JUGLANDACEAE. — PETEROCARYA 183 
tin,” R. P. Farges. Western Szech'uan: Chiu-ting-shan, road- 
side, alt. 2150 m., May 23, October 1908 (No. 3213; tree 20 m. tall, 
2 m. girth, only one seen). 
This tree is fairly common scattered through the moist woods in western Hupeh, 
but is very rare in western Szech'uan. The bark is thick, gray, fibrous and deeply 
fissured on old trees. The leaflets vary from 7-9 and are subopposite; the fruit 
on some of the specimens is 7.5 cm. across. 
In Hupeh the colloquial name for this tree is Chin-chien-li. 
Franchet's section Cycloptera based on this species can hardly be maintained 
as a distinct section. The only difference is in the great development of the wings 
of the fruit, which become confluent so as to form one circular wing. Its origin from 
two wings, however, is apparent in many fruits which are distinctly contracted in 
the middle of the upper and of the lower margins. The other more important 
character attributed by Franchet to his section Cycloptera concerning the position 
of the staminate catkins does not exist in P. Paliurus, which has the staminate 
catkins arranged exactly like those in the two preceding species, as flowering 
Specimens before us show. The flowering specimen on which Franchet based his 
description of the flowers of Cycloptera apparently belongs to the following species. 
Sect. CuLAENOPTEROCARYA Rehder and Wilson, n. sect. 
Gemmae perulis magnis imbricatis circiter 3 caducis praeditae, 
Solitariae, manifeste stipitatae; amenta mascula ex axillis foliorum 
novellorum infra amentum femineum orientia. 
Typus sectionis: P. rhoifolia Siebold & Zuccarini. 
Pterocarya insignis Rehder & Wilson, n. spec. 
Pterocarya Paliurus Franchet in Jour. de Bot, XII. 318 (non Batalin) (1898) 
quoad descriptionem florum et specimen floribus masculis e Tchen-kéou-tin. 
„Arbor 16-25-metralis, trunco 30-60 em. diam.; trunci cortex 
cinereus, laevis demum fissus; ramuli lenticellati; gemmae perulis 3, 
oblongo-lanceolatis 2.5-3 em. longis convolutis extus lepidotis et 
Sparse pubescentibus praeditae. Folia 7-11-foliolata, petiolo in- 
cluso 20-45 cm. longa; foliola basin versus decrescentia, lateralia 
opposita v. subopposita, breviter petiolulata v. subsessilia, oblonga, 
acuta, basi oblique rotundata, 8-20 cm. longa et 3-6.5 cm. lata, ter- 
minale petiolulatum petiolo 1.5-2.5 cm. longo, oblongo-lanceolatum v. 
Ovato-lanceolatum, acuminatum, basi attenuatum, 15-20 cm. longum 
x 5-8 em. latum, omnia serrulata, supra glabrescentia, subtus initio 
)ccos0-tomentosa glandulis minutis sparsis intermixtis, mox fere 
glabra Costa nervisque fulvo-tomentosis exceptis, nervis utrinsecus 
"rctter 20 subtus elevatis; petioli validi, 4.5-6 cm. longi, supra plani, 
k dilatati; rhachis leviter marginata ut petioli petiolulique cinereo- 
mentosi, Flores non visi. Racemi fructiferi foliis longiores, axi- 
