228 WILSON EXPEDITION TO CHINA 



Pedicelli fructiferi insigniter incrassati. Putamen insigniter rugosum, ob- 

 tuaissimum (in P. campanulata tantum apiculatum). Flores coaetanei v. 

 autumnales; cupula 6.5-15 mm. longa, sepala plerumque cupula dimidia, 

 rarius tertia parte brevior. Foliorum dentes acutae v. acuminatae, nimquam 

 setula terminatae. Umbellae plerumque sessiles, baud raro in eadem specie 

 etiam pedunculo ad 15 mm. longo insidentes. (Sikkim, Nepal, Siam, China 



orientalis, Formosa, Oshima?) Subsect. 11. PUDDUM. 



Involucra aut parva aut folia insigniter incise- v. lobulato-duplicato-serrata. 

 Folia breviter v, sat profunde serrata. Involucra parva, 5-7 mm. longa; 

 flores praecoces v. subcoaetanei; umbellae sessiles v. pedimculus ad 5, raro 

 ad 15 mm. longus; cupula 4-7 mm., sepala 2.5-5 mm.; stylus pilosus v. 

 raro glaber. Drupae nigrae (quoad notae); putamen 6-7 mm. longum, 

 obsolete sulcatum. (China, Korea, Japonia.) 



Subsect. 12. MICROCALYMMA. 



Folia insigniter inciso- v. lobulato-duplicato-serrata v. -crenata (sed cf. vari- 



etates dubias P. Zappeyanae). Flores coaetanei, multo rarius praecocea. 



(China, Japonia, Ins. Kurilenses.) .... Subsect. 13. CERASEIDOS. 



Bracteae euphylloideae, inferiores breviter petiolatae (in P. Veitchii paul- 



lulum tantum supra involucrum exsertae, in P. canescente non in omnibus 



inflorescentiis praesentes. (China.) Ser. 1. Phyllopodium. 



Bracteae haud euphylloideae. 



Bracteae herbaceae majusculae (3-8 mm.), insigniter glanduloso-fimbri- 



atae, flores subracemosi. (China.) Ser. 2. Droserina. 



Bracteae haud insigniter glanduloso-fimbriatae. 



FoUorum dentes glandulis parvis v. nullis terminatae, haud obtusissimae. 

 Dentes acutissimae v. acuminatissimae, glandula nulla v. puncti- 



formi. (China, 1 species Japonica.) Ser. 3. Oxyodon. 



Dentes obtusiusculae subcuspidatae, glandula parva sed manifesta 

 capitata terminatae. (Japonia, Insulae Kurilenses, 1 species chi- 



nensis.) Ser. 4. Euceraseidos. 



Foliorum dentes obtusissimae v. subemarginatae, glandula vaUda subde- 

 pressa terminatae. (China.) Ser. 5. Amblyodon. 



GrexII. MICROCERASUS. 



Sepala reflexa, cupula nunc breviora nunc longiora; cupula circ. tarn longa quam 

 lata V. paullo latior, Flores 1-4 typice umbellati; involucra minima, 

 Bub anthesi, saepe etiam sub fructu persistentia, foliis parvis herbaceis 

 easdem superantibus rarissimis; petala haud emarginata. Ovarium glabrum 

 V. rarissime apice parce pilosum. (America borealis, Asia centralis et ori- 

 entalis, Himalaya.) Sect 1. SPIRAEOPSIS. 



Folia basi usque ad tertiam partem v. ultra medium Integra, superne brevia- 

 sime V. minutim subremote arguto-serrulata ; petioli 2-11 mm. longi. 

 Stylus glaberrimus. Drupa nigra. Plantae glaberrimae ramis nee virgatia 

 nee gracillimis. (America borealis.) . . Subsect. 1. MYRICOCERASUS. 



Folia inde a basi dense simpliciter v. duplicato-crenata v. -serrata, dentibua 

 obtusis v. acutis; petioli 2-6, raro ad 9 mm. longi. Stylus nunc glaber 

 nunc baai pilosus. Drupa rubra. Plantae ramis virgatis v. gracillimis. 

 (Himalaya, Tibet, China ad Mandschuriam, Japonia.) 



Subsect. 2. SPIRAEOCERASUS. 

 Sepala erecta v. erecto-patula v. raro patentia, cupula multo, rarius paullo breviora, 



raro sublongiora, cupula manifeste tubulosa, v. raro tam longa quam lata 



tunc simul ovarium saltern apice denaissime hirtum. Flores l-2m, pedicelli 



