( 421 .) 
HOTTO'NIA * * 
Linnean Class and Order. Penta'ndria f, Monogy'nia. 
Natural Order. Primula'ce®*, Vent. — Lindl. Syn. p. 182.; 
Introd. to Nat. Syst. of Bot. p. 225. — Rich, by Macgilliv. p. 431. — 
Loud. Hort. Brit, p.529. — Mack. FI. Hib. p. 192. — Hook. Brit. FI. 
(4th edit.) p. 415. — Lysimachi® ; sect. 1. Juss. Gen. PI. p. 95. — 
Sm. Gr. of Bot. p. 95. — Syringales ; subord. Primulos® ; sect. 
Primulin® ; type, Primulace® ; subty. Primulid® ; Burn. Outl. 
of Bot. v.ii. pp. 900, 958, 1020, 1024, & 1025. — Preci®, Linn. 
Gen. Char. Calyx (fig. 1.) inferior, of 1 sepal, in 5 deep, strap- 
shaped, rather spreading segments. Corolla (fig. 2.) of 1 petal, 
salver-shaped ; tube cylindrical, open, about as long as the calyx ; 
limb flat, in 5 deep, oblong, notched, equal segments. Filaments 
(see fig. 2.) 5, awl-shaped, short, inserted at the mouth of the tube, 
each opposite to a segment of the limb. Jlnthers incumbent, oblong. 
Germcn (see fig. 3.) globular, pointed. Style (see fig. 3.) short, 
cylindrical. Stigma globose, undivided. Capsule (fig. 4.) globose, 
1-celled, tipped with the long, permanent style. Seeds numerous, 
roundish, covering the large, roundish, central, unconnected recep- 
tacle (fig. 5). 
The inferior, 5-parted calyx ; the salver-shaped corolla, with a 
short tube, and a 5-lobed limb, with the stamens from the margin 
of the tube ; the globose stigma; and the 1-celled capsule, tipped 
with the long permanent style ; will distinguish this from other 
genera in the same class and order. 
One species British. 
HOTTO'NIA PALU'STRIS. Marsh Hottonia. Water Violet. 
Water Featherfoil. Water Gilly-flower. Water Milfoil. 
Spec. Char. Flowers whorled, on a long solitary cylindrical 
stalk. Corolla longer than the calyx. Leaves pectinated. 
Engl. Bot. t. 364. — Curt. FI. Lond. t. . — FI. Dan. t. 487. — Linn. Sp. PI. p. 
208. — Hutls. FI. Angl. (2nd ed.) p. 85. — Willd. Sp. PI. v. i. pt. ii. p. 812. — Sm. 
FI. Brit. v. i. p. 226. ; Engl. FI. v. i. p. 276. — With. (7th edit.) v. ii. p. 293. — 
Gray’s Nat. Arr. y. ii. p. 301. — Lindl. Syn. p. 185. — Hook. Brit. FI. p. 91. — Macr. 
Man. Brit. Bot. p. 189. — Sibth. FI. Oxon. p. 73. — Abbot’s FI. Bedf. p. 15. — Davies' 
Welsh Bot. p. 21. — Purt. Midi. FI. v. i. p. 123. — Uelh. FI. Cant. (3rd ed. ) p. 86. — 
Rev. G. E. Smith’s PI. of S. Kent, p. 13. — Pamp. PI. of Battersea, p. 6. — Winch’s 
FI. ofNortliumb. & Durh. p. 13. — Walker’s FI. of Oxf. p. 53. — Perry’s PI. Varvic. 
Select®, p. 17. — Irv. Lond. FI. p. 141. — Baines’ FI. of Yorksli. p. 75. — Leight. FI. 
of Shropsh. pp. 105 & 512. — Mack. Catal. PI. of Irel. p. 22. ; FI. Hibern. p. 194. — 
Hottonia, Ray’s Syn. p. 285. — Myriophyllum alterum, Matth. Yalgr. v. ii. p. 
511, with a figure. — Viola palustris, Johnson’s Gerarde, p. 826. 
Fig. 1. Calyx. — Fig. 2. Corolla, opened vertically. — Fig. 3. Germen, Style, and 
Stigma. — Fig. 4. Capsule. — Fig. 5. The Placenta or Receptacle of the Seeds. — 
Fig. 6. A Seed. — Fig. 7. The same, a little magnified. 
* So named by Boebiiaave in honour of Dr. Peter Hotton, who was curator of 
the Leyden Botanic Garden, as well before the return of Hermann as after his 
decease ; and on the last occasion was the immediate predecessor of Boerhaave. 
He published, Sermo Academicus, quo rei herbaria historia et fata adum- 
brantur. 1695, 4to. D. Turner, Esq. in Correspondence of Dr. Richardson, 
p. 17. -f- See fol. 48, note t. f See fol. 296, a. 
