58 



like the stem with glandular hairs, also glandular 

 and pubescent along the veins beneath, which grad- 

 ually diverge around the hollowed tubular centre of 

 the lamina, glabrous above, somewhat membranous. 



Dr. K. exhibited specimens and a drawing of a new 

 species of Ceanotkus, from Placerville. 



C. diversifolius— Kellogg. Branches, both old and 

 young, peduncles, petioles and leaves, densely villous; 

 lateral branches divaricate, slightly nodding. Leaves 

 oblong-ovate or elliptical-ovate, obtuse, or sub acute, 

 3-nerved, in most of the young leaves the lateral 

 nerves are obscure, lamina thin membranous, dense- 

 ly villous, bluish green and slightly glabrous beneath, 

 shorter villous pubescent above, not shining, retuse- 

 mucronate-dentate, teeth somewhat cuspidate, gland- 

 ular, petioles about £ the length of the leaf. Flowers 

 inloug axillary, simple racemes, somewhat pendant, 

 flowers mostly crowded into a corymbose cluster at 

 the extremity on pedicels of £ to | of an inch long, 

 colored racemes 2 to 3 inches long, scarcely leafy at 

 the base, although a few scales are observed, and oc- 

 casionally a very minute leaf; flower buds covered 

 with small pubescent bracts, at length deciduous- 

 calyx more infolded, and less cowled than usual in 

 this genus, giving the flower an angular or ribbed 

 appearance, style exserted, united to the top, stig- 

 ma barely divided, branches green, colored on the 

 sunny side, and studded with small flat glandular 

 warts. 



Dr. K. also exhibited a drawing and specimen 



of au (Eaothera, or Cupid's Primrose, supposed to be 



new. 



<E arcuata. — Kellogg. 



The lobes of (he stigma linear yellow, capsule elon- 

 gated, attenuate at the base, slightly pubescent, seeds 

 ascending in a single series, flowers large. 



Stem annual, terete, glabrous and shining tender 

 fleshy branchlets, somewhat woody at the base, flesh 

 colored and red, branched above, recurve-nodding 

 or tortuously curved, circinal ? leaves linear-lanceo- 

 late, narrowed at the base, nearly sessile, condu- 

 plicately closed, arched or ascending, twisted and 

 curved in large and graceful bows or circles, acute 

 or subulate, entire, minutely pubescent above and 

 below, tender fleshy, obscurely 3-nerved ; flowers 

 axillary, flesh-colored turning to rose-color, anthers 

 lilac-colored, longer than the somewhat compressed 

 filament, erect, fixed by the base, apex mucronate, 

 point expanded or glandular, recurved, white; 

 stamens opposite the petals shortest ; alternate lon- 

 ger stamens % the length of the fau-shaped- 

 crenulate petals ; style red, shorter than the p 

 stigmas stigmatose ; flowers with 8 cuneiform lines 

 of red at the base within the funnel-form calyx. 

 tube V 3 the length of the sepals 4-nerved ami 

 grooved; segments % the length of the capsule, 3 

 nerved, lance-pointed, carinate, ovary cylindric, 8- 

 grooved, attenuate at each end, densely minute pu- 

 bescent, as is also the calyx, sessile; •i-m itved, an 

 inch or so in length, or } 3 longer than the sepals. 



For the above specimens, tarnished by Mr. K. 

 W. Garvett, the Academy return their thanks. 



Dr. Wm. O. Ayres presented the following descrip- 

 tion with the specimen : 



CEBimciiTirTS Crista-oam.i. — Ayres. 



Form much elongated, rounded anteriorly, then 

 compressed, becoming much flattened near the tail. 



Depth contained a little more than six times in the 

 total length. 



Head rounded, with the cheeks arched, and muzzle 

 very blunt. Top of the head provided with a thick 

 fleshy crest, which rises abruptly immediately behind 

 the upper jaw, and terminates as abruptly at the oc- 

 ciput ; it is highest post riorly, its height there be- 

 ing nearly double the diameter of the eye. This 

 crest consists mainly of adipose tissue, though it is 

 partially supported by an osseous occipital ridge. — 

 The breadth of its base is about equal to its height 

 anteriorly, narrowing to a thin edge at its dorsal 

 outline, which is nearly straight. From the occiput 

 the back rises at once to about the height of the crest, 

 curving thence gently to the tail. 



Eyes nearly circular, prominent, on the upper sur- 

 face of the head, so that as the profile slopes down- 

 ward they look upward and forward, giving a most 

 singular monkey like expression to the face. They 

 are separated from each other by a space equal to 

 their own diameter, and from the anterior border of 

 the upper jaw, by twice that space ; their diameter 

 is a little less than one twelfth the length of the head. 

 The length of the head is not quite one seventh of 

 the total length. 



Opercular bones entirely destitute of spinous pro- 

 cesses, concealed in the thick, loose integuments. 



Lips very thick and fleshy. 



Teeth fine, somewhat crowded, nearly even in both 

 jaws ; those of the lower jaw a little the largest. A 

 small patch on the vomer, and a band of very fine 

 ones along each palatine. 



J\'oslrils small, near the base of the crest, less than 

 half the distance from the eye to the snout. 



A row of pores, commencing back of the angle of 

 the mouth, follows the preopcrcular border, turns 

 backward above the top of the operculum, and meet- 

 ing there another row which has been formed by two 

 — one from the occiput and one from the angle of the 

 eye — the two constitute the lateral line, which at 

 first ascending till near the dorsal tin, follows then 

 the curve of the back, and terminates abruptly a 

 short distance before reaching the caudal fin. This 

 lateral line consists, in almost its whole length, of 

 two irregular parallel rows of pores all communica- 

 ting with one main tube. 



Scales small, oval, soft, imbedded, covering the 

 body (but not the head), and ascending partially the 

 fins. The whole fish is coated with a thick mucous 

 secretion. 



Dorsal, anal, and caudal fins united. 



The dorsal fin, arising a short distance from the 

 occiput, extends to the caudal fin. The rays of the 

 anterior portion are simple, feebly spinous ; those of 

 the posterior, articulated, branched. The lin is at 

 first low, becoming then higher, and again diminish; 

 ing, till it rises Bomewhat abruptly ai theci iiimencc- 

 ment of the articulated portion, maintaining tl 

 a nearly even height throughout : this greatest height 

 is a little more than one third of the length of the 

 head. The last ray is connected fully by membrane 

 with the caudal, though leaving an emargination be- 

 tween the two tins. 



The anal fin, arising a little nearer to the tip of 

 the snout than tO the base Of the caudal, is Of nearly 

 uniform height throughout, being lower than the suit 

 portion of the dorsal. The rays articulated and 

 branched. Its union to the caudal is like that of the 

 dorsal. 



The caiida/ is rounded, its height a little gr> 

 than the greatest height of the dorsal. 



The pectorals are rounded, equalling the caudal in 

 height, the length of their base being scarcely half 

 their height. 



