450 PROCEEDINGS OF THE ACADEMY OF 



base of the pedicels are numerous long linear bracts or stipules, some of which 

 are also at the foot stalks of the leaves, and coated with long stellate hairs. 

 Stipules about J an inch long. 



Elidurandia, Gen. nov. Mai/vacearum. 



Involucellum polyphyllum, persistens ; stigmata 5-capitata ; capsula 5-locu- 

 lare ; carpellis unilocularis verticellater 2-spermis. 



Calyx five-parted involucellate, with 8-10 long spathulate and persistent 

 bracts ; petalis 5 obovate, hypogynous, convolute in aestivation ; stamens nu- 

 merous, monadelphous at the summit of an urceolate column ; filaments short ; 

 anthers reniform, ovules ascending peritropous, micropyles inferior. Fruit an 

 oblong, depressed capsule, subobtusely pointed, and included in the involucre ; 

 valves alternate with the sepals ; dissepiments attached to the middle of the 

 valves ; seeds 2 in each cell, ascending, united and truncate at points of 

 union ; subovate ; testa coriaceous, rough and woolly ; embryo small ; in- 

 curved in the fleshy albumen ; radicle inferior. 



Elidurandia Texan a. Herbaceous, foliis ovatis, petiolatis, integris, re- 

 pando-dentatis ; dentibus mucronatis ; floribus longe pedunculatis ; corolla 

 ampla coccinea. 



Plant one to two feet high, branching from the root ; outer branches pro- 

 cumbent ; leaves 1-1 J inches long; petioles \ inch long, and peduncles 1-3 

 inches in length, one-flowered. 



On the banks of the Colorado River, above Austin. Flowers May and June. 



In honor of the well known botanist, Elias Durand, author of several papers 

 on American botany. 



LlNACE^). 



Linum (Linopsis) San-Sabeanu m,' s. nov. Annuum, humile. Ramis 

 numerosis gracilibus, teretis, foliis parvis, linearibus, calycis 2-4 stipularibus, 

 linearibus; ramis, foliisque calycis, canescenti-pilosis; floribus parvis, pluri- 

 mis, pedicellatis, capsulae parvae, depresso-globosae, semiseptis. 

 Prairies San Saba County. 



6-8 inches high, with many slender branches from near the root. Leaves 

 -J an inch long and scarce a line wide, not subulate or rigid, pedicels 4 lines 

 long. 



Rutace^e. 



Zanthoxylum hirsutum, s. nov. Arbor. Ramis junioribus et petiolis, 

 armatisque valde hirsutis, foliis pinnatis 2-3 jugis, foliolis ovato-lanceolatis, 

 crenatis, obtusis, floribus breviter paniculatis axillaribus, seu terminalibus, 

 carpellis subcordatis, 1-2 spermis, spermi subovatis. 



Near Corpus Christi. 



Tree about 25 feet high and 8-12 inches in diameter. Branches armed with 

 stout recurved prickles. Leaflets opposite or subalternate. Trunk and old 

 branches gray and smooth. 



VlTACEiE. 



Ampelopsis (Cissus) heptaphylla, s. n. Foliis petiolatis, palmato 

 7-foliatis ; foliolis pumilis ovato-lanceolatis sessilibus vel breviter petiolatis, 

 apice mucronato-dentatis, acuminatis, paniculis ramis dichotomo-divaricatis, 

 longe pedunculatis ; floribus parvis, petalis distinctis, oblongo-lanceolatis, 

 subobtusis, staminibus exsertis. Stylo longissimo, baccis rotundis 3-4 

 spermis. 



Common on the mountains in Burnet and San Saba Counties, climbing some- 

 times to the height of 25-30 feet. 



Yitis monticola, s. nov. Ramis decumbentibus 4-6 pedali. Foliis 



[Dec. 



