100 TETRAXBRIA. MONOGYNIA. 



Species. 1. P. major. 2. lanceolata, (introduced, now 

 every where naturaiized.) 3. cordata. 4. cucuUcUa. 5. in- 

 tervupta. &. mariiima. 7 . caro'lniana. § ii. Slamiiia nut ex- 

 serted. Capsule 2-celIed, 2-seeded. Stemiess. ( \ilieu to 

 Psyllium.) 8. xivginica. be.umcnts of the corolla rcs- 

 tiately conrilvent. 9. *gnaphaloides {P. L:igopus, FvnsH. 

 a name already applied to a vc ry d sdnct species). Every 

 where coveied with a silky villus; leaves linear-oblong", 

 entire; stamina included; calix iig<].--On die suinniiis of 

 hig'h and gravelly hills; commciicing- to appear near the 

 confluence of the river Juuke, and the Mis^tniri. 10. *pu- 

 Sula. Minutely pubesceni; leaves Lnear, entire, narrower 

 towards the base, and a liitle carnose, shorter than the 

 scape; scape round, filiform; spike, subcyiindric, inler- 

 rupteci; calix rigid; brac;es ovate, acute; slaniina included. 

 — On arid sahne liilis near tiie M.ssouri. Flowers in May. 

 Only 1 to 3 inches high. O- 



P. aristata, Mich. (One or two plants only out of many 

 others which 1 obtained from seeds, gathered in Upper 

 Louisiana, produced the long subulate bracles dtscnbed 

 by Michaux, from whence his specific n.ime is derived.) 



P. e^ongata, Puish, in Suppl. ii. p. 729. P. paucijiora, of 

 the same, i. p. 99. On all the bea-coasts from Labrador 

 to Florida. 



11 * glabra. Leaves ovate, denticulate, smooth; scape 

 slender, somewhat compressed, nearly equal to the leaves; 

 flowers scattered; bracles ovate, acuminate. — In arid soils, 

 near Fort Mandan. 



About two-thirds of this extensive genu.s, as enumerat- 

 ed by Per.soon, are indigenous to Kiuope, (niore particu- 

 larly to the south,) and Northern Africa, (B.trbarv, &.c.) 

 there are also species at the Oape of Good Hope, in Peru, 

 Uiid other parts ot South America, also in Siberia. To the 

 subdivision PsijlUian, constituted a genus by Jussieu, ap- 

 pertain several branching, shrubby, and one arborescent 

 species. 



146. CALLICARPA. i. (Berraudian Mul- 

 berry.) 



Calix 4 -cleft. Corolla tubular, borJer 4 -cleft. 

 Stamina exserted. Berry 4-seeded. 



Mostly tomentose shrubs, with opposite leaves, and 

 axillary subverticillate flowers; peduncles dichotoinous or 

 cymose, many-flowered; cymes in souie species terminal, 

 as well as axillary. 



