1923] SCHNEIDER, NOTES ON HYBRID BERBERIS 217 



B. canadensis Guimpel, Otto et Hayne, Abb. Fremd. Holzart. I. 79, t. 63 

 (1819-1825), non Miller. 



B. spathulata Schrader in Linnaea, xn. 376 (1838).— Schneider in Mitt. 



Deutsch. Dendr. Ges. xv. 179 (1907). 

 ? B. laxa Rafinesque, Sylva Tellur. 68 (1838). 



B. (vulgaris) spathulata Gordon in Gard. Mag. n. s. vi. (xvi.) 2 (1840). 

 B. aristata var. sinensis Koch, Hort. Dendr. 18 (1853). 

 B. Guimpeli Koch et Bouche, Ind. PI. Hort. Berol. 1854, App. 13. 

 B. intermedia Koch, Dendrol. i. 404 (1869). 

 B. serotina Lange, Ind. Sem. Hort. Bot. Haun. 1872, adnot. p. 5; in Bot. 



Tidskr. ser. 3, n. 138, t. 4 (1879). 



Frutex erectus, dense elongato-ramosus, circiter 1.5-2, interdum ad 3 m. 

 altus, ramis apice deflexis vel nutantibus, stolonibus subterraneis; ramuli 

 annotini rubro-brunnei, purpurascentes vel fusco-purpurei, saepe nitidi, 

 distincte sulcato-angulati, biennes similes vel ut vetustiores cinerascentes; 

 internodia 1.5-2 cm. longa; spinae ramulorum fertilium simplices vel 

 3-fidae, interdum valde reductae, flavo-brunneae vel purpurascentes, 

 mediae 0.5-1.8 cm. longae, subtus planae vel sulcatae, surculorum nondum 

 visae. Folia ad 8-fasciculata, inaequalia, matura papyracea sed firma, 

 ramulorum fertilium oblanceolata, spathulata, obovato-lanceolata, anguste 

 ovali-oblonga vel elliptico-oblonga, apice acuta vel subobtusa, mucro- 

 nulata, basim versus sensim in petiolum 1-8 mm. longum attenuata, mar- 

 gine integerrima vel utrinque dentibus 1-5 serrulato-dentata, 1.6-4 cm. 

 longa et 0.5-1 vel 1.3 cm. lata, superne laete viridia, nitentia, subtus 

 pallide viridia, utraque pagina (in vivo minus distincte) laxe elevato- 

 reticulata, (margines cellularum epidermidis utriusque faciei fere aequi- 

 magnarum superne rectae vel vix undulatae subtus pleraeque levissime 

 undulatae); folia ramulos novellos fulcientia surculorumque aliis similia 

 vel satis late elliptica, ad 4.5 cm. petiolo ad 1 cm. longo excluso longa et 

 ad 1.8 vel 2 cm. lata, saepius serrulata dentibus utrinque ad 12 subpatenti- 

 bus. Inflorescentiae racemosae (apice ramulorum interdum abbreviatae 

 depauperatae) breviter pedunculatae vel saepius pedunculo nudo interdum 

 ad 3 cm. longo instructae, ad 7 cm. longae, 10-20-florae; pedicelli interdum 

 ex parte verticillati, graciles, fructiferi (6-) 7-15 mm. longi, saepe rube- 

 scentes, bracteis lanceolatis acuminatis 2-4 mm. longis suffulti; flores 

 mediocres, 6-8 mm. diametientes, citrini vel lutei; sepala externa prophyl- 

 liformia anguste vel late triangularia, saepe rubescentia, sepalis mediis 

 ovatis vel late ovato-ellipticis obtusis circiter 3-3.5 mm. longis sub duplo 

 minora, interna late obovata, 4-5.5 mm. longa; petala 4-5 m. longa, obo- 

 vato-oblonga, apice emarginata, basi pleraque breviter unguiculata, 

 glandulis 2 oblongis aurantiacis separatis praedita; stamina petalis ^ 

 breviora, apice truncata vel levissime repando-apiculata, ovarium anguste 

 ellipticum, stigmate lato brevi, ovulis 1-2 sessilibus instructum. Fructus 

 elliptic] vel anguste elliptic!, 9-10(-ll) : 4-5 mm. magni, maturi cerasini 

 vel atropurpurei, partim pruinosi; semen j)lerumque 1 (interdum 2), 



initio ut videtur flavo-brunneum, deinde brunneo-purpureum, minutissime 

 corrugatum. 



