716 BUI.I.KTIN DE i/hKRBIKK BOISSIKH (2'"« SKR.). 1905 (8) 



ACANTHACEÆ 



Hook. f., Fl. Brit. Ind., IV. 387. 



38. Thunbergia laurifolia Lindl. ; Hook. f., 1. c, 392. 

 Riverbank at Wang Chow: common (No. 72). 



39. STAUROGYNE SIAMENSIS C. B. Clarke, sp. nova ; spicis sub- 

 globosis, in axillis (fere omnilms) quasi-sessilibus, foliis floralibus spathulato- 

 orbiculatis intermixtis; spica terminali (imo in fruclu) ovoidea; corolla vix 

 1 cm. longa ; S. glaucæ O. Kuntze Var. spathulatæ arcte affinis. Annua, 10-18 cm. 

 alla. Folia-lamina usque ad 7 cm. longa spathulato-elliptica, obtusa; petiolus 

 5-12 mm. longus. Capita in pedunculis 0-2 mm, longis, admodum pilosa, 10-14 

 mm. in diam. ; folia floralia 8-9 mm. longa. Sepala linearia vix 5 mm. longa. 

 CoroUæ tubus rectus. Capsula 5 mm, longa. 



This new species comes next to Staurogyne glauca, 0. Kuntze var. spalhulata, 

 i. e. Ebermaiera spathulata, Hassk. It ditTers in the spathulate-orbicular floral 

 leaves; and greatly in the very axillary inflorescence. In Hasskarl'sE. spathulata 

 the terminal spike is linear elongate in fruit (C. B. Clarke). 



Near Tapolsah ; open places in woods (No. 9, 10, 11, 2o). 



40. Hygrophila phlomoides Nees; Hook, f., 1. c. 408, 

 Near Tapolsah. 



41. NOMAPHILA SIAMENSIS C. B. Clarke, sp. nova; herbacea, 

 erecta, ramosa, foliis tenuibus; inflorescentiis oblongis (nee globosis), Iaxis, a 

 foliis floralibus pluribus oblongis ornatis ; ceteroquin ut N. slricta Nees. Caulis 

 3-6 dm. alius, ramis pluries divisis. — Dilfert a N. slricta ob cymulos laxos a 

 bracteis interspersos. 



This new species is closely allied to Nomaphila stricla Nees (and other Noma- 

 philos). It differs in the herbaceous much branched stem, the oblong (not globose) 

 inflorescences, which have many scattered oblong floral leaves; and do not 

 match the recurved denser inflorescences of N. slricta, Nees. ^C. B. Clarke). 



Wang Chow forest, near Tapotsah (No. 5) and along the river from Longlsom 

 to Nong Boa (No. 53). Open woods in shaddy and moist places ; flowers blue. 



42. Dædalacanthus tetragonus T. Anders. ; Hook, f., 1. c, 420. 



Along the river from Long Isom to Nong Boa (No. 52); shaddy places; 

 flowers blue. 



43. Hemigraphis quadrifaria T. Anders. ; Hook, f., 1. c, 425. 



Along the river from Long Isom to Nong Boa (No. 54) ; moist places ; 

 flowers blue. 



44. STROBILANTHES SIAMENSIS C. B. Clarke, sp, nova; foliis 

 inæqualibus, majore usque ad 15 cm. longis 7 cm. latis, basi paullo spathulatis, 

 inlerdum auriculatis, in margine subintegris, in facie inferiore albescentibus 

 fere glabratis ; corolla 17 mm. longa, gracili ; ceteroquin fere ut Sir. auriculatus 

 Nees. ; spicæ in pedunculis axillaribus terminales slrobilalæ, 5-6 cm. longæ, 



