222 
51. GENTIAIJACE^. 
Suborder I. Gentianece. Tribe I. Chlorece. 
1. Chlo'ka Linn. Tello-vr-wort. 
1. C. perfolidta (L.) ; lowermost 1. elliptic-oblong naiTOwed 
below, stem-I. broadly connate, st. perfoliate. — E. B. 60. H. xvii. 
1060. — St. 12 — 18 in. high, simple. Stem-1. triangular-ovate, 
connected by their whole breadth in rather distant pairs, glau- 
cous. Panicle forked, many-flowered! Cal. di\adea to its base 
into linear-subulate segments. Cor. bright yellow. Stigmas 
yellow. — Damp chalky places. A. YII. — IX. E. I. 
Tribe II. ErythraecB. 
2. Eexthe^'a Jienea?m. Centaury. 
1. E. pukhel'Ia (Fries); st. much branched aciitely qua- 
drangular, 1. ovate the uppei-most oblong-lanceolate, Jl. all 
stalked axillary and terminal, cal. rather shorter than the tube of 
the opening corolla, cor. -lobes elliptic-oblong blunt. — E. B. 45$. 
— St. quite simple, 1 in. high and 1-flowered ; or very much 
branched, 6 — 8 m. high, with very many flowers. Radical 1. 
very few. Panicle forked, a fl. in the fork ; lateral Jl. distant 
from the jloral haves. Fl. rose-coloured. The length of the 
tube must be observed exactly at the time when the flower is 
about to expand. — Sandy ground. A. VII. — IX. E. Si I. 
2. E. Centattrinm (Pel's.) ; st. branched above quadrangular, 
1. elliptic-oblong the upper ones acute, fl. nearly sessik corjTn- 
bosely panicled, cal. not half as long as the tube of the opening 
corolla, cor. -lobes oval. — £.B. 417. — St. 6 — 18 in. high, usually 
simple below. Panicles of fl. lax. Lateralfl. apparently stalked 
but sessile between the small floral leaves. Radical 1. manv. — 
Dry pastures. A. Vll.Vm. E.S. I. 
3. E. latifdlia (Sm.) ; st. short branched from the base qua- 
drangular, I. broadly oval blunt, fl. in dense forked tufts «<w.si'fe, 
cal. rather shorter than the tube of the opening corolla, cor. -lobes 
lanceolate. — E. B. S. 2719. — St. thick, 2 — 3 in. high, sometimes 
taller and branched, usually dividing into 3 main branches. Fl. 
densely crowded, rose-coloured. Radical 1. very large, ■with 
5 — 7 ribs, many. "Cor.-lobes sometimes oval." Mr. Watson. — 
Sands near the sea. A. VI.— VIH. E. S. I. 
4. E. littordlis (Fries) ; st. simple solitary or several from the 
crown of the root, 1. oblong-linear blunt nai-rowed below, radical 
1. crowded spathulate, fl. sessile between the floral 1. densely 
corymbose, calyx a.t long as the tube of the opening corolla, cor.- 
lobes oval blunt. — E. B. 2305. E. chloodes Gren., not E. linarii- 
folia. (Fr. Sum. 554.) — St. 2 — 6 in. high. Corjmb usually tri- 
