CAPRIFOLIACEAE, — ABELIA 123 
from eastern to western China, the fourth, Vesaleae, is Mexican, the fifth, Corym- 
bosae, is Central Asiatic, while the last, Biflorae, extends from Mongolia to 
western China. 
KEY OF THE SPECIES. 
* Ramuli pilis villosis v. patentibus instructi v. puberulis v. glabri, nodis non in- 
crassatis; petioli basi non dilatati nec connati; corolla campanulato- 
infundibuliformis staminibus styloque faucem superantibus; achaenia teretia 
v. subteretia. 
Sect. I. EUABELIA. 
f Pedunculi semper biflori, solitarii in apice ramulorum lateralium brevium; 
ramuli solidi medulla angusta. . . . . ... Subsect. 1. SERRATAE. 
Bepalu 5. — 4 Bh er AE VIL A 1. A. spathulata. 
Sepala 2. 
Folia parva ad 3 em. longa; sepala apice 2-3-dentata; corolla 1.5 em. 
longa, apicem versus sensim ampliata, limbo suberecto, rosea. 
2. A. serrata. 
Folia majora, ad 6 cm. longa; sepala apice plerumque obtusa v. obtusius- 
cula, rarius leviter excisa. 
Achaenia pilosa; sepala ovata; foliaserrata; corolla 2 cm. longa, infundi- 
buliformis, limbo patente, lactea. . . . . . . . 3. A. Buchwaldii. 
Achaenia glabra; sepala lanceolata; folia parcius serrata v. fere integra. 
4. A. gymnocarpa. 
tt Pedunculi uniflori, rarius pluriflori, axillares, saepe apice ramulorum inflores- 
centias pluri- v. multiflores formantes. 
i Sepala 2; stamina quam corolla breviora; pedunculi uniflori; ramuli 
anguste fistulosi.-.-— . i 4 4i x. Subsect. 2 UNIFLORAE. 
Folia acuminata. 
Ramuli glabri (in A. uniflora interdum puberuli). 
Corolla 2.5-3 cm. longa, sepalis triplo longior, plerumque e tubo 
angusto paullo infra medium v. medio ampliata. 
Folia integra v. minute obsoleteque denticulata, 4-7 cm. longa, 
longe acuminata; pedunculi axillares pluriflori. 
5. A. macrotera. 
Folia serrulata v. dentata. 
Corolla e medio ampliata, infra medium anguste tubularis; 
peduneuli uniflori, axillares in apice ramulorum elongatorum; 
folia parva, 1.5-2.5 em. longa, serrulata. 
6. A. longituba. 
Corollae pars tubularis vix tertiam partem corollae formans; 
folia 3-6 em. longa. : 
Folia subeoriacea, glabra. Pedunculi 1—3-flori in apice ramu- 
lorum elongatorum ru en git ap a unire formantes; 
corolla fere campanulata, basi breviter tubulosa. 
gp s y MEP. © uniflora. 
Folia membranacea plerumque pilosa. Pedunculi uniflora in 
apice ramulorum brevium, corollae pars tubularis fere 
tertiam partem corollae formans. 
8. A. Graebneriana. 
Corolla 1.5-2 cm. longa, e tubo brevi campanulata, sepalis duplo 
longior; flores in apice ramulorum brevium. is din 
