Prunee.) LVIII. ROSACEJE. 611 
Species ad 10, Asiz tropicz, Ins, Malay. et uniea Afriez tropiesm orientalis incole. | Walp. Hep. 
jii. 8: 4nn.i. 271; iv. 641.  Colebr. in. Trans. Linn. Soc. Lond. xii. 360. 7.18. WigAt, 1e. 0. 993, 256 
ub Polydontia. 
Gznwan1A, Presl, Epim. Bot. 221, est species Pygei. DicasTER, Miquel, Fl. Ind. Bat. Suppl. 
329, est Pygei species ex auctore ipso l. c. 619. 
16. Prinsepia, Zyle, IJl. Pl. Himal. 200. t. 38. f. 1l.—Flores hermaphroditi. Calycis 
persistentis tubus .cyathiformis; lobi 5, inzequales, rotundati, imbricati. Petala 5, calycis 
fauci inserta, rotundata, breviter unguiculata. Stamina oo, cum petalis inserta, oo-se- 
riata, filamentis breviusculis; antherarum loculi discreti, ssepe insquales. Carpellum 1, 
sessile, in stylum subterminalem brevem attenuatum, stigmate capitato ; ovula 2, collate- 
raliter pendula.  Drupa obliqua, stylo basilari, calyce explanato suffulta, oblongo-cylin- 
dracea, pulposa, putamine coriaceo, l-sperma. Semen oblongo-cylindraceum, testa mem- 
branacea; cotyledones oleoss, plano-convexs; radicula infera.—Frutex ramosus, glaber- 
rimus v. ramulis ultimis foliisque junioribus pubescentibus, ramorum medulla intus locel- 
lata, ramulis spinescentibus. Folia decidua, lanceolata, serrulata.  Stipule minutse, de- 
ciduz. Racemi axillares, breves, pauciflori. Drups purpurez, majuscule». 
Species 1, mont. Himalay: et Khasic regionibus temperatis ineola. —Walp. Rep. ii. T. 
17. WNuttallia, Torr. et Gr. in Hook. Bot. Beech. Suppl. 330. t. 82.—Flores polygamo-dioici. 
Calyx deciduus, campanulatus, lobis 5 membranaceis triangulari-ovatis suberectis imbri- 
catis, Petala 5, oblonga, breviter unguiculata. Stamina 15, 2-seriata, lO superiora calyci 
inserta, D inferiora deflexa medio tubo inserta, filamentis brevibus subulatis liberis, Discus 
tubum calycis vestiens, Carpella 5, tubo calycis inserta, gibboso-obovoidea, basi contracta, 
libera, glabra ; styli breves, inclusi, basin versus articulati, stigmatibus dilatatis ; ovula 
prope apicem loeuli 2, collateraliter pendula. Drups 2-4, oblong:z, teretiuscule, car- 
nosm, stigmate versus apicem laterali, epicarpio pruinoso, endocarpio coriaeeo mono- 
spermo. Semina pendula, teretiuscula, testa membranacea; cotyledones convolut:z, 
carnoss.—.Arbor parva, odorem hydrocyanicum spirans. Folia decidua, petiolata, sim- 
plicia, obovato- v. lanceolato-oblonga, integerrima, membranacea.  Stipule 0. Racemi 
eum ramulis e gemma perulata collateraliter oriundi, laxi, pauciflori, nutantes. Flores ma- 
juseuli, albi ; bracteze et bracteole elongate, membranaces. 
Species 1, in America boreali-oecidentali a grad. bor. 35? ad 50? vigens. Wap. Rep. v. 659. 
Tarsus III. SrinxEx. 
18. Spirsea, Linn. Gen. n. 630.—Flores hermaphroditi v. polygamo-dioici. Calycis 
persistentis tubus urceolatus campanulatus v. concavus ; lobi 4-5, imbricati v. vaivati. 
Petala 4-5, ori calycis inserta, rotundata, breviter unguieulata. Stamina 20-60, calycis 
fauce l-2-ao-seriatim v. fascieulatim inserta, filamentis filiformibus liberis v. basi con- 
" matis; antherze didyms. Discus carnosus, glaber v. tomentosus, calycis tubo adnatus, 
margine libero v. obsoleto, nune glanduloso v. crenato. Carpella 5, rarius 1-4 v. plura, 
fundo calycis inserta, sessilia v. brevissime stipitata, libera v. basi connata; styli termi- 
nales v. subterminales, recti v. geniculati, stigmate capitellato v. disciformi ; ovula 92-oo, 
suturi ventrali 2-seriatim affixa, pendula, rarissime adscendentia. OCarpella matura mem- 
branacea v. coriacea, sutura ventrali v. ventrali et dorsali dehiscentia. Semina pendula, 
smepissime linearia, exalbuminosa, testa membranacea ; radicula supera.—Herb:e suffrutices 
v. frutices, Folia alterna, simplicia v. pinnata v. 2—3-ternata. Stipulw liberz v. petiolo 
basi vaginanti adnatz, rarius obsoletze, Flores axillares v. terminales, racemosi cymosi 
panieulati corymbosi v. secus ramulos graciles panicule ramose fasciculatim dispositi, 
albi v. rosei. 
Species ad 50, per regiones temperatas et subfrigidas hemisphrerii borealis late dispersse, in monti- 
bus tropieis rare. DC. Prod. ii. 641, ezcl. sect. i. Walp. Hep. ii. 49, 914; v. 657: Ann. i. 287 ; 
ii. 521; v. 666. Bot. Mag. t. 5161, 5164, 5169. Bot. Reg. t. 1365, 1840, £. 17, 1841, 7. 4. Jacquem. 
Voy. Bot. t. 5T.  H. B. et K. Nov. Gen. et Sp. vi. t. 562. 
EmroaxNiA, Hook. Fl. Bor. Ai. i. 265. t. 88. (LwxkrTKkA, Bongd. Veg. Sitch. im Mem. Acad, 
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