152 



cularis exaucca coriicala monospora. Infloresc, racemus 

 5-angularis, flores semper 2, petal is ere c lis cnjuslibet floris 

 dorsis contingentibus , in pericarpio unico el drupa nihilo- 

 minus monospora! Involucr. 1-phyll. Ialeralc. M&rem- 



" " " ~ ';v. Semina ro- 



lacearum. Tri- 

 apice mitrae- 

 formibus.' Pet. obovata basi glanduloso-pilosa. Stam. 32. 

 Gland. 5 squamiformes sessiles hypogynae. Stigma cla- 

 vatum integrum. Drupa globosa corticosa undique echi- 

 nata, aculeis pilosis rectis nee uncinatis, 41ocul., loculis 

 2-spermis. tlrtica ruderalis Forst. Fl. monoici. d": 

 Perianth. 4 part. Stam. 4. Vestigium germinis in eentro 

 couicum, «x filis compositum, breve, inane, supra excava- 

 tum. Fl. 2: Perianth, bipartilum compressum, apice ha- 

 maio reflexo. Stigm. bipartil. in hamo sessile, lacin* cy- 

 lindricis undique glanduloso-ciliatis, in germen utrinque 

 reflexis. Sem. basi perianlbio immutalo inclusum, ovatum 

 compressum, apice hamatum . Squama ovata in basi rje- 

 rianthii. XJrtica nivea L. Fl. dioici. cf: Perianth. 4-iid. 

 Stam. 4. Vestig. germinis 4-angulare, conicnin, e filis 

 compositum inane. Fl. 2: Perianth. 0. Germina plura 

 aggregata in receptaculo communi orhiculato sessilia, quod- 

 libetgermen quadrangulare , conieum, 1-spermum, semine 

 ut videtur rotimdato. Slyl 1 centralis, germine quadru- 

 plo longior filiformis, undique glanduIosowciliaUis, ut lotus 

 melius pro sligmate habendus. Squama maxima post an- 

 thesin capitulum germimim ineludcus, late ovata acuta 

 excavata mullicarinata, saepc Ioiigiludmaliler rumpens. 

 Thuarea involucrata (Isehaemuin "iuv. Forst.) FL poly- 

 garni monoici; spica secunda; spiculis 4 — 5 bifloris, 

 fior. sessil. Rachis late concava flores inferiores involvens. 

 Spicula infima gluma bivalvi, valv. ovafis concavis acutis 

 pilosis exteriori 5-nervi, basi bractea minima membranacca 

 iineari laterali munitis. Flos valvula exteriori glumae 

 inclusus (respectu racheos vero internus) £, perianth, bi- 

 valvi, valv. membranaceis, exter. navicular!, inter, plana 

 angustiori. Stam. 3. Slyli 2, stig. plumosa. Squamae 

 2 hypogynae apice emarginatae. Flos alter vavula inte- 

 riori inclusus cT, perianth. 1-valvi, valv. angusta membra- 

 nacca, apice emarginata, Stam. 3. Squamae hypog. 0. 

 Spiculae ceterae superiores gluma bivalvi, valv. exteriori 

 altera dimidio bveviori, acuminata, interior! majori ovata 



