344 WILSON EXPEDITION TO CHINA 



Western Szech'uan: Mao-chou, arid rocky places, alt. 1300-1900 

 m., May 24 and October 1908 (No. 2251; semiscandent bush 0.25-1.5 

 m. tall, flowers greenish-yellow with chocolate markings). North- 

 ern Shensi : " Lao-y-san," June 4, 1897, G. Giraldi. Chili : Pagoda 

 Hill near summer palace near Peking, 1903, C. S. Sargent; hills near 

 Nankow, October 5, 1905, J. G. Jack. 



This species is in cultivation in the Arnold Arboretum, from seeds collected by- 

 Jack in 1905 and by Purdom. 



HOLOSTEMMA R. Br. 



Holostemma sinense Hemsley in Jour. Linn. Soc. XXVI. 103 (1889). 



Ad descriptionem addenda: Frutex scandens ad 2.5 m. altus. Folia 

 late ovata v. ovato-oblonga, basi profunde cordata, apice sensim acuta 

 et abrupte breviterque acuminata, 5-10 cm. longa et 2.5-5.5 v. 8 cm. 

 lata, superne intense viridia, praesertim ad costam pilosula, ceterum 

 fere glabra, subtus cinerascentia, sub microscopio dense tenuissime 

 papillosa, ad costam sparsissime pilosa, ceterum glabra; petioli 2-5.5 

 cm. longi. Cymae racemoso-paniculatae, breviter pilosae, ad 5 cm. 

 longae et 3 cm. crassae, 6-20-florae, pedunculis 2-5 cm. longis nudis 

 suffultae. Flores ad 12 mm. diametientes, albi; pedicelli puberuh cir- 

 citer 5 mm. longi, basi bracteis parvis lanceolatis pilosis instructi; 

 calycis segmenta fere ad basim libera, lanceolata, acuta, extus sparse 

 pilosa, margine ciliata, circiter 2.5 mm. longa; corollae lobi late ob- 

 longi, obtusi, circiter 5 mm. longi, glabri; corona brevis, 5-lobulata, 

 infra antheras afiixa, lobis ut videtur patentibus obtusiusculis; anthera- 

 rum membrana ovato-triangularis; stigma ultra caput planum 5-lobum 

 subito breviter filamentose productum imo apice paulo bifidum; pol- 

 linia oblongo-elliptica, paulo curvata, pendula, translatoribus brevibus 

 versus pollinia dilatatis, retinaculo oblongo ad insertionem translatorum 

 angustato polliniis vix duplo breviore. Folliculi oblongi, laxe puberuli, 

 ut videtur valde divaricati (angulo 180°?), basi subito paulo contracti, 

 a medio adapicem sensim attenuati, circiter 7 cm. longi et 1.8 cm. 

 infra medium crassi, in dorso paulo rugoso-angulati ; semina late 

 oblonga, circiter 6 mm. longa et 4 mm. lata, margine subalata et basi 

 denticulata, apice coma sericea iis circiter 4-plo longiore instructa, 

 rubro-brunnea. 



Western Hupeh: north and south of Ichang, thickets, abun- 

 dant, alt. 300-900 m., August 1907 (No. 648; climber 1.25-2.5 m., 

 flowers white); same locality, November 1907 (No. 648*; with 

 fruits); same locality, A. Henry (No. 2755, co-type; and No. 3992, 



