ROSACE AE . — PRUNUS 233 



Subscct. 9. CONRADINIA, p. 252. 



Stylus inferne hirsutus; cupula sepalaque extus minutim pubeacentia. 



P. Sprengeri. 

 Stylus glaber. 



Pedicelli, cupula sepalaque glabra. Rami hornotini petiolique glabri. 



Petala 10-12 mm. longa, emarginato-biloba P. Conradinae. 



Petala 9.5 mm. longa, acutissima P. Helcnae. 



Pedicelli, cupula sepalaque pilosa. Rami hornotini petiolique pilosi. 



Rami vetustiores nigrofusci. Pedicelli 7 mm. longi, sepala 3.5 mm. longa, sub- 



retusa; petala 12-13 mm., stamina (39) ad 9 mm. longa. ... P. saltuum. 



Rami vetustiores pallide ochracei. Pedicelli 7-17 mm. longi; sepala 3 mm. longa, 



acuta; petala 8.5 mm.; stamina (49) ad 7 mm. longa. ... P. pauciflora. 



Subsect. 10. SERRULA, p. 252. 



Folia late elliptica (8-12:3.2-4.8 cm.) petiolis 12-20 mm. longis. Ramuli novelli 

 glabri. Pedicelli 7-27 mm. longi; cupula 9-10 mm., sepala 4-5.5 mm. longa, 

 integra; petala 15 mm. longa, Integra v. vix emarginata; stamina 32-34, ad 10 

 V. 12 mm. longa; stylus glaber P. majestica. 



Folia lanceolata (3.5-10:0.7-2.5 cm.), petiolis 5-14 mm. longis. Ramuli novelli 

 tenere pubescentes. Pedicelli 5-14 mm. longi; cupula 8-9 mm., sepala 3 mm. 

 longa minutim glanduloso-denticulata; petala 8.5 mm. longa, integra v. subtricus- 

 pidata; stamina 44, ad 10 mm. longa; stylus inferne pubescens. . . P. serrula. 



Subsect. 11. PUDDUM, p. 253. 



Glaberrima, exceptis foliis initio subtus in nervis pilis paucissimis teneris con- 

 epersis. Petioli 7-8 mm. longi eglanduloai; lamina elliptica v. ovato- v. lanceolato- 

 elliptica, inaequaliter argute serrata dentibus subincurvis, glandula minima ter- 

 minatis, nervis utrinsecus circiter 8-9. Involucra ad 15 mm. longa. Umbellae 

 subsessiles 1-3-florae; pedicelli 6-15 mm. longi. Flores subcoaetanei foliis simul 

 2.5-4 cm. longis; cupula 6.5-9 mm. longa campanulata v. campanulato-tubulosa; 

 sepala 4-5 mm. longa, obtusa; petala campanulato-conniventia, 10-11 mm. longa, 

 rosea; stamina circ. 25, petalis subaequilonga, ad 8.5 v. 10.5 mm. longa; stylus 

 glaber. Drupa conica, 16 mm. longa, 11 mm. diam., rubra; putamen conico- 

 ellipticum circ. 12 mm. longum 8 mm. latum, foveolatum. ... P. campanulata. 



Subsect. 12. MICROCALYMMA, p. 254. 



Gemmae pilosae. Petioli 9-16 mm. longi, plus minus pilosi; glandulae rarae, 

 laminae basi, rarius petioli apici insertae; lamina oblonga, obovato-oblonga, obo- 

 vato-lanceolata v. late elliptica, acuminata, breviter argute simpliciter serrata, 

 subtus in costa nervisque, in innovationum foliis etiam in facie dense accumbenti- 

 pilosa, nervis utrinsecus 9-14(-17) approximatis parallelis rectis. Involucra 7 

 mm. longa; pedunculus 2-5 mm. longus; flores (l-)2-4 umbcllati, subpraecoces, 

 foliis simul 1.5-3 cm. longis; bracteae saepe caducae; pedicelli 13-26 mm. longi, 

 dense villosi; cupula 5-7 mm. longa, tubulosa v. suburceolata, dense villosa; 

 sepala oblonga 3-4 mm. longa, frequenter argute serrulata, extus dense pilosa; 

 petala rotundata v. rotundato-ovalia, 9.5-13 mm. longa, 6-9 mm. lata, biloba; 

 stamina 13-24, petalis breviora, ad 4.5-7 mm. longa; stylus inferne dense villosus. 

 Drupa nigra, putamen obsolete sulcatum P. Herincqiana. 



