APOCYNACEa:. LOGANIACE^. 151 



tim angustatis a basi 1 mm. latis tenuiter 1-costatis, (costis cum venis laterali- 

 bus tenuibus subparallelis, extrorse recurvatis revolutis, sinibus inter coroUfB 

 lobos acutis. Stamina 2 acT basin coroUfe tubi affixa, filamentis toto eum 

 corolla connatis, antlieris adnatis oblongo-ovatis 1 mm. longis extrorse deliis- 

 centibus apiculatis glabris. Rudimentum ovarii 0. Fl. ^ ignoti. 



Hab. Toyencho : Kappanzan, leg. U. Moei et Y. Shimada, 1910, Mart. 



Closely resembles G. retusus, but difFers from it by the rauch shorter 

 petioles and minutely serrulate leaves. There is anotlier specimen of this 

 genus in the Tokyo herbaiium, which is labelled " Koshu : Giokuzan, Mai., 

 1910, China." It is closely allied to om- species, and may be regarded as 

 identical with ours. The genus exists in North America, China and Japau 

 (Benth et HooKER Gen. Pl. H. p. 677). Fom- species inchiding the present 

 one are knowu. 



Apocynaceas. 



Tahemmmontana Lkn. 



Tabernaemontana diehotoma Roxb. 

 Hab. KotKJsho. 



Determined by Mr. T. Kawak.\mi at Manila in his trip to the Philip- 

 pines. 



Loganiacese. 



Geniostoma Forst. 



Geniostoma sp. 

 Hab. Kwashoto. 

 ■ • Specimens insufficieut for satisfactory determination. 



Fagrma Thunb. 



Fagraea Sasakii Hayata u. sp. (Tab. XXIX). Ar-bor 10 m. alta vel altiora, 

 rami et ramuli iu exsiccato albo-cinerascentes glabri phis miuus succuleuti. 



