38 RANHNCULACE^. (CROWFOOT FAMILY.) 



Var. siibincrinis, Boiss. Flowers smaller. Spike more com- 

 pact. Crest of carpels less prominent — Damascus. Borders of 

 et Till. 



7. A. flammca, Jacq. Stem stout. Flower 0.015 m. to 0.02 

 broad. Calyx appressed-hairy. Petals linear-elliptical^ flattened. 

 Spike cylindrical loose. Carpels ovate, ending in an ascending, black 

 beak. Tooth obtuse^ near hase of heah — Spring — Fields, throughout ; 

 rather rare. Too near A. mstivalis. 



5. MYOSURUS, L. Mouse-Tatl. 



Flowers destitute of involucre. Sepals 5, furnished with a spur 

 at base. Petals 5, with filiform claw, and nectar-bearing pore at 

 base of lamina. Akenes wedge-shaped. Style beak-like, short— Small 

 annual herbs, with undivided leaves. 



M. iBiiniiiiiis, L. All the leaves clustered at the root, linear. 

 Scape 1-flowered. Petals shorter than calyx. Carpels crowded on a 

 tapering spike— Spring — Above Zebedani. El-Balqa 



6. RA]^U]VCUL<US5 L. Crowfoot. Buttercup. ^iJli 



Sepals 3-5. Petals 5, rarely more, with pore at base, naked, or 

 covered with a scale. Akenes numerous, usually flattened, apiculate 

 — Annual or perennial herbs. 



§ 1, BATRACmUM. 11 Petals wliite^ furnished witli a nal'ed -pore 

 at base. Aquatic p)erenniaU^ with floating or immersed lea'ces. 



1. R. aquatilis, L. % Flowers O.Ol m. to 0.02 broad. 

 Peduncles as long as^ or longer than, leaves. Petals obovate, broad. 

 Stamens numerous — SiDi'ing. 



Var. lieterophylliis, D.C. The floating leaves round, loith wedge 

 shaped, crenate lobes. The immersed leaves capillary, much dissected 

 — Hums. 



Var. siil^mersiii, Gr. et Godr. All the leaves immersed, with 

 elongated capillary lobes, — Canals and streams ; common. 



Var. spliserospermiis, Boiss. Sepals ^ to ^ as long as petals. 

 All the leaves immersed, witli short and stiff lobes. Carpels nearly 

 globular, scarcely keeled — Common. 



Var. pantotlirix, Bl, Leaves much dissected, lobes long, 

 slender — Common, with var, submersus, 



2. R. trioliophyllus, Chaix. 1|; Flowers less than 0.01 m. 

 broad. Peduncles usually shorter than leaves, sometimes longer. 

 Petals usually narrow, sometimes broad, less tJian twice as long as sci)als. 

 Stamens few. — Spring — Aintab to Galilee, and southward. A species 

 with much dissected leaves, and capillary lobes, too near to var. 

 pantotlirix of last. 



§ 2. FICARIA, % Petals 8-12, yellow. Pore at base of petals 

 covered with a scale. 



3. R. Calthsefoliufii, Jord. % S^ isj^ Leaves ovate-cordate 

 entire or pinnate, or obscurely toothed. Peduncles as long as, or longer 

 than, leaves. Sepals yellowisli-whitc. Corolla 0.02 m. to 0.03 broad. 



