158 TREES AND SHRUBS. 



flowered sessile umbels ; calyx broadly obconie, villose, the lobes narrowed and rounded at the apex, glandular and ciliate 

 margins, villose on the outer surface, slightly hairy on the inner surface, spreading after anthesis ; petals nearly orbii.,,1 ^ ** 

 at the apex, narrowed below into a short slender claw ; anthers yellow. Fruit on slender glabrous pedicels, J^hb^T^ 

 slightly longer than broad, crimson covered with a glaucous bloom, about 1.5 centimetres in diameter, with thin hard skinT^-' 

 acrid flesh ; stone oval to nearly orbicular, more or less flattened, narrowed and rounded at the base, short-pointed at th 

 nearly symmetrical on the two edges or sometimes fuller on the dorsal edge compressed into a wide thin ridge, rounded 1^ 

 slightly grooved on the ventral suture, about 1 centimetre long and from 7 to 8 millimetres broad. Md ^ 



A shrub, from 1 to 2 metres high, with small, dark red-brown stems spreading into wide dense thickets, slender branchlet, r 1 

 red-brown and pubescent or puberulous in their first season and dull red-brown and glabrous the following year and oft f 

 with short spreading spurlike lateral branchlets. Flowers the end of March. Fruit ripens about the middle of June"" ^^ 



Roadsides and fields near Denison, Grayson County, Texas, not common, T. V. Munson, March 13, May 22 and T 

 1910, T. V. Munson and C. S. Sargent, March 20 and 21, 1910 (No. 2 type) (in herb. Arnold Arboretum). 1 



This species and the next are known in Texas as Hog Plums on account of their bitter fruit, in distinction to thp fV t 

 Plums, which produce edible fruits. n ^°n to the Chickasaw 



Prunus (Prunophora) Reverchonii, n. sp. 



Leaves lanceolate, gradually narrowed and long-acuminate at the apex, rounded and sometimes glandular at the base and finely 

 often doubly crenulate-serrate, with apiculate teeth ; when they unfold slightly hairy above and coated below with lone matted J 

 hairs, and at maturity thin yellow-green, glabrous with the exception of small axillary tufts of pubescence, from 4 5 to 8 centime^ 

 long and from 2 to 2.5 centimetres wide, with slender midribs and primary veins connected by thin reticulate cross veinlets • petiol ' 

 slender, pubescent when they first appear, soon becoming glabrous, glandular near the apex, from 1 to 1.4 centimetres in jLtt" 

 stipules linear glandular serrate, about 1 centimetre long, caducous. Flowers appearing with the leaves, about 1.2 centime^' 

 diameter, on slender glabrous pedicels from 6 to 8 millimetres in length, in sessile mostly three- or four-flowered umbels ; calyx-tabe 

 narrowly obconie, glabrous, the lobes narrow, acuminate, glandular on the margins, slightly pubescent on the outer surface villose 

 pubescent on the inner surface, reflexed after anthesis; petals white, oblong-obovate, rounded at the apex, gradually narrowed 

 below into a long claw ; stamens twenty to twenty-five, about as long as the style ; anthers yellow. Fruit on short pedicels, sub- 

 globose, from 1.5 to 1.8 centimetres in diameter, red or amber color, with a thick skin and thin acid flesh ; stone oval, more or less 

 compressed, narrowed and rounded or pointed at the base, narrowed and usually abruptly short-pointed at the apex, nearly S y, 



metrical on the two edges, broadly ridged «- *«— ■>— — ' ~ J ~~ "- 1 J ■ 



metres long and from 6 to 7 millimetres 



sal edge, thin and barely gro 



brfnlt? r°,7 \ u g ' USUallj mUCh SmaUer ' With er6Ct 8temS 8 P readin S int ° 8raa11 thickets > <»"* lender glabrous 



b^nchethght orange-brown when they first appear, bright chestnut-brown and very lustrous and marked by small klar 



sninlZ H 1T S m? ^ Jear ' beCOming dul1 reddi8h br0WD the followin g 8eason > and occasionally furnished with short 

 spme cent lateral branchlets Flowers from the middle to the end of Mar,l, I Y,u, ,„,,„- ,„ J , and July. 



Texas T- hhl I f 6 t lta u b !i tWeen F ° rt C ° bb Snd F ° rt Arbuckle > E - Pal ™ r > 1868 (■" herl >- ^t. Mus teste W. F. W&). 

 lexas . on rich black soil near the borders of streams and swamps and on the orairies of nnrthnm nnd , P ntrsl T» ra * „»,. H™ 



910 } rls « TfJ it"?? P rl (N ° S - 4573 ' 4377 ' 4380) ' Dear Denis °"' Gra y-» Co ""ty, T. V Munson, May and June, 

 Dall Coinl « ' ^'J'J^Z' ^ * 191 ° (N °- ^ W ' R W »* Au ^ 6 - ^(Noa. 4553,46^6 

 2^ 2 ST. oak raff S " n n m J \f VerChm ' March and Apri1 ' 1880 V* «). March < A P ril and 0ctober > im ( Nos - 



iS^No \{ WFw' n ' S ' MatthewS ' S y^ T - V- Munson and C. S. Sargent, March 23, T. V. Munson, June 1, 



No A) W F w7nui Tf ^n 91 " (N °- ^ ' *"• EeaneWa *"* T ' V ' M »™ ^ <?• S. Sargent, March 23, 1910 

 WF iLww T a 4' m ?<?°- **»• " ear D ' llI -> T V ^~ a "<* C. S. Sargent, March 23, 1910 (No, 5, 8), 



1910 CNo 4589^ • „„, t . l VTV, '*"' Lam Pa«as County, T. V. Munson, Manh II, 1910, W. F. Wight, August 13, 



1910 No ^k;TlS7:;f Re 5 R ^ March i 5 a " d May 21, UttO ; K,, v,„,, K „ , j ,, MaCensen, March 23, 



S. H.Hastings, May 7 ',1910.' ' C ° Unty ' & Mack ™™> ^ ^ '»>«> (*»■ ■-') J near San Antonio, Bixar County, 



IhaveaLoctSSt^^ 



I take this opportun ty to exST 7v ^- wu'T "" ^ th6 ^^ Whidl ! have 8een " 

 who has careMl7investi^Tev er al of th Td S ? ^ ^ R Wight ° f ^ United StateS "V - ° f ^1 T 



is engaged in the prepara&n o fl T , , n W ° f the United State » with refer «" ce *» ^ eir cultivated varieties, and who 



and S cultivation ^IftTe l at T^f ° f PfUnUS ' 3nd *° Mr ' T ' V ' Mun80 "' auth " r <' f ™«y »«P° rtant works ° D ^ ^ 

 tion, the great help they have given me in this preliminary study of the Texas Plum™ 



Pkunus GEnjculata, Harper, Torreya, ii. 64 (1911). 



•Pe^^j^e^^^ 1 !? ° n Sh ° rt 8pUr,ike lateral branchlets, elliptical, rounded or acute and apiculate at the 

 eglandular, JLJZ^Z^^*™*™ { «™>"* «• one or on both sides with a large red gland, or occasion*^ 

 tnin, glabrous, light yellow-green and l^ous^ 



