ULMUS 667 



closed in a number of hairs: similarly enclosed, of i cpl. with 

 i pend. ov., micropyle towards the base or ventral side of the ovary. 

 Fl. anemoph. Achenes covered by the long downy hairs mentioned, 

 which aid in distr. Seed album.; embryo straight. 



Typhaceae (EP.\ BH. inch Sparganiaceae). Monocots. (Pandanales ; 

 Nudiflorae BH.}. Only genus Typha (q.v.}. 



Typhonium Schott. Araceae (vn). 15 Indomal. 



Typhonodorum Schott. Araceae (v). "2 Madag. 



Tyrimnus Cass. Compositae (u). i W. As., S. Eur. 



Tysonia Bolus. Boraginaceae (iv. i). i S.E. Afr. 



Tysonia F. Muell. (Neotysonia Dalla Torre et Harms). Comp. (4). 

 i Austr. 



Tzellemtinia Chiov. Rhamnaceae. i E. trop. Afr. 



Uapaca Baill. Euphorbiaceae (A. I. i). 13 trop. Afr., Madag. 



Ubochea Baill. Verbenaceae (i). i Cape Verde Is. 



Ucria Targ. Inc. sed. Nomen lapsum. Cf. Index Kewensis. 



Ucriana Spreng. (Augusta Pohl). Rubiaceae (i. 3). i E. Brazil. 



Udora Nutt =Elodea Michx. (Hydrochar.). 



Uebelinia Hochst. Caryophyllaceae (n. i). 2 E. Afr. 



Uechtritzia Freyn. Compositae (12). i Armenia. 



Ugni Turcz. (Myrtzis p.p. BH.}. Myrtaceae (i). u Andes, Mexico. 

 Ed. fr. 



Ule, Castilloa. 



Uleanthus Harms. Leguminosae (ill. i). r Amazon valley. 



Ulearum Engl. Araceae (vn). i Upper Amazon valley. 



Uleophytum Hieron. Compositae (2). i Peru. Climber. 



Ulex L. Leguminosae (in. 3). 20 W. Eur., N. Afr. ; 3 in Brit., U. 

 europaeus L., U. munis Forst. and U. Gallii Planch., the gorse, furze, 

 or whin, covering large areas, esp. on heaths. The 1. are reduced in 

 size, and many branches reduced to green spines (xerophytism). The 

 fls. explode like Genista, and the fr. explodes by the twisting up of 

 its valves in dry air. The seeds in germination show interesting tran- 

 sition-stages from the usual compound I. seen in the order to the 

 needle-1. of the mature pi. (cf. Acacia). 



Uliginosus (Lat), growing in swamps. 



Ullucus Caldas. Basellaceae. i Andes, U. tuberosus Caldas. Lat. 

 branches of the rhiz. swell into tubers like potatoes, and are used as food. 



Ulmaceae (/>.;. Urticaceae p.p. BH.}. Dicots. (Archichl. Urticales). 

 r 3 g en -> J 3. s P-> tr P- an d temp. Trees with sympodial stems, bearing 

 2-ranked simple often asymmetrical 1 with stips. Fls. usu. in cymose 

 clusters, generally unisexual. P 4 5, free or united, sepaloid,' theo- 

 retically belonging to two whorls; A 4 5, opp. the perianth-1., in 

 two whorls; G rudimentary in i fl., in the ? of (2) cpls., sometimes 

 2-loc. but usu. i-loc., the second loc. aborting; ov. i per loc. , anatr. 

 or amphitr., pend., style linear or bifid. Nut, samara or drupe. Seed 

 usu. with no endosp. The wood of many is useful. Chief genera: 

 Ulmus, Celtis. 



Ulmaria (Tourn.) Hill (Spiraea p.p. BH.). Rosaceae (in. 4 ). 10 N. 

 temp. U. palustris Moench (Spiraea Ulmaria, meadow-sweet) and 

 U. Filipendiila Hill (S. Filipendula, dropwort) in Brit. 



Ulmus (Tourn.) L. Ulmaceae. 18 N. temp, and Mts. of trop. Asia. 



