7^6 FLORA. 



1. Nama affinis (A. Gray) Kuntze. Smooth Nama. (I. F. f. 301 1.) 

 Glabrous or nearly so; stems 3-8 dm. high. Leaves oblong-lanceolate, petioled, 

 acute or acuminate at both ends, 5-13 cm. long; flowers 12-14 mm - broad, short- 

 pedicelled, in rather dense peduncled leafy -bracted axillary clusters; sepals about 

 equalling the corolla; capsule 4 mm. in diameter, shorter than the sepals. In wet 

 places, southern 111. to Mo., La. and Tex. June- Aug. 



2. Nama quadrivalvis (Walt.) Kuntze. Hairy Nama. (I. F. f. 3012.) 

 Similar to the preceding, but pubescent, at least above, with spreading hairs; stem 

 ascending, 3-6 dm. high. Leaves lanceolate, acute or acuminate, glabrous, or 

 sparingly pubescent, petioled, 5-13 cm. long; sepals about as long as the corolla; 

 capsule 4-6 mm. in diameter, about the length of the sepals. In wet soil, Va. to 

 Fla. and La. June-Aug. 



3. Nama ovata (Nutt.)Britton. Ovate-leaved Nama. (I. F. f. 3013.) Stem 

 3-9 dm. high, puberulent, or hirsute, at least above. Leaves ovate, rarely ovate- 

 lanceolate, puberulent, or glabrous, 2-7 cm. long, acute; flowers terminal, often 2.5 

 cm. broad, or more; sepals lanceolate, acuminate, very villous, shorter than the 

 corolla, longer than the capsule. In wet soil, Ga. to Mo., La. and Tex. May- Sept. 



Family 5. BORAGINACEAE Lindl. 

 Borage Family. 



Herbs, shrubs, or some tropical species trees. Leaves alternate, rarely 

 opposite or verticillate, estipulate, mostly entire and hispid, pubescent, 

 scabrous or setose. Flowers perfect, usually regular, mostly blue, in one- 

 sided scorpioid spikes, racemes, cymes, or sometimes scattered. Calyx 

 inferior, mostly 5-lobed, 5-cleft, or 5-parted, usually persistent. Corolla 

 gamopetalous, mostly regular and 5-lobed, rarely irregular. Stamens as 

 many as the corolla-lobes and alternate with them, inserted oh the tube 

 or throat; anthers 2-celled, the sacs longitudinally dehiscent. Disk com- 

 monly inconspicuous. Ovary superior, of 2 2-ovuled carpels, entire, or 

 the carpels commonly deeply 2-lobed, making it appear as of 4 i-ovuled 

 carpels ; style simple, entire or 2-cleft in our genera; ovules anatropous 

 or amphitropous. Fruit mostly of 4 i-seeded nutlets, or of 2 2-seeded 

 carpels. Endosperm fleshy, copious, or none ; cotyledons mostly flat or 

 plano-convex; radicle short. About 85 genera and 1500 species, of wide 

 distribution. 



* Ovary entire or 2-4-grooved; style terminal. 1. Heliotropium. 

 * * Ovary 4-divided or deeply 4-lobed, the style arising from the center. 

 Flowers regular. 



Nutlets armed with barbed prickles. 



Nutlets spreading or divergent, covered by the prickles. 2. Cynoglossum. 



Nutlets erect or incurved, the prickles on their backs or margins. 



3. Lappula. 

 Nutlets unarmed. 



Nutlets attached laterally to the receptacle, sometimes just above their bases. 

 Suiting calyx not greatly enlarged nor membranous. 



Corolla small, usually white; receptacle conic or elongated. 



Annuals; calyx nearly closed in fruit; inflorescence naked or brac- 

 teolate. 



Lowest leaves mostly opposite; calyx persistent. 



4. Allocarya. 

 Leaves all alternate ; calyx at length deciduous. 



5. Cr-yptanthe. 

 Perennials or biennials; calyx-segments more or less spreading in 



fruit; inflorescence leafy. 6. Oreocarya. 



Corolla tubular-funnelform, mostly blue; receptacle flat or convex. 

 Maritime: nutlets fleshy, smooth and shining. 7. f'fieumaria. 

 Not maritime; nutlets wrinkled and dry when mature. 



8. Mertensia. 

 Fruiting calyx much enlarged, membranous, veiny. 9. Asperugo, 



