtlA. Shrub, with long green branches, simple and coarsely toothed alternate 

 leaves and yellow flowers terminating the branchlets of the season. Calyx with 5 

 somewhat toothed large lobes. Petals 5. 



T. RHODOTYPOS. Shrub, with large, opposite leaves. Petals 4. Sepals large, hocoiii- 

 ing leaf-like in fruit. Akeues as large as peas, .iet-black and shining. 



8. WALDSTEINIA. Low perennial herbs, with chiefly root-leaves, either lobed or com- 



pound, and a few yellow flowers on a short scajie. Calyx with a top-shaped tube and 

 5 spreading lobes, alternate with wliich are sometimes 5 minute teeth or bractlets. 

 Petals obovate. Styles deciduous by a joint. 



■(- -(- Pistils numerous and heaped in n head ; calyx [e.rcept in one, Gciuu) augmented 

 with additional outer lobes or bractlets alternating icith the h proper lobes; leui-es 

 mostly compound. 



9. GEUM. Perennial herbs. Calyx with a bell-shaped, top-shaped, or hemispherical tube 



or cup. Akenes narrow, or tapering to the base, tipped with the long persistent 

 style, or the greater portion of it, in the form of a naked or hairy tail. Seed erect. 

 Receptacle dry, conical, or C3dindrical. 



10. POTENTILLA. Herbs, or one species shrubby. Calyx flat or widely open. Akenes 



^all, on a dry receptacle, from which they at length fall. 



11. ERAGARIA. Perennial, small, and stemless herbs, producing runners after flowering. 



Leaves compound, of 3 leaflets. Calyx open, flat. Styles short and lateral. 

 Akenes naked, small, on the surface of an enlarged pulpy edible receptacle. (Les- 

 sons, p. 113, Fig. 360, and p. 118, Fig. 368.) 



* * * Ovaries several or many. 1-ovuled, in fruit becoming jieshy or pulpy and \ seeded, 

 forming a head or cluster above the flat or widely open sim/ily deleft calyx ; stamens 

 numerous ; styles short, naked, at length falling off. 



12. DALIBARDA. Very low perennial tufted herb, with simple, rounded-heart-shaped 



or kidney-shaped root-leaves and 1-2-flowered scapes. Calyx of 5 or even 6 unequal 

 sepals. Ovaries 5-10, in fruit merely fleshy, becoming almost dry and bony. 



13. RUBUS. Perennial herbs or shrubby plants. Ovaries numsrous, in fruit pulpy (berry- 



like, or more properly drupe-hke, the inner hard part answering to the stone of a 

 cherry or peach on a small scale), crowded on the dry or fleshy receptiicle. (Lessons, 

 p. lis. Figs. 369, 370.) 



S 2. Calyx with an urn-shaped dry tube, contracted or nearly closed at the mouth, and 

 inclosing 1-1 little pistils which become akenes. Flowers small; petals none 

 except in Agrimonia. 



14. ALCIIEMILLA. Low herbs, with pahnately lobed or comjjound leaves, and minute 



greenish flowers, in clusters or corymbs. Calyx with 4 inner and 4 outer or acces- 

 sory spreading lobes. Petals none. Stamens 1-4. Pistils 1^, with lateral styles. 



15. AGRIMONIA. Herbs, with interruptedly pinnate leaves, and flowers in slender 



terminal s])ikes or racemes. Calyx with the top-shaped tube beset with hooked 

 bristles just below the 5 green lobes, the latter closing together in fririt. Petals 5, 

 commonly yellow, broad and spreading. Stamens 5-15. Pistils 2 ; styles terminal. 



16. POTEKIUM. Herbs, with odd-pinnate leaves, and white, purple, or .greenish flowers 

 '■' (sometimes diceciou.s) in dense heads or spikes on long, erect peduncles. Calyx with 



a short, 4-angled, closed tube, surmounted by 4 broad and petal-like at length decid- 

 uous lobes. Petals none. Stamens 4-12 or more, with long and slender iirojecting 

 filaments. Pistils 14 ; the terminal styles tipped with a brush like or tufted stigma. 



