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Plantae anno 1910 et 1911 in ^Botanical Magazine* dehuo descriptae. 407 



lotis lateralibus distincte latioribus dittert — Herba epiphytica; pseudo^ 

 bulbi conferti, dvoideo-oblongi, 'sulcati, crassi," 7-^10 cm longi, apice 

 <riphylli. /Folia petiolata,.Ianceolato-oblonga, treviter acuminata, plicata, 

 subcoriacea, 30-40 cm longa, 5-6 cm lata. Scapi penduli, multiflori' 

 circiter 30 cm longi, vaginis tubulosis amplis vestiti; bracteae patentes, 

 elliptico-oblongae, obtusae, valde concavae, 1,5-1,8 cm longae; pedicelli 

 4—5 cm longi, scabridi vel papillis nigris crebre aspersi. Plores spe- 

 ciosi, subglobosi, straminei, crebre brunneo-punctulati. Sepalum posticum 

 suborbiculare, obtusum, valde concavum, 3—3,5 cm longum; sepala 

 lateralia late et oblique ovato-orbicularia,. obtusa, concava, 3,5—4 cm 

 longa. Petala late ^lliptica, obtusa, subconcava, 3 cm longa. Labellum 

 rigide carnosum, cum basi columnae continuum, 3-lobum, 4 cm longum; 

 unguis latus, concavus, 2 cm longus; lobi laterales oblique reniformes, 

 truncati, 1,5 cm lati; lobus intermedins oblongus, apice contractus et 

 subobtusus, concavus, 1,5 cm longus; discus crasse calloso-appendicu- 

 latus:;, callus late oblongus, basi et apice breviter bilobus. Columna 

 clavata, 2 cm longa, basi parce pubescens, apice late alata; poUinia 2, 

 cerea, pyriformi-oblonga, in glandulam.dilatatam affixa. 



54. Spiraea (Ckamaedryou) Wilsoni Duthie in Hort. Veitch. (1906), 

 p. 379; W. J. Bean in Bot. iMag., 1911, tab. 8399. — China. — Species 

 e grege S. cauescentis D. Don, sinensibus S. Henryi Hemsl. et S. Veilchii 

 Hemsl. quam maxime accedens, ab hac foliis pubescentibus ramulisque 

 floriferis abbreviatis facillime sejungenda, ab ilia foliis integris vel pauci- 

 dentatis pedunculis pedicellisque fere glabris apte distinguenda. 

 Frutex ornatus 2 — 2,5 metralis, arcuatim ramosus ramis elongatis; ra- 



4 



muli purpurascentes, pubescentes. Folia alterna, decidua, firmula, ovata 

 vel obovata vel oblonga, subacuta vel obtusa, basi cuneata, margine 

 praesertim in ramulis floriferis Integra vel apicem versus pauci-dentata. 

 2—3 cm longa, 1—2,5 cm lata; supra opaca, cinereo-puberula, subtus 

 pallidiora, pubescentia, ciliata; petiolus 3—4 mm longus. Corymbi com- 

 pacti, subglobosi, in ramulis floriferis lateralibus terminales, pluriflores, 

 4—5 cm diametro; pedunculi pedicellisque parce pilosi vel omnino glabri. 

 I^lores albi, 0,6 cm lati. Calyx 5-lobus; lobi triangulares, margine ciliati, 

 ceterum glabri, tubo campanulato glabro breviores. Petala 5, suborbi- 

 cularia. Carpella 5,2—5 mm longa, membranacea, minute pilosa, e latere 

 yentrali dehiscentes. 



55. Rhododendron (EurhodoJendron) ambiguum Hemsl. in Bot, Mag., 

 liJll, tab. 8400. —-China. — Inter species foliis lepidoto-glandulosis 

 ^- infloro Hook, f., valde affinis, diff'ert tamen foliis maturis minus 

 coriaceis, magis acuminatis, lepidibus majoribus minus crebris. cymis 

 plus quam trifloris et corolla extra pauci-lepidota intus postice viridi- 

 maculata. — Frutex dense ramosus, ramis floriferis graciliusculis 

 Pfimum praeter glandulis paucis nudis. Folia persistentia, sparsa, petio^ 

 ^ata, lanceolata, cum petiolo 4—8 cm longa, acuminata, apice glandula 

 subglobosa instructa, basi rotundata, utrinque primum crebre lepidoto- 

 glandulosa, supra cito nuda, subtus inter lepides primum. luteas demum 





