( 468 ) 
TRI'NIA* * 
Lrnnean Class and Order. Penta'ndria f, Digt'nia. 
Natural Order. Umbelli'fera: +, Juss. Gen. PI. p. 218. — Sm, 
Gram, of Bot. p. 132. — Lindl. Syn. p. 111.; Introd. to Nat. Syst. 
of Bot. p. 4. — Rich, by Macgilliv. p. 463. — Loud. Hort. Brit. p. 
517. — Don’s Gen. Syst. of Gard. and Bot. v. iii. p.235. — Mack. 
FI. Hibern. p. 113. — Ilook. Brit. FI. (4th ed.) p.408. — Umbellate, 
Linn. — Rosales; sect. Angelicinje ; type, Angelicace.e; 
subtvpe, Angelicidje ; Burn. Outl. of Bot. v. ii. pp. 614, 770, 773, 
and 774. 
Gen. Char. Flowers (see figs. 1 & 2.) dioecious. Calyx an 
obsolete margin. Petals of the sterile plant (see fig. 1. & a.) spear- 
shaped, with a narrow involute point ; of the fertile or hermaphro- 
dite plant (see fig. 2. & b.) egg-shaped, with a short inflexed 
point. Filaments (fig. 1.) 5, hair-like, spreading, longer than the 
corolla. Anthers roundish. Germen (see fig. 2.) inferior, egg- 
shaped, a little compressed, smooth, finely ribbed. Styles (see fig. 3.) 
2, thread-shaped, somewhat spreading, short in the flower, after- 
wards as long as the fruit, tumid at the base. Stigmas capitate, 
almost globular. Fruit (see figs. 3 & 4.) egg-shaped, compressed 
at the side. Carpels with 5 prominent equal ribs, and single vitlce 
beneath them. Seed convex, flattish in front. — Involucrum vari- 
ous. — Flowers white. 
The dioecious flowers ; the obsolete calyx ; the spear-shaped, 
involute petals ; the egg-shaped, compressed, smooth fruit ; and 
the carpels with 5 prominent ribs, and single vitlce beneath them ; 
will distinguish this from other genera in the same class and order- 
One species British. 
TRI'NIA GLABE'RRIMA. Smooth Honewort. Smooth Rock- 
parsley. Dwarf Burnet-saxifrage. Least Anise. 
Spec. Char. Plant glabrous. Leaves bipinnate ; leaflets strap- 
spear-shaped, short, equal. Involucrum none. Ribs of the fruit 
obtuse. 
Itoffm. Umb. p. 93. — Gray’s Nat. Arr. v. ii. p. 512. — Lindl. Syn. p. 124. — Hook. 
Brit. FI. p. 128. — Don's Gen. Syst. of Gard. and Bot. v. iii. p. 281. — Mack. FI. 
Hibern. p. 123 — Trinia vulgaris, Macr. Man. Brit. Bot. p. 97. — T. vulgaris fl. 
Jaquini, Decaud. Prod. v. iv. p. 103. — Pimpinella dioica, Engl. Bot. t. 1209 — 
Linn. Syst. Veg. (13th ed.)p. 241.— Iluds. FI. Angl. (2nd ed.) p. 128.— Willd. Sp. 
PI. v. i. pt. ii. p. 1474.— Sm. FI. Brit. v. i. p. 332.; Engl. FI. v. ii. p. 90.— Willi. 
(7th ed.) v. ii. p. 396. — Walker’s FI. of Oxf. pp. 83 and 304. — Irv. Lond. FI. p. 235. 
— Pimpinilla pitmila, Jaeq. Hort. Vind. p. 52. t. 227. ; FI. Austr. v. i. p 19. 
t. 28. — Pimpinilla glauca, Spreng. Syst. v. i. p. 883. — Seseli j.{imilum, Linn. 
Sp. PI. p.373. — Peucedanum minus, Bauh. Pin. p. 149. —Park. Theatr. Bot. 
p. 880. 3. — Ray’s Syn. p. 217.— Iluds. FI. Angl. (lsted.) p. 101. — Peucedanum 
a, a. A Sterile Plant; b. Un-.bel of a Fertile Plant. — Fig. 1. A Flower of a Sterile 
Plant. — Fig. 2. A Flower of a Fertile Plant. — Fig. 3. A Fruit. —Fig. 4. Transverse 
section of a Fruit. — Fig. 5. Leaf of a Sterile Plant. — Figs. 1 , 2, 3, & 4, magnified. 
* So named in honour of Dr. Trinius, a celebrated Russian Botanist, who has 
w ritten on Gramineae. Don. 
f See folio 48, note -f\ 
J See folio 255, a. 
