103 PENTANDRIA, MONOGYNIA. 



processes. Stigma emarginate. Seed de- 

 pressed, affixed to the style on the inner side. 

 — Nutt. 



officinale, i, C. covered with a very soft pubescence; leaves 

 broad-lanceolate, sessile ; racemes paniculated. — 

 mild. 



Icon. Curt. Lond. 4. t. 16. 



Officinal Houndstongue. 



Two feet high. Flowers brownish-red. This plant is very 

 rare in this neighbourhood, and seldom flowers where I have 

 seen it. In Powelton woods, scarce. In the dry woods three 

 miles above the Falls of Schuylkill, west side of the river, also 

 scarce. The plant is said to destroy rats. Biennial. June, 

 July. 



ampiexi- 2. C. very hirsute ; leaves oval- oblong, the upper 

 ones amplexicaule, with a terminal, leafless, long, 

 pedunculated corymb. — Mich. 

 C. foliis amplexicaulibus, Gron. Virg. 

 C. Virginicum, L. 



Common Houndstongue- 



From eighteen inches to two feet high, with a hispid stem 

 and hairy rough leaves. Flowers blue and white. In the 

 shady moist woods in the neighbourhood of Mantua ; and near 

 the Falls of Schuylkill, west side of the river, frequent- Dries 

 brown, when prepared for the herbarium, unless much care is 

 taken. Perennial. May, June. 



94. PURSHIA, Sprengel, [Anleitung zur Kenntniss der Ge- 

 \v achse, p. 450.] ( Borraginece. J 



Calix deeply 5-parted. Corolla somewhat tu- 

 bular-campanulate ; orifice naked ; border 

 ventricose, half 5-cleft, segments connivent, 

 acute. Anthers sessile, included. Style 

 much exserted, entire, acute. — JVutt. 



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