6 yo UMBELLIFERAE 



6. Peucedaneae (lat. ribs much broader, forming wings; seed 



narrow in section) : Angelica, Ferula, Peucedanum, Pas- 

 tinaca. 



K. Lat. ridges equal or larger than primary; vittae in furrows or 

 under secondary ridges. 



7. Laserpitieae (secondary ridges very marked, often extended 



into broad undivided or wavy wings) : Laserpitium, 

 Thapsia. 



8. Dauceae (ribs with spines) : Daucus. 



Umbelliflorae. The 3Oth order (EP.) of Archichlamydeae ; the 23rd 

 (Warming) of Choripetalae. 



Umbellularia Nutt. Lauraceae (i). i Calif., U. californica Nutt., the 

 California olive, with useful timber. 



Umbilicate, peltate, or depressed in centre. 



Umbilicus DC. (Cotyledon p.p.). Crassulaceae. 10 Medit. 



Umbonate, with central boss. 



Umbraculiferous, like an expanded umbrella. 



Umbrella fir, Sdadopitys ; -grass (Am.), Fuirena; -leaf (Am.), Di- 



phylleia; -tree, Acatia, Magnolia. 

 "Umbrinus (Lat.), umber-coloured. 



Umbrosus (Lat.), of shady places. 



Umtiza Sim. Leguminosae (n. 3). i S. Afr. 



Unamia Greene (Aster p.p.). Compositae (3). 4 mid all. U.S. 



Uncaria Schreb. (Onrouparia Aubl.). Rubiaceae (i. 6). 35 trop. They 

 climb by hooks, which are metam. infl.-axes, and sensitive to con- 

 tinued contact ; after clasping they enlarge and become woody. U. 

 Gambier Roxb. (gambir; Straits Sett.) is a valuable source of tan. 



Uncarina Stapf (Harpagophytum p.p.)- Pedaliaceae. 5 Madag. 



Uncariopsis Karst. (Schradera p.p. EP.}. Kubi. (i. 6). i Columbia. 



Uncasia Greene (Eupatorium p.p.). Compositae (2). 30 N. Am. 



Uncate, uncinate, hooked. 



Uncifera Lindl. Orchidaceae (n. 20). 2 Khasias. 



Uncinia Pers. Cyperaceae (m). 30 %, Mexico, W.I. The axis of 

 origin of the fl. projects beyond the utricle in the form of a long hook, 

 serving as a means of dispersal for the fr. 



Undershrub, a low-growing woody plant, e.g. Calluna. 



Undulate, wavy. 



Ungeria Schott et Endl. Sterculiaceae. r E. Austr., Norfolk I. 



Ungernia Bunge. Amaryllidaceae (i). i Persia. 



Ungnadia Endl. Sapindaceae (n). i Texas, Mexico (Mex. buckeye). 



Unguiculate, ungulate, clawed. 



Uni- (Lat. pref.), one; -corn plant (Am.), Martyitia; -foliolate, with 

 one leaflet, Herberts, Citrus; -lateral, -locular, &c. ; -parous, mono- 

 chasial ; -sexual (fl.), with sta. or cpls. 



Unifolium Hall (Maianthemum Weber). Liliaceae (vn). 10 N. Am. 



Uniola L. Gramineae (10). 5 Am. Useful pasture. Cult. orn. 



Unisexuales (BH.). The ;th series of Incompletae. 



Unona L. f. Anonaceae (i). 50 trop., As., Afr., some climbing by 

 recurved hooks which are infl.-axes. Fr. an aggregate of stalked 

 berries, constricted between the seeds like a lomentum. 



Unonopsis R. E. r\zs'(Trigyneia p.p. ). Anon. (i). 10 Mex., trop. Am. 



