172 LINACEAE. 



Cymes few-flowered, open : carpel-bodies glabrous : style- 

 beak and branches over 4 mm. long. 3. O. columMnum. 

 Corolla over 2 cm. wide : plants perennial by rootstocks. 4. O. mactilatum. 



H 



1. G. moUe L. Stems spreading or decumbent, 1-5 dm. long, softly pubes- 

 cent: leaf -blades 2-6 cm. wide: sepals 3-4 mm. long, the outer ovate to 

 elliptic-ovate: petals somevrhat longer than the sepals: carpel-bodies 2-2.5 

 mm. long, wrinkled. — M. Occasional, in fields and on roadsides. Nat. of Eu. 

 — Sum. 



2. G. carolinianum L. Stems erect, 2-5 dm. tall, glandular-pubescent: leaf- 

 blades 3-6 cm. wide: sepals 6-10 mm. long, the outer ovate: petals about as 

 long as the sepals, usually pink: carpel-bodies 3-3.5 mm. long. — Common, on 

 dry banks and in thickets. — Sum. 



3. G. columbinvun L. Stems diffuse, mostly 1-4 dm. tall, sparingly pubes- 

 cent: leaf -blades 2-4 cm. wide: sepals 9-12 cm. long, the outer lanceolate: 

 petals rose-purple, somewhat longer than the sepals: carpel-bodies 3-3.5 mm. 

 long. — S. Eiver banks and roadsides. Nat. of Eu. — Early sum. 



4. G. maculatum L. Stems 2-6 dm. tall, retrorse-pubescent : leaf -blades 5-12 

 cm. wide: sepals 8—10 mm. long, elliptic to elliptic-lanceolate or oblong: 

 petals 1-1.5 cm. long: carpel-bodies 3-3.5 mm. long; style-column 2-3 cm. 

 long. — Common, on roadsides and in thickets and woods. — Sum. — Wild- 



CRANESBILL. 



2. ERODIUM L'Her. Annual or perennial herbs. Leaf -blades toothed, 

 pinnatifid, or pinnately parted. Sepals awn-tipped, the tips sometimes bristle- 

 appendaged. Stamens 5, accompanied by 5 staminodia. Carpel-bodies narrow, 

 acute at the base. 



1. E. cicutarium (L.) L'Her. Branches villose and viscid: leaf -blades oblong 

 in outline; petioles shorter than the blades: sepals oblong, 4^5 mm. long: 

 petals hardly longer than the sepals: carpel-bodies 4-6 mm. long, the beak 2-4 

 cm. long. — S. Eare, in fields near Wakefield. Nat. of Eu. — Spr. and sum. — 

 Storksbill. Pine-needles. 



Family 2. LINACEAE. Flax Family. 



Herbs or woody plants, the sap bland. Leaves alternate or opposite : 

 blades simple. Flowers perfect, regular. Calyx of 4-6 deciduous or per- 

 sistent sepals. Corolla of 4—6 ephemeral petals. Receptacle glandular. 

 Androeeium of 4—6 stamens, often with staminodia : filaments united at the 

 base. Gynoecium of 2-5 partially united carpels, the styles wholly or 

 partially distinct. Fruit capsular. 



stigmas introrse and more or less elongate : sepals glandless. 1. Linum. 

 Stigmas terminal and capitate : sepals, at least the inner ones, 



with marginal glands. 2. Cathaetolinum. 



1. LINUM [Tourn.] L. Herbs. Leaves alternate, without stipules. 

 Sepals 5, glabrous, or the inner ones sometimes ciliate. Petals blue or rarely 

 white, unajjpendaged. Androeeium of 5 stamens and 5 short staminodia. 

 Styles 5, distinct. Capsule 5-celled and with incomplete partitions, the carpels 

 ridged on the back. 



1. L. usitatissimum L. Stems 2-9 dm. tall: leaves relatively few, long and 

 thin; blades long-pointed: corolla blue, 1.5-2 cm. wide: capsules 7-10 mm. 

 long. — Occasional, in fields, on roadsides and railroads. Nat. of Eu. — 

 Sum. — Common-flax. 



